Publications 2015-2021

Accepted Referred Journal

  • Drbe, O.F., El Naggar, M.H. and Sadrekarimi, A. 2021. Effect of Negative Skin Friction on Abutment Piles Design, Journal of the Deep Foundation Institute, Accepted September 17.

  • Fayez, A., El Naggar, M.H., Cerato, A. and Elgamal, A. 2021.Assessment of SSI Effects on Stiffness of Single and Grouped Helical Piles in Dry Sand from Large Shake Table Tests. Bulletin of Earthquake Engineering, Accepted September 24.

  • Han, J., Guo, Z., El Naggar, M.H., Li, L., Shuai, Y. and Du, X. 2021. Seismic response of parallel double pipelines to longitudinal ground motions. ASCE Journal of Pipeline Systems - Engineering and Practice, Accepted September 8.

  • Ramadan, SH., El Naggar, MH, Drbe, O. and Embaby, K. 2021. Preliminary Analysis and Instrumentation of Large-Span Three-Sided Reinforced Concrete Culverts. Journal of Bridge Engineering, ASCE, Accepted.

  • Ramadan, S. and El Naggar, MH. 2021. Class-A prediction of three-sided reinforced concrete culverts and numerical investigation of the supporting strip footing geometry. Structure and Infrastructure Engineering, Accepted August 6.

  • Juntao Wu, J., El Naggar, M.H., Zhao, S., Wen, M. and WANG, K. 2021. Beam-unequal length piles-soil coupled vibrating system considering pile-soil-pile interaction. Journal of Bridge Engineering, ASCE, Accepted August 4.

  • Mansour, M.A. and El Naggar, M.H. 2021. Optimization of grouting method and axial performance of pressure grouted helical piles. Canadian Geotechnical Journal, Accepted July 29.

  • Wu, J., El Naggar, M.H., Ge, J., Wang, K. and Zhao, S. 2021. Multi-point travelling wave decomposition method and its application in extended pile shaft integrity test. ASCE geotechnical and Geoenvironmental Engineering, Accepted July 20.

  • Gao, Z., Zhao, M., Du, X., El Naggar, MH and Wang, J. 2021. Seismic performance of underground structures employing extended response spectrum method. Tunneling and Underground space Technology, accepted, July 1.

  • Heidari, M. and El Naggar, MH. 2021. Design guidelines for extended pile shaft incorporating nonlinear pile-soil interaction. Ocean Engineering, Accepted.

  • Wu, J., El Naggar, M.H. and Wang, K. 2021. Analytical model for laterally loaded soil-extended pile shaft applied to verifying the applicability of lateral PS method. ASCE geotechnical and Geoenvironmental Engineering, Accepted June 10.

  • Hussein, A.F. and El Naggar, M.H. 2021. Seismic axial behaviour of pile groups in non-liquefiable and liquefiable soils. Soil Dynamics and Earthquake Engineering, 149, DOI:106853.

  • Dou, P., Xu, C., Du, X., El Naggar, M.H. and Chen, S. 2021. Experimental study on seismic instability of pile-supported structure considering different ground conditions. Geotechnical and Geoenvironmental Engineering, ASCE, accepted June 10.

  • Embaby, K., El Naggar, M.H. and Elsharnouby, M. 2021. Response evaluation of large-span ultra-deep soil-steel bridges to truck loading. ASCE International Journal of Geomechanics. To appear.

  • Alkahtany, M. and El Naggar, M.H. 2021. Bearing capacity of power transmission tower footings near cohesionless slopes. Innovative Infrastructure. DOI:10.1007/s41062-021-00558-1.

  • Dai, D., El Naggar, MH, Wang, Z. and Zhang, N. 2021. Rigorous solution for kinematic response of floating piles to vertically propagating S-waves. Computers and Geotechnics. Vol. 137, doi.org/10.1016/j.compgeo.2021.104270.

  • Huang, Y., Gu, M. and El Naggar, M.H. 2021. Effect of soil-structure interaction on wind-induced responses of supertall buildings with large pile groups. Engineering Structures, Vol 243, DOI:10.1016/112557.

  • Abdelaziz, A.Y., El Naggar, M.H. and Ouda, M. 2021. Determination of depth-of-fixity point for laterally loaded vertical offshore piles: a new approach. Ocean Engineering, Vol. 232, https://doi.org/10.1016/j.oceaneng.2021.109113.

  • Ramadan, S. and El Naggar, MH. 2021. Structural Performance of a Medium-Span RC Three-Sided Culvert Based on Field Measurements and Numerical Analyses. Canadian Geotechnical Journal, DOI: 10.1139/cgj-2020-0574.

  • Karami Mohammadi, R., Zolfaghari, S. and El Naggar, MH. 2021. Performance based design using strength variation curves. Soil Dynamics and Earthquake Engineering, Vol. 148, DOI: 106748.

  • George, K, El Naggar, M.H., and Hrymak, A. 2021. A global model for high consistency wood pulp suspensions in co-rotating twin screw extruders. Industrial & Engineering Chemistry Research, accepted March 26.

  • Zhang, Y, Wu, WB, Jiang, G, Wen, M, Wang, KH, El Naggar, MH, Ni, P and Mei, G. 2021. A new approach for estimating the vertical elastic settlement of a single pile based on the fictitious soil pile model. Computers and Geotechnics, 134, doi:10.1016/j.compgeo.104100.

  • Alwalan, MF. and El Naggar, MH. 2021. Load-transfer mechanism of helical piles under compressive and impact loading. ASCE International Journal of Geomechanics, Doi.org/10.1061/(ASCE)GM.1943-5622.0002037.

  • Ramadan, S. and El Naggar., M.H. 2021. Field monitoring and numerical analysis of a large span three-sided reinforced concrete culvert. Geotechnical and Geoenvironmental Engineering, ASCE, https://doi.org/10.1061/(ASCE)GT.1943-5606.0002489.

  • Jiang, J., El Naggar, MH., Xu, C., Zhong, Z. and Du, X. 2021. Effect of ground motion characteristics on seismic fragility of subway station. Soil Dynamics and Earthquake Engineering. Vol. 143, DOI: 106618.

  • Abdlrahem, M. and El Naggar, M.H. 2021. Evaluation of axial performance of hollow bar micropiles constructed with different drill bit to hollow bar diameter ratio. Geotechnical and Geological Engineering. Vol. 39, pp.3669–3688; doi.org/10.1007/s10706-021-01718-x

  • Liu, X., El Naggar, M.H., Wang, K., Tu, Y. and Qui, X. 2021. Simplified model of defective pile-soil interaction considering three-dimensional effect and application to integrity testing. Computers and Geotechnics, Vol. 132, DOI: 103986.

  • Han, J., El Naggar, M.H., Zhao, M., Hou, B. and Du, X. (2021). Longitudinal response of buried pipeline under non-uniform seismic excitation from multi-point shaking table tests. Soil Dynamics and Earthquake Engineering, DOI.106440.

