About Us



Liangcai He, PhD, PE, GE

Chief Geotechnical Engineer

Liangcai He, PhD, PE, GE, brings over 30 years of experience to Twining. Liangcai has extensive experience in earthquake engineering, soil-structure interaction, field investigations, earthwork and foundation design, retaining walls, seepage and groundwater modeling, embankment dams and levees, slope stability, and preparation of technical reports. His responsibilities have included project planning and management, proposals, cost estimate, field investigation, laboratory testing, engineering analyses, report preparation, plan review, and construction monitoring. His analytical skills include traditional engineering analyses and advanced numerical modeling. Liangcai has performed numerous analyses and modeling for ground motion, site seismic response, liquefaction, lateral spreading, static and dynamic soil-structure interaction, system identification and optimization, slope stability and deformation, bearing capacity, elastic and consolidation settlement, lateral earth pressure, and soil springs. In addition, Liangcai has published numerous technical papers and has peer reviewed for the Journal of Earthquake Engineering, Canadian Geotechnical Journal, Journal of Soil Dynamics and Earthquake Engineering, IACGE International Conference on Geotechnical and Earthquake Engineering, and GeoHunan International Conference. He has been awarded the title of Outstanding Reviewer by the Journal of Soil Dynamics and Earthquake Engineering.

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