At Troy Mine, a progression of pillar failures led to surface subsidence. Itasca back-analyzed this behavior, using a large-scale numerical model, to understand the level of stresses and failure mechanism leading to the collapse of some pillars. Forward predictions on pillar stability in another nearby deposit, in a similar geomechanical setting, were also done.
The 56th US Rock Mechanics / Geomechanics Symposium covers all aspects of rock mechanics, geomechanics, and rock engineering.
Dr. Bisht specializes in computational geomechanics and numerical modeling. He has experience in finite elements, the material point method, and software development. Dr. Bisht has worked extensively in developing algorithms in the material point method for simulation of penetration problems using realistic soil models. He also has experience in pile design. He proposed pile driving formulae for driven pipe piles and developed software for pile design and quality assurance.
Dr. Bisht is currently a reviewer for the Journal of Geotechnical and Geoenvironmental Engineering.
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