  • Ramadan, S. and El Naggar., M.H. (2021). Field monitoring and numerical analysis of a large span three-sided reinforced concrete culvert. Geotechnical and Geoenvironmental Engineering, ASCE, Accepted November 3.

  • Alhashmi, A., El Naggar, M.H. and Oudeh, F. (2021). Application of binomial system-based reliability in optimizing resistance factor calibration of redundant pile groups. Computers and Geotechnics. Accepted, September 27.

  • Fallah-Yeznabad, A., Molnar, S.E. and El Naggar, M.H. (2021). Probabilistic Solution for the Seismic Sliding Displacement of Slopes in Greater Vancouver. Soil Dynamics and Earthquake Engineering. Vol. 140, DOI:SoilDyn.2021.106393.

  • Alwalan, M.F. and El Naggar, M.H. (2020). Analytical models of impact force-time response generated from high strain dynamic load test on driven and helical piles. Computers and Geotechnics, Vol. 128, DOI:10.1016/j.compgeo.2020.103834.

  • Du, X., Jiang, J., El Naggar, M.H., Xu, C. and Xu, Z. (2020). Inter-story drift ratio associated with performance objectives for shallow-buried multi-story and span subway stations in inhomogeneous soil profiles. Earthquake Engineering and Structural Dynamics, https://doi.org/10.1002/eqe.3351.

  •  Sun, Y., Xu, C., Du, X., El Naggar, M.H., Zhang, X. and Jia, J. (2020). Nonlinear lateral response of large-diameter monopile in sand. Ocean Engineering, Vol 216. doi:10.1016/j.oceaneng.2020.108013.

  • Jiang, J. Xu, C., EI Naggar, M.H., Du, X., Xu, Z. and Assaf, J. 2021. Improved pushover method for seismic analysis of underground rectangular frame structure. Soil Dynamics and Earthquake Engineering, vol. 140 DOI.106363.

  • Jiang, J. Xu, C., EI Naggar, M.H., Du, X., Xu, Z. and Assaf, J. 2021. Improved pushover method for seismic analysis of underground rectangular frame structure. Soil Dynamics and Earthquake Engineering, vol. 140 DOI.106363.

  • Liu, X., EI Naggar, M.H., Wang, K. and Wu, W. 2020. Vertical response analysis at multi-points on defective pile in layered soil and its application. Soil Dynamics and Earthquake Engineering, Vol. 139, DOI: soildyn.2020.106358.

  • Han, J., El Naggar, M.H., Li, L., Hou, B., Du, X., Shuai, Y. And Li, L. 2020. Nonlinear soil response under non-uniform seismic excitation from multi-point shaking table tests. Soil Dynamics and Earthquake Engineering, Vol. 139, DOI: soildyn.2020.106342.

  • Liu, X., EI Naggar, M.H., Wang, K. and Wu, W. 2020. Theoretical analysis of three-dimensional effect in pile integrity test. Computers and Geotechnics, Vol 127, doi:10.1016/j.compgeo.2020.103765.

  • Zong, M., Wu, W. El Naggar, M. H., Mei, G., Ni, P. and Xu, M. 2020. Analytical solution for one-dimensional nonlinear consolidation of double-layered soil with improved continuous drainage boundary. European Journal of Environmental and Civil Engineering, DOI: 10.1080/19648189.2020.1813207.

  • Liu, H., Wu, W., Ni, X., Yang, X., Jiang, G., El Naggar, M.H. and Liang, R. 2020. Influence of soil mass on the vertical dynamic characteristics of pipe piles. Computers and Geotechnics, Vol. 126, DOI.2020.103730.

  • Xu, C., Dou, P., Du, X., El Naggar, M.H., Miyajuma, M. and Chen, s. 2020. Large shaking table tests of pile-supported structures in different ground conditions. Soil Dynamics and Earthquake Engineering. Vol. 139, DOI: soildyn.2020.106307.

  • Xu, C., Dou, P., Du, X., El Naggar, M.H., Miyajuma, M. and Chen, s. 2020. Seismic performance of pile group-structure system in liquefiable and non-liquefiable soil from large-scale shake table tests. Soil Dynamics and Earthquake Engineering. Vol 138, doi/10.1016/j.soildyn.2020.106299.

  • Touqan, MKH., Ahmed, A., El Naggar, M.H., Stark, T. 2020. Static and Cyclic Characterization of Fouled Railroad Sub-Ballast Layer Behaviour. Soil Dynamics and Earthquake Engineering, vol. 137, DOI:106293.

  • Shahbazi, M., Cerato, A., El Naggar, M. H., Elgamal, A. 2020. Evaluation of seismic soil-structure interaction of full-scale grouped helical piles in dense sand. ASCE International Journal of geomechanics, Vol. 20 (12). doi/abs/10.1061/(ASCE)GM.1943-5622.0001876.

  • Wu, J. El Naggar, M.H., Wang, K. and Liu, X. 2020. Analytical study of employing low-strain lateral pile integrity test on an extended pile shaft with pile defect. Journal of Engineering Mechanics, ASCE, Accepted May 11.

  • Alwalan, M.F. and El Naggar, M.H. 2020. Finite element analysis of helical piles subjected to axial impact loading. Computers and Geotechnics, Vol. 123, DOI 2020.103597.

  • George, K., Ahmad, A., El Naggar, M.H. and Hrymak, A. 2020. Material characterisation for natural fibres: compressibility, permeability and friction. Nordic Pulp & Paper Research Journal, doi.org/10.1515/npprj-2019-0084.

  • Liu, X., Wang, K. And El Naggar, M.H. 2020. Dynamic pile-side soil resistance during longtudinal vibration. Soil Dynamics and Earthquake Engineering, Vol 134, soildyn.2020106148.

  • Han, J., El Naggar, M.H., Li, L., Hou, B., Xu, J. and Du, X. 2020. Design and commissioning of continuous soil box supported on shake tables array for testing long geostructures. Soil Dynamics and Earthquake Engineering, Vol 132. DOI:10.1016/j.soildyn.2020.106107.

  • Zhou J J, Yu J L, Gong X N, Zhang R H, El Naggar M H, and Wang K H. 2020. The effect of cemented soil strength on the frictional capacity of precast concrete pile – cemented soil interface. Acta Geotechnica, DOI: 10.1007/s11440-020-00915-x. Vol. 15, pp. 3271–3282.

  • Tian, Y., Wu, W., Jiang, G., El Naggar, M.H., Mei, G., Liang, R-Z. 2020. One-dimensional consolidation of soil under multi-stage load based on continuous drainage boundary. International Journal for Numerical and Analytical Methods in Geomechanics, DOI: 10.1002/nag.3055.

  • Lu, D., Wu, C., Ma, C., Du, X. and El Naggar, M.H. 2020. A novel segmental cored column for upgrading the seismic performance of underground frame structure. Soil Dynamics and Earthquake Engineering, DOI: 10.1016/j.soildyn.2019.106011.

