Experimental Study of Hollow-cylinder Sandstone Under Constant Mean Stress Considering the Rotation of Principal Stress Axes

HighlightsA series of constant mean stress tests considering principal stress axes rotation is conducted on hollow-cylinder sandstone.The relationship between the principal stress orientation and the rock mechanical properties is studied.The fracture mechanism of the sandstone during the test is analyzed.

Automated summary

A series of constant mean stress tests considering principal stress axes rotation were conducted on hollow-cylinder sandstone. The relationship between the principal stress orientation and the rock mechanical properties was studied, and the fracture mechanism of the sandstone during the test was analyzed.