top of page

Wed, May 22


Da Vinci Banquet Hall

May CGS-SOS Dinner Lecture: Geotechnical Properties of Glacial Deposits

by Dr. Jinyuan Liu from TMU.

Time & Location

May 22, 2024, 5:30 p.m. – 9:00 p.m.

Da Vinci Banquet Hall, 5732 Highway 7 #33 Vaughan, ON L4L 3A2 Canada

About the event

This presentation introduces an inverse analysis method to calibrate the soil model parameters precisely and reduce the project risks. Currently, the numerical methods have been routinely applied in geotechnical engineering practice. However, the most challenging issue is the suitable soil model and its model parameters to reflect the non-linear stress-strain behavior of geomaterials. Glacial deposits covering the majority of the lands in Canada are one of the most challenging geomaterials in the world. Their wide range of grain sizes makes them not fall clearly into either cohesive or cohesionless soils used in the geotechnical textbooks. The inverse analysis presented here was carried out by integrating UCODE, a versatile inverse modeling tool, with the finite element software. A finite element model was built to simulate the laboratory or field tests and obtain the simulated stress-strain or deformation curve. UCODE was able to adjust the model parameters to their optimized values by minimizing the discrepancies between the simulated curve and the tested one. The whole calibration process was automatically conducted by using Macros. In this presentation, a few examples will be shown to calibrated the Hardening Soil model parameters using oedometer and pressure-meter tests. The method was applied to the main soil types in the City of Toronto. Distinct model parameters were obtained for these soil types. The developed calibration process can be used to obtain an accurate simulation of geotechnical structures and reduce the project risks.

Share this event

bottom of page