  • Wu, W, Liu, H., Jiang, G., El Naggar, M. H., Mei, G., Liang, R. 2020. New method to calculate the apparent phase velocity of open-ended pipe pile. Canadian Geotechnical Journal, 57(1): 127-138. doi.org/10.1139/cgj-2018-0816.

  • Wu, J.J., El Naggar, M.H., Cheng, Q., Wen, H., Li, Y. and Zhang, J. 2020. Iterative load transfer procedure for settlement evaluation of lattice-shaped diaphragm walls in multilayered Soil. Computers and Geotechnics. DOI:10.1016/j.compgeo.103409.

  • Wu, W., Zhang, Y, Yang, X., El Naggar, M.H., Jiang, G. and Liang, R-Z. 2020. Torsional complex impedance of pipe pile considering pile installation and soil plug effect. Soil Dynamics and earthquake Engineering, Vol (131), April, DOI : 10.1016/j.soildyn .106010.

  • Dai, D., El Naggar, M.H., Gao, Y. and Zhang, N. 2020. Kinematic response of an end-bearing pile subjected to vertical P-wave considering the three-dimensional wave scattering. DOI:10.1016/j.compgeo.2019.103368.

  • Zhou, J-J, Gong, X-N, Zhang, R-H, El Naggar, M.H., and Wang, K-H. 2020. Field behavior of pre-bored grouted planted nodular pile embedded in deep clayey soil. Acta Geotechnica, https://doi.org/10.1007/s11440-019-00891-x. vol. 15, pp. 1847–1857.

  • Tian, Y., Wu, W., Jiang, G. El Naggar, M.H., Mei, G. and Ni, P. 2019. Analytical solutions for vacuum preloading consolidation with prefabricated vertical drain based on elliptical cylinder model. Computers and Geotechnics, Vol. 116, doi.org/10.1016/j.compgeo.103202.

  • Wu, J., El Naggar, M.H., Li, X. and Wen, H. 2019. DEM analysis of geobag wall system filled with recycled concrete aggregate. Journal of Construction and Building Materials. Accepted November 22.
    Drbe, O.H. and El Naggar, M.H. 2019. Behaviour of hollow bar micropiles under uplift and lateral loading. Journal of Deep Foundations, Accepted October 27.

  • Liu, H., Wu, W., Yang, X., Jiang, G., El Naggar, MH, Mei, G.X., Liang, R-Z. 2019. Detection sensitivity analysis of pipe pile defects during low-strain integrity testing. Journal of Ocean Engineering. DOI:/10.1016/j.oceaneng.2019.106627.

  • Aboutabikh, M., Soliman, A. and El Naggar, M.H. 2019. Performance of hollow bar micropiles using green grout incorporating treated oil sand waste. Journal of Building Engineering, Vol 27, DOI:1016/j.jobe.2019.100964.

  • Mihaylov, A., El Naggar, M.H., Mihaylov, D. and Dineva, S. 2019. Approximate analytical HVSR curve using multiple band-pass filters and potential applications. Soil Dynamics and Earthquake Engineering, Vol. 127, doi:j.soildyn/105840.

  • Wu, J., El Naggar, M.H., Wang, K. and Wu, W. 2019. Lateral vibration characteristics of an extended pile shaft under low-strain integrity test. Soil Dynamics and Earthquake Engineering. Vol. 126, DOI:j.soildyn.105812.

  • Abdlrhem, M., and El Naggar, M.H. 2019. Axial Performance of Micropile Groups in Cohesionless Soil from Full Scale Tests. Canadian Geotechnical Journal, accepted Aug 10.

  • Shahbazi, M., Cerato, A., Allred, S., El Naggar, M. H., Elgamal, A. 2019. Damping characteristics of full-scale grouped helical piles in dense sands subject to small and large shaking events. Canadian Geotechnical Journal, doi.org/10.1139/cgj-2018-0769.

  • Wu, J., Wang, K. and El Naggar, M.H. 2019. Half-space dynamic soil model excited by known longitudinal vibration of a defective pile. Computers and Geotechnics 112: 403-412.

  • El-Sawy, M.K., El Naggar, M.H., Cerato, A.B., Elgamal, A. 2019. Data reduction and dynamic p-y curves of helical piles from large scale shake table tests. Geotechnical and Geoenvironmental Engineering, ASCE, Vol 145 (10): 04019075.

  • Wu, J., Wang, K. and El Naggar, M.H. 2019. Dynamic response of a defect pile in layered soil subjected to longitudinal vibration in parallel seismic integrity testing. Soil Dynamics and Earthquake Engineering, Vol. 121, pp. 168-178.

  • Li, L. Wu, W., El Naggar, M.H., Mei, G., and Liang, R. 2019. Characterization of a jointed rock mass based on fractal geometry theory. Bulletin of Engineering Geology and the Environment. https://doi.org/10.1007/s10064-019-01526-x.

  • Dai, D., El Naggar, M.H., Zhang, Ning, Gao, Y. and Li, Z. 2019. Vertical vibration of a pile embedded in radially disturbed viscoelastic soil considering the three-dimensional nature of soil. Computers and Geotechnique, Vol. 111, PP. 172-180.

  • Wu, J., Wang, K. and El Naggar, M.H. 2019. Dynamic soil reactions around pile-fictitious soil pile coupled model and its application in parallel seismic method, Computers and Geotechnics, Vol. 110, pp. 44-56.

  • Oudah, F., El Naggar, M.H. and Norlander, G. 2019. Unified system reliability approach for single and group pile foundations – theory and resistance factor calibration. Computers and Geotechnique, Vol 108, pp. 173-182.

  • Al-Maamori, H., El Naggar, M.H. and Micic, S. 2019. Wetting effects and strength degradation of swelling shale evaluated from multistage triaxial test. Underground Space, Vol 4, pp. 79-97.

  • Liu, I. Wu, W., El Naggar, M.H., Mei, G. and Liang, R. 2019. DEM analysis of the sand plug behavior during the installation process of open-ended pile. Computers and Geotechnics. Vol. 109, pp. 23-33. DOI: 10.1016/j.compgeo.2019.01.014.

  • Liu, H. Wu, W., Jiang, G. El Naggar, M.H., Mei, G. and Liang, R. 2019. Benefits from using two receivers for interpretation of low-strain integrity tests on pipe piles. Canadian Geotechnical Journal, 56(10): 1433-1447.

  • Elkasabgy, M. and El Naggar M.H. 2019. Lateral performance and p-y curves for large-capacity helical piles installed in clayey glacial deposit. ASCE Journal of geotechnical and Geoenvironmental Engineering, Vol 145 (10) DOI: 04019078.

  • El-Sawy, M.K., El Naggar, M.H., Cerato, A.B., Elgamal, A. 2018. Seismic performance of helical piles in dry sand from large scale shake table tests. Geotechnique, DOI: 10.1680/jgeot.18.P.001.

