A Study on Karst Cave Collapse Based on Improved Terzaghi Theory and Upper Limit Analysis
Weilong Yan,
Rui Liu,
Shugao Tian
et al.
Abstract:Karst areas exhibit intricate geological attributes, and the geological and environmental issues caused by urban development cannot be ignored, especially the issue of karst surface collapses. In this study, we developed two analytical methods and analyzed the stability of the overburden stratum of 3D spherical karst caves with surface load, vacuum absorption erosion force, and groundwater table considerations. The first analytical method is based on the improved Terzaghi theory, while the second analytical me… Show more
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