Abstract: A typical sandy mudstone from the deep-buried roadway of the Kouzidong coal mine was taken as the research object. Based on the micro-mesoscopic experiments combining the acoustic emission (AE) and digital speckle correlation ...

Abstract: The shear behavior of intact cubic sandstones was studied under constant normal stiffness (CNS) conditions using self-designed equipment. A series of direct shear tests on intact sandstone blocks was conducted with initial ...