  • Dadfar, B., El Naggar, M.H. and Nastev, M. (2018). Vulnerability of buried energy pipelines subject to earthquake-triggered transverse landslides in permafrost thawing slopes.  Journal of Pipeline Systems - Engineering and Practice, ASCE, Accepted March 20.

  • Heidari, M. and El Naggar, M.H. (2018).  Analytical approach for seismic performance of extended pile-shafts. Journal of Bridge Engineering, ASCE, Accepted March 15.

  • Abdelkader, A. and El Naggar, M.H. (2018). Hybrid foundation system for offshore wind turbines. Journal of Geotechnical and Geological Engineering, Accepted March 8.

  • Liu, H., Wu, W., Jiang, G., El Naggar, M. H. and Mei, G. (2018). Influence of soil plug effect on the vertical dynamic response of large diameter pipe piles. Ocean Engineering, 157:13-25.

  • Alnuaim, A., El Naggar, M.H. and El Naggar, H. (2018). Performance of micropiled rafts in clay: numerical investigation. Computers and Geotechnique, 99:42-54.

  • Elsharnouby, B. and El Naggar, M.H. (2018). Field investigation of lateral monotonic and cyclic performance of reinforced helical pulldown micropiles. Canadian Geotechnical Journal, Accepted January 20.

  • Mneina, A., Ahmed, A. and El Naggar, M.H. (2018). Dynamic properties of controlled low-strength materials incorporating treated oil sand waste. Journal of Materials in Civil Engineering, ASCE, accepted January 12.

  • Mneina, A., Ahmed, A., Soliman, A. and El Naggar, M.H. (2018).  Engineering properties of controlled low-strength materials containing treated oil sand waste. Construction & Building Materials, 159:277–285. doi.org/10.1016/j.conbuildmat.2017.10.093.

  • Ahmed, A., Nagy, N.M., El Naggar, M.H. and Kamei T. (2018). Stabilisation of soft soil with recycled plaster admixtures. Ground Improvement, 171(1):12-20.

  • Elsharnouby, B. and El Naggar, M.H. (2018). Numerical investigation of axial monotonic performance of reinforced helical pulldown micropiles. ASCE International Journal of Geomechanics, Accepted December 12.

  • Elkasabgy, M.A. and El Naggar, M.H. (2018). Lateral vibration of helical and driven steel piles installed in cohesive soils. ASCE Journal of Geotechnical and Geoenvironmental Engineering, Accepted January 10.

  • Al-Maamori, H., El Naggar, M.H. and Micic, S. (2018). Numerical modeling of time-dependent deformation and induced stresses in concrete pipes constructed in Queenston shale using micro-tunneling technique. Journal of Rock Mechanics and Geotechnical Engineering, 10(12):290-309.

  • Kamei, T., A. Ahmed and M.H. El Naggar (2018). Performance of ground improvement projects incorporating sustainable reuse of geo-composite wastes. Transportation Geotechnics, 14:22-28.

  • Al-Maamori, H., El Naggar, M.H., Micic, S. and Lo, K. Y. (2017).  The Influence of water and lubricant fluids on the peak strength of Queenston shale from Southern Ontario.  Canadian Geotechnical Journal, 14:22-28.

  • Ahmed, A., N.M. Nagy, M.H. El Naggar and T. Kamei (2017). Stabilisation of soft soil with recycled plaster admixtures. Ground Improvement, 170(4):218-230.

  • El-Marassi, M. A., T. Newson and M.H. El Naggar (2017). Behavior of laterally loaded footings with enlarged shear keys on drained soils. Journal of Geotechnical and Geological Engineering, 35(6):2907-2922.

  • Harnish, J. and M.H. El Naggar (2017). Large-diameter helical pile capacity torque correlations. Canadian Geotechnical Journal, 54(7): 968-986.

  • Tombari, A., M.H. El Naggar and F. Dezi (2017). Impact of ground motion duration and soil non-linearity on the seismic performance of single piles. Soil Dynamics and Earthquake Engineering, 100:72-87.

  • Abuhajar, O., M.H. El Naggar and T. Newson (2017). Closure to Numerical Modelling of Soil and Surface Foundation Pressure Effects on Buried Box Culvert Behavior. Journal of Geotechnical and Geoenvironmental Engineering, ASCE, 143(10):07017029.

  • Ahmed, A. and M.H. El Naggar (2017). Effect of cyclic loading on the compressive strength of soil stabilized with Bassanite-tire mixture. Journal of Material Cycles and Waste Management, 19:1-8, DOI 10.1007/s10163-017-0617-1.

  • Alnuaim, A.M., H. Elnaggar and M.H. El Naggar (2017). Evaluation of piled raft performance using a verified 3D nonlinear numerical model. Journal of Geotechnical and Geological Engineering, 35:1831-1845, DOI 10.1007/s10706-017-0212-1.

  • Dadfar, S.B., M.H. El Naggar and M. Nestev (2017). Quantifying exposure of linear infrastructures to earthquake-triggered transverse landslides in permafrost thawing slopes. Canadian Geotechnical Journal, 54(7):1002-1012.

  • Fahmy, A. and M.H. El Naggar (2017). Axial performance of helical tapered piles in sand. Geotechnical and Geological Engineering Journal, 35:1549-1576, DOI 10.1007/s10706-017-0192-1.

  • Abdelkader, A., A.M. Aly, G. Bitsuamlak and M.H. El Naggar (2017). On the evaluation of wind loads for wind turbines foundation design. Experimental and Numerical Evaluation. The Structural Design of Tall and Special Buildings, 26(9), DOI: 10.1002/tal.1362.

  • Fahmy, A. and M.H. El Naggar (2017). Cyclic lateral performance of helical tapered piles in silty sand. The Journal of the Deep Foundations Institute, 10(3):111-124, doi:10.1080/19375247.2017.1286428.

  • Al-Maamori, H.M.S., M.H. El Naggar and S. Micic (2017). Depth of penetration of lubricant fluids and water in Queenston shale of southern Ontario. Canadian Geotechnical Journal, 54(2):248-257.

  • Wu, W., M.H. El Naggar, M. Abdlrahem, G. Mei and K. Wang (2017). A new interaction model for the vertical dynamic response of pipe piles considering soil plug effect. Canadian Geotechnical Journal, 54(7):987-1001.

  • Daee, B. and M.H. El Naggar (2017). 3D finite element analysis of composite noise barrier constructed of polyurethane products. Frontiers of Structural and Civil Engineering, 11(1):100-110.

  • Wu, W., H. Liu, M.H. El Naggar, G. Mei, and G. Jiang (2016). Torsional dynamic response of a pile embedded in layered soil based on the fictitious soil pile model. Computers and Geotechnics, 80:190-198.

  • Fahmy, A. and M.H. El Naggar (2016). Cyclic axial performance of helical tapered piles in sand. Journal of Deep Foundation Institute, DOI10.1080/19375247.2016.1211353, 1-13.

