Abstract
A landslide has occurred in the cut slope located in Chongqing Xi railway station. This slope belongs to a shale under-dip slope and has a complex failure mechanism. Some on-site investigations have been made to explore the deformation characteristics of this slope, and structural geology analyses and outcomes of geological investigations in situ are firstly described. The progressive failure process of the slope during unloading excavation has also been simulated by the Universal Distinct Element Code (UDEC). The obtained deformation characteristics of the slope have proven to well match the field measurements, which verifies the practicability of the UDEC model.
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