Zhenyu Liu

Failure mechanisms and paths of freeze–thaw-treated single-flaw sandstone under triaxial compression in ultra-high-altitude cold-region open-pit mine slopes

Abstract Ultra-high-altitude cold-region open-pit mine slopes are affected by seasonal freeze-thaw (F-T) weathering, structural discontinuities, and excavation-induced stress changes. Sandstone sampled from a mining bench at 5074 m a.s.l. in the Dahongliutan area of Hotan County,...

Mechanical properties and fracture failure characteristics of fractured limestone under coupled freeze-thaw and cyclic loading

<title>Abstract</title> The Central Asian Orogenic Belt possesses abundant mineral resources. As mining activities extend into high-altitude cold regions, the safety and stability of rock engineering projects, such as open-pit mine slopes, have become increasingly prominent. This...