  • Daee B. and M.H. El Naggar (2016). Experimental study of the application of polyurethane products in accelerated construction of innovative noise barrier. Journal of Materials in Civil Engineering, ASCE, 28(7):04016025.

  • Sabouni, R. and M.H. El Naggar (2016). Lateral earth pressure on cylindrical concrete shafts. Journal of Geotechnical and Geological Engineering, 34:1199-1214.

  • Sayyadpour, H., F. Behnamfar and M.H. El Naggar (2016). The near-field method: a modified equivalent linear method for dynamic soil & structure interaction analysis. Part II: verification and example application. Bulletin of Earthquake Engineering, 14(8):2385-2404.

  • Dadfar, S.B., M.H. El Naggar and M. Nastev (2016).  Experimental and analytical study of seismic site response of discontinuous permafrost. Canadian Geotechnical Journal, 53(9):1363-1375.

  • Alnuaim, A., M.H. El Naggar and H. El Naggar (2016).  Numerical investigation of the performance of micropiled rafts in sand. Computers and Geotechnics, 77:91-105.

  • Mihaylov, D., M.H. El Naggar and S. Dineva (2016). Separation of high- and low-level ambient noise for HVSR: Application in city conditions for Greater Toronto Area. Bulletin of the Seismological Society of America,106(4), DOI:10.1785/0120150389.

  • Aboutabikh, M., A. Soliman and M.H. El Naggar (2016). Properties of cementitious material incorporating treated oil sands drill cuttings waste. Construction and Building Materials, 111:751-757.

  • Al-Maamori, H., M.H. El Naggar, S. Micic and K.Y. Lo (2016). The influence of lubricant fluids on swelling behaviour of Queenston shale in Southern Ontario. Canadian Geotechnical Journal, 53(7):1059-1080.

  • El-Takch, A., A. Sadrekarimi and M.H. El Naggar (2016). Cyclic resistance and liquefaction behaviour of silts and sand silts. Journal of Solid Dynamics and Earthquake Engineering, 83:98-109.

  • Daee, B. and M.H. El Naggar (2016). Experimental study of the application of polyurethane products in accelerated construction of innovative noise barrier. Journal of Materials in Civil Engineering, 10:1061(ASCE)MT-1943-5533,0002522, 04016025.

  • Ahmed, A. and M.H. El Naggar (2016). Swelling and geo-environmental properties of bentonite treated with recycled bassanite. Applied Clay Science, 121-122:95-102.

  • Abuhajar, O.S., T. Newson and M.H. El Naggar, M.H. (2016). Centrifuge modelling of static soil culvert interaction the effect of surface foundation locations. International Journal of Physical Modelling in Geotechnics (submitted).

  • Abuhajar, O.S., T. Newson and M.H. El Naggar (2016). Numerical modelling of the effect of surface foundation on buried culvert behaviour. Journal of Geotechnical and Geoenvironmental Engineering, DOI: 10.1061/(ASCE)GT.1943-5606.0001567.

  • Bagheri, F. and M.H. El Naggar (2016). Effects of installation disturbance on behaviour of multi-helix piles in structured clays. Journal of Deep Foundations, 9(2):80-91.

  • Aboutabikh, M., A. Soliman and M.H. El Naggar (2015). Performance of hollow bar micropiles using sustainable grout. Journal of Geotechnical and Geoenvironmental Engineering, ASCE, 141(5):04015010.

  • El-Marassi, M.A., T. Newson and M.H. El Naggar (2015). Behaviour of laterally loaded footings with enlarged shear keys on drained soils. Journal of Geotechnical and Geological Engineering. Accepted May 15.

  • Alnuaim, A.M., H. El Naggar and M.H. El Naggar (2015). Evaluation of piled raft performance using a verified 3D nonlinear numerical model. Journal of Geotechnical and Geological Engineering. Accepted May 15.

  • Daee, B. and M.H. El Naggar (2015). Application of polyurethane products in accelerated construction of innovative noise barrier: Experimental study. Journal of Materials in Civil Engineering. ASCE. Accepted October 31.

  • Nasr, N., P. Velayutham, E. Elbeshbishy, G. Nakhla, M.H.El Naggar, E. Khafipour, H. Derakshani, D.B. Levin and H. Hafez (2015). Effect of headspace carbon dioxide sequestration on microbial biohydrogen communities. International Journal of Hydrogen Energy, 40(32):9966-9976.

  • Abuhajar, O., M.H. El Naggar and T. Newson, T. (2015). Static soil culvert interaction the effect of box culvert geometric configurations and soil properties. Computers and Geotechnics, 69:219-235.

  • Abuhajar, O., El Naggar, M.H. and Newson, T. (2015). Experimental and numerical investigations of the effect of buried box culverts on earthquake excitation. Soil Dynamics and Earthquake Engineering, 79:130-148.

  • Daee, B. and M.H. El Naggar (2015). Application of flexi-wall in noise barriers renewal. Journal of Case Studies in Construction Materials, 3:48-55.

  • Gupta, M., M. Gomez-Flores, N. Nasr, E., H. Hafez, M.H. El Naggar and G. Nakhla (2015). Performance of mesophilic bihydrogen-producing cultures at thermophilic conditions. Bioresource Technology, 192:741-747.

  • Ahmed A., A. Soliman, M.H. El Naggar and T. Kamei (2015). An assessment of geoenvironmental properties for utilisation of recycled gypsum in earthwork projects. Soils and Foundations Journal, 55(5):1139-1147.

  • Taha, A.,M.H. El Naggar and A. Turan (2015). Numerical modelling of the dynamic lateral behaviour of geosynthetics-reinforced pile foundation system. Soil Dynamics and Earthquake Engineering, 77:254-266.

  • Taha, A., M.H. El Naggar and A. Turan (2015). Experimental study on the seismic behaviour of geosynthetic-reinforced pile-foundation system. Geosynthetics International, 22(2):183-195.

  • Alnuaim, A., El Naggar, M.H and El Naggar, H. (2015). Performance of micropiled raft in clay subjected to vertical concentrated load: Centrifuge modelling. Canadian Geotechnical Journal, 52(12):2017-2029.

  • Bagheri, F. and El Naggar, M.H. (2015). Effects of installation disturbance on behaviour of multi-helix piles in structured clays. Journal of Deep Foundations, 9(2):80-91.

  • Abuhajar, O., El Naggar, M.H. and Newson, T. (2015). Seismic soil culvert interaction. Canadian Geotechnical Journal, 52(11):1649-1667.

  • Abuhajar, O., Newson, T. and El Naggar, M.H. (2015). Scaled physical and numerical modelling of static soil pressures on box culverts. Canadian Geotechnical Journal, 52(11):1637-1648.

  • Dadfar, S.B., El Naggar, M.H. and Nastev, M. (2015). Ovalization of steel energy pipelines buried in saturated sands during ground deformations. Computers and Geotechnique, 69(5):105-113.

  • Drbe, O.H. and El Naggar, M.H. (2015). Axial monotonic and cyclic compression behaviour of hollow bar micropiles. Canadian Geotechnical Journal, 52(4):426-441.

  • Elkasabgy, M. and El Naggar, M.H. (2015). Axial compressive response of large-capacity helical and driven steel piles in cohesive soil. Canadian Geotechnical Journal, 52(2):224-243.

  • Abd Elaziz, A.Y. and El Naggar, M.H. (2015). Performance of hollow bar micropiles under monotonic and cyclic lateral loads. Geotechnical and Geoenvironmental Engineering, ASCE, 141(5), DOI: 10.1061/(ASCE) 1943-5606.0001279.

  • Dadfar, S.B., El Naggar, M.H. and Nastev, M. (2015). Experimental and analytical study of seismic site response of discontinuous permafrost, Canadian Geotechnical Journal, 10.1139/cgj-2015-0223.

  •  

Refereed Book Chapters

  • Shama, A. and M.H. El Naggar (2015). Bridge foundations. Encyclopedia of Earthquake Engineering, Spring, pp. 298-371.

  • Hafez, H., G. Nakhla, M.H. El Naggar, G. Ibrahim and S.E.H. Elnashaie (2014). Biological hydrogen production: Light-driven processes. Handbook of Hydrogen Energy. Ed. Sherif, S.A., Yogi, Goswami, D., Stefanakos, E.K. and Steinfeld, L., CRC Press, pp. 251-298.

  • Lee, K.S., L-M. Whang, G.D. Saratale, S-D. Chen, J-S. Chang, H. Hafez, G. Nakhla and M.H. El Naggar (2014). Biological hydrogen production via dark fermentation. Handbook of Hydrogen Energy. Ed. Sherif, S.A., Yogi Goswami, D., Stefanakos, E.K. and Steinfeld, L., CRC Press, pp. 181-251.

Conference Proceeding Papers

Invited/Keynote Lectures

  • El Naggar, M.H. (2017). Recent advances in helical piles. Proceedings of International Conference on Advancement of Pile Technologies and Case Histories. Bali, Indonesia, September 25-27, Paper A09, 22 pages.

  • El Naggar, M.H. (2017). Dynamic behavior of helical piles. Helical Piles and Tiebacks Seminar, Deep Foundations Institute, Montreal, QC, September 19.

  • El Naggar, M.H. (2017). Use of treated oil sand waste in cementitious materials for geotechnical applications. 4th World Congress and Expo on Recycling, Rome, July 27-29.

  • El Naggar, M.H. (2014). Integrated biohydrogen reactor clarifier system (IBRCS): Setup, performance and application. International Engineering Conference on Wastewater and Biosolids Treatment and Reuse: Bridging Modeling and Experimental Studies, Otoronto, Italy, June 8-12.

  • El Naggar, M.H. (2013). Recent developments in design fo foundations for tall structures: Challenges and innovations. Proceedings of the 12th Arab Structural Engineering Conference, December 16-18, 2013, Tripoli, Libya.

  • El-Sharnouby, M., and El Naggar, M.H. (2013). Lateral static and cyclic behaviour of the composite steel-fibre reinforced helical pulldown micropiles - innovative foundation solutions for seismic applications. 21st Vancouver Geotechnical Society Symposium, June 7, Vancouver.

  • Abdelghani, Y. and M.H. El Naggar (2013). Full-scale experimental investigations and numerical analysis of different innovative instrumented composite helical screw piles under axial & lateral monotonic and cyclic loads. 21st Vancouver Geotechnical Society Symposium, June 7, Vancouver.

  • El Naggar, M.H. (2013). Machine foundation design: Experimental and analytical soil-structure-interaction. 7th International Conference on Case Histories in Geotechnical Engineering, Chicago, April 29-May 4.

Refereed Proceedings

  • Taha, A., M.H. El Naggar and S.E. AbdelRaheem (2017). Seismic performance of piled raft foundation At Al-Madinah City Center- Case Study. Proceeding of Canadian Geotechnical Conference, GeoOttawa, October, 1-4, Paper 182.

  • Heidari, M. and M.H. El Naggar (2017). Analytical method for the design of stabilizing rigid pile in frictional soil. Proceeding of Canadian Geotechnical Conference, GeoOttawa, October, 1-4, Paper 585.

  • Abdlrahem, M., M.K. El-Sawy, M. Heidari and M.H. El Naggar (2017). Numerical modeling of micropiles in stiff clay subjected to combined loading. Proceeding of Canadian Geotechnical Conference, GeoOttawa, October, 1-4, Paper 169.

  • Drbe, O., A. Sadrekarimi, M.H. El Naggar, T. Sanguiliano, R. Moen and J. Ng (2017). Proceeding of Canadian Geotechnical Conference, GeoOttawa, October, 1-4, Paper 342.

  • El-Sawy, M.K., M.H. El Naggar, M. Heidari, A.B. Cerato and A. Elgamal (2017). Interpretation Of Seismic Response Data From Full Scale Helical Pile Tests. Proceedings of Annual Conference of Deep Foundation Institute, New Orleans, October 22-24.

  • Al-Maamori, H.M.S., M.H. El Naggar and S. Micic (2017). Wetting Effects of Water and Lubricant Fluids on Dynamic Properties of the Queenston Shale from Southern Ontario. Proceeding of Canadian Geotechnical Conference, GeoOttawa, October, 1-4, Paper 439.

  • Abuhajar, O., T. Newson and M H. El Naggar (2017). Centrifuge modeling of surface foundation effects on buried box culverts. Proceedings of 19th International Conference on Soil Mechanics and Geotechnical Engineering, September 18-22, Seoul, Korea.

  • Ramadan, A., K. Siddiqui, and M.H. El Naggar (2017). Investigation of the concentric vertical ground loop of a heat pump in an energy micro-pile. Proceedings of13th International Workshop on Micropiles, Vancouver, BC, Canada, March 29-31.

  • Abuhajar, O., T. Newson and M.H. El Naggar (2017). The effect of soil depth and box culvert geometry on the static soil-culvert interaction. Geotechnical Frontiers, Geotechnical Special Publication (GSP277), ASCE, pp. 202-211.

  • Fahmy, A. and M.H. El Naggar (2017). Uplift and lateral performance of tapered helical piles in sand. Proceedings of the 2nd World Congress on Civil, Structural, and Environmental Engineering (CSEE’17) Barcelona, Spain – April 2–4, 2017, Paper No. ICGRE 138 ISSN: 2371-5294 DOI: 10.11159/icgre17.138 (Best Paper Award).

  • El Takch, A., A. Sadrekarimi, M.H. El Naggar (2017).  Dynamic behaviors of silt and sandy silt soils determined from cyclic ring shear tests. Proceedings of 3rd International Conference on Performance-based Design in Earthquake Geotechnical Engineering (PBD-III), Vancouver, BC, Canada, July 16-19, 2017.

  • Abuhajar, O., M.H. El Naggar and T. Newson (2017). Centrifuge modeling of racking deformations of box culverts. Proceedings of 3rd International Conference on Performance-based Design in Earthquake Geotechnical Engineering (PBD-III), Vancouver, Canada, July 16-19, paper No. 103.

  • Dadfar, B., M.H. El Naggar and M. Nastev (2017).  Seismic performance of slopes in northern Canada. Proceedings of 3rd International Conference on Performance-based Design in Earthquake Geotechnical Engineering (PBD-III), Vancouver, Canada, July 16-19, Paper 495.

  • Elsherbiny, Z. and M.H. El Naggar (2017). On the Importance of Coupled Stiffness of Fixed-Head Piles. Proceedings of 3rd International Conference on Performance-based Design in Earthquake Geotechnical Engineering (PBD-III), Vancouver, Canada, July 16-19, paper No. 487.

  • Elsherbiny, Z., M.H. El Naggar and A.W. Elgamal (2017). Helical Piles Foundation for Wind Turbines: Full-Scale Testing of a Single Helical Pile in Sand. Proceedings of 3rd International Conference on Performance-based Design in Earthquake Geotechnical Engineering (PBD-III), Vancouver, Canada, July 16-19, paper No. 488.

  • Heidari, M., M. El-Sawy and M.H. El Naggar (2017). Nonlinear seismic response analysis of single pile in sand. Proceedings of 3rd International Conference on Performance-based Design in Earthquake Geotechnical Engineering (PBD-III), Vancouver, Canada, July 16-19, paper No. 494.

  • Alsharedah, Y., A. Ahmed, A. Soliman and M.H. El Naggar (2016). Mining tailing stabilization using waste materials. In the Proceeding of CSCE 2016 Annual Conference, London, Ontario, Canada, June 1-4, Paper No. 173, 7 Pages.

  • Abdlrahem, M. and M.H. El Naggar (2016). Full scale uplift load testing of micropiles in cohessionless soil. Proceedings of Annual Conference, Deep Foundation Institute, New York, October 12-16.

  • Mansour, M.A., A. Soliman and M.H. El Naggar (2016).  High capacity grouted helical piles. Proceedings of Annual conference, Deep Foundation Institute, New York, October 12-16.

  • Mansour, M.A., J. Harnish, R. Mara and M.H. El Naggar (2016). Grouted helical piles: new approach. GeoVancouver, Vancouver, October 2-6.

  • Mneina, A., A. Soliman, A. Ahmed and M.H. El-Naggar (2016). Green controlled low-strength material. GeoVancouver, Vancouver, Canada.

  • Abdlrahem, M. and M.H. El Naggar (2016). Cyclic tension response of hollow bar micropiles in cohessionless soil. Geovancouver, Vancouver, October 2-6.

  • Al-Maamori, H.M.S., M.H. El Naggar, S. Micic and K.Y. Lo (2016).  The influence of water and lubricant fluids on properties of Queenston shale from southern Ontario. Proceedings of Canadian Geotechnical Conference, GeoVancouver, Vancouver, October 2-6.

  • Fahmy, A. and M.H. El Naggar (2016).  Uplift performance of spun-cast ductile iron piles. The Geotechnical and Structural Engineering Congress ASCE, pp. 1860-1872.

  • Eltawati, A. and M.H. El Naggar (2016). Construction and instrumentation of geogrid-reinforced unpaved road test sections. GeoVancouver, Vancouver, October 2-6.

  • Drbe, O., A. Sadrekaremi, M.H. El Naggar and T. Sangiuliano (2016). Modelling of negative skin friction on driven piles. GeoVancouver, Vancouver, October 2-6.

  • Mansour, M.A., M. Aboutabikh, A.M. Soliman and M.H. El Naggar (2016). Application of different industrial waste materials in geotechnical applications.  Canadian Society for Civil Engineering (CSCE), conference paper, 8p.

  • Mansour, M.A., M. Aboutabikh, A. Soliman, M.H. El Naggar (2016). Sustainable grouted helical piles: Materials and performance,” Canadian Society for Civil Engineering (CSCE), conference paper, 9p.

  • Taha, A., M.H. El Naggar and A. and Turan (2016). Pseudo-static analysis of seismic performance of geogrid-reinforced pile foundation. GeoAmericas Conference, Miami, April 10-13.

  • Fahmy, A. and M.H. El Naggar (2016).  Uplift performance of spun-cast ductile iron piles. Proceedings of the Geotechnical and Structural Engineering Congress ASCE, Phoenix, Arizona, January.

  • Alnuaim, A., M.H. El Naggar and H. El Naggar (2016). Centrifuge applications in micropile foundations. The 8th Asian Young Geotechnical Engineers Conference, At Astana, Kazakhstan August.

  • Mansour, M., M. Aboutabikh, A. Soliman and M.H. El Naggar (2016). Sustainable grouted helical piles: Materials and performance. CSCE Annual General Conference, London, Ontario, June.

  • Abuhajar, O., M.H. El Naggar and T. Newson (2016). Interpreting dynamic soil properties of dry Nevada sand from centrifuge modelling. The 3rd European Conference on Physical Modelling in Geotechnics, Nantes, France, June.

  • Naghavi, N., A. Sadrekarimi, M.H. El Naggar (2015). Determination of the maximum density of carbonate silty sands. Proceedings of 15th PanAmerica Conference on Soil Mechanics and Geotechnical Engineering, Buenos Aires, Nov. 15-18, Paper No. 1658.

  • Abdelrahem, M. and M.H. El Naggar (2015). Investigation of mechanical properties of fibre-reinforced grout for micropile application. Proceedings of 15th PanAmerican Conference on Soil Mechanics and Geotechnical Engineering, Buenos Aires, Nov. 15-18, Paper No. 1469.

  • Ahmad, S., A. Alnuaim, A. and M.H. El Naggar (2015). Dynamic shear modulus of kaolin-silt clay using a novel technique. Proceedings of 15th PanAmmerican Conference on Soil Mechanics and Geotechnical Engineering, Buenos Aires, Nov. 15-18, Paper No. 1336.

  • El Takch, A., A. Sadrekarimi and M.H. El Naggar (2015). Liquefaction behaviour of silt and sandy silts from cyclic ring shear tests. Proceedings of 6th International Conference on Earthquake Engineering, Christchurch, Nov. 1-4, Paper No.

  • Dadfar, S.B., M.H. El Naggar and M. Nastev (2015). Seismic behaviour of buried energy pipelines in northern permafrost regions. Proceedings of 6th International Conference on Earthquake Engineering, Christchurch, Nov. 1-4, Paper No. 558.

  • Fahmy, A. and M.H. El Naggar (2015). Lateral performance of helical tapered piles in sand. Proceedings of 68th Canadian Geotechnical Conference, GeoQuebec, Quebec City, Sept. 20-23, Paper No. 021.

  • Al-Maamori, H.M.S., M.H. El Naggar, S. Micic and K.Y. Lo (2015). Swelling potential of Queenston shale in lubricant fluids. Proceedings of 68th Canadian Geotechnical Conference, GeoQuebec, Quebec City, Sept. 20-23, Paper No. 534.

  • Hafez, D., A. Turan, and M.H. El Naggar (2015). Numerical modelling of stress reducing effects of rigid inclusions above buried FRP pipes. Proceedings of 68th Canadian Geotechnical Conference, GeoQuebec, Quebec City, Sept. 20-23, Paper No. 795.

  • Kassem, M., A. Soliman and M.H. El Naggar (2015). Implementation of treated oil sands waste in continuous flight auger piles concrete mixtures.  Proceedings of 68th Canadian Geotechnical Conference, GeoQuebec, Quebec City, Sept. 20-23, Paper No. 501.

  • Abdelkader, A. and M.H. El Naggar (2015). Effects of loading on stiffness and capacity of wind turbine hybrid foundation under 1g modelling. Proceedings of 68th Canadian Geotechnical Conference, GeoQuebec, Quebec City, Sept. 20-23, Paper No. 753.

  • Aboutabikh, M., A. Soliman and M.H. El Naggar (2015). Effect of treated oil sands drill cuttings waste on micropiles grout properties. Proceedings of 68th Canadian Geotechnical Conference, GeoQuebec, Quebec City, Sept. 20-23, Paper No. 502.

  • Hamidi, M. and M.H. El Naggar (2015). Seismic performance if SCf in isolation of structures - aspects of experimental study.  Proceedings of 11th Canadian Conference for Earthquake Engineering, Victoria, July 21-24, Paper No. 98970.

  • Alnuaim, A., H. El Naggar and M.H. El Naggar (2014). Using micropile as settlement reducer: Centrifuge and numerical investigations. Proceedings of 67th Canadian Geotechnical Conference (GeoRegina 2013), Regina, Sept. 29-Oct. 2, Paper No. 160.

  • Drbe, O.E. and M.H. El Naggar (2014).  Compressive behaviour of hollow core micropiles in cohesive soil Proceedings of DFI/EFFC 11th International Conference on Piling and Deep Foundations, Deep Foundations Institute, Stockholm, Sweden, May 21-24, Paper No. 1147698.

  • Abdelghany, Y. and M.H. El Naggar (2014).  Full-scale field investigations and numerical analyses of innovative seismic composite fiber reinforced polymer and reinforced grouted helical screw instrumented piles under axial and lateral monotonic and cyclic loadings.  Proceedings of DFI/EFFC 11th International Conference on Piling and Deep Foundations, Deep Foundations Institute, Stockholm, Sweden, May 21-24, Paper No. 1147332.

  • Dadfar, B., M.H. El Naggar and M. Nastev (2013).  Seismic site response of discontinuous permafrost.  Proceedings of 85th Annual Meeting of the Eastern Section of the Seismological Society of America, October 6-8, La Malbaie, Quebec.

  • Bagheri, F. and M.H. El Naggar (2013).  Effects of installation disturbance of behaviour of multi-helix anchors in sands.  Proceedings of 66th Canadian Geotechnical Conference (GeoMontreal 2013), Sept. 30 - Oct. 3, Paper No. 242.

  • Turan, A., T. Sangiuliano and M.H. El Naggar (2013).  The student of lateral earth pressure on integral abutments with TDA inclusions.  Proceedings of 66th Canadain Geotechnical Conference (GeoMontreal 2013), Sept. 30 - Oct. 3, Paper No. 231.

  • Alnauim, A., H. El Naggar and M.H. El Naggar  (2013).  Contact pressure and stress distribution inpiled raft foundation subjects to vertical loading.  Proceedings of 66th Canadian Geotechnical Conference (GeoMontreal 2013), Sept. 30-Oct. 3, Paper No. 225.

  • Taha, A., M.H. El Naggar and A. Turan (2013). Scaled physical modelling of geogrid reinforced pile-raft systems. Proceedings of 38th Annual Deep Foundtion Institute Conference, Phoenix, Sept. 25-28.

  • El Naggar, M.H., A. Turan and T. Sangiuliano (2013). Downdrag effects on the pile groups including inclined piles. Proceedings of 38th Annual Deep Foundation Institute Conference, Phoenix, Sept. 25-28.

  • Alnuaim, A., El Naggar, H. and El Naggar, M.H. (2013).  Performance of piled-raft system under axial load.  Proceedings of the 18th International Conference on Soil Mechanics and Geotechnical Engineering, Paris. Sept. 2-6, Paper No. 2417:2663-2666.

  • Alnuaim, A. and M.H. El Naggar (2013).  Performance of deep foundation on Sabkha soil.  Proceedings of 66th Canadian Geotechnical Conference (GeoMontreal 2013), Sept. 30-Oct. 3, Paper No. 225.

  • Alnuaim, A. and M.H. El Naggar (2013).  Performance of shallow foundation on Sabkha soil  Proceedings of 3rd Specialty Conference on Material Engineering & Applied Mechanics part of CSCE Annual Conference, Montreal , QC, May 28-30, Paper No. MEC-29.

  • Alnuaim, A., H. El Naggar and M.H. El Naggar (2013).  3D modelling of piled raft foundation subjected to vertical loading.  Proceedings of 3rd  Specialty Conference on Material Engineering & Applied Mechanics part of CSCE Annual Conference, Montreal, QC, May 28-30, Paper No. MEC-7.

  • Elsherbiny, Z. and M.H. El Naggar (2013).  The performance of helical pile groups under compressive loads:  a numerical investigation.  Proceedings of the 18th International Conference on Soil Mechanics and Geotechnical Engineering, Paris, Sept. 2-6, Paper No. 2427:2723-2726.

  • El-Sharnouby, M. and M.H. El Naggar (2013).  Field investigation of axial monotonic and cyclic performance of reinforced helical pulldown micropiles (THPM).   Proceedings of 1st International Geotechnical Symposium on Helical Foundations, University of Massachusetts, Amherst, MA, August 8-10, Paper No. 5-2.

  • Tombari, A., M.C. Capatii, F. Dezi, and M.H. El Naggar (2013).  The influence of soil non-lineraity on the seismic response of bridge structures supported on extended pile shafts.  Proceedings of the 6th International Conference on Earthquake Geotechnical Engineering, Istanbul, Turkey, June 17-19, Paper No. 235.

Research Reports 

  • El-Marassi, M.A., T. Newson, T. and M.H. El Naggar (2014).  Behavior of laterally loaded 2D hybrid monopile-footing foundations under drained conditions.  Research Report GEOT-14-01.  ISSN:  08470626.

  • El Naggar, M.H. and H. Al-Maamori (2014). Effects of Drilling Fluids on the Swelling and the Strength of Queenston Shale from Southern Ontario. Research Report GEOT-14-02, ISSN 08470626.