Research on Mechanics Properties of the Brittle Rock with Triaxial Unloading Experiment
LIU Zhicheng
Abstract：On the basis of the situation brittle surrounding rock deformation and destroy, the rock's tri-axial unloading property being researched in this paper.By the experiment results, to investigate the road way's roof deformation, destroy and mechanics characteristic, so as to provide scientific, reasonable and approving accordings for the supporting design.It concluded that the deformation and destroy of mid-stable, brittle surrounding rock are due to the unloading imbalance stress in the deep complex, large stress condition road way.The measure to control the deleterious deformation, destroy and indeed roof fall is couple the rigidity, intensity and deformation between the surrounding rock and supporter.And keep road way from cutting, sleek or parting destroy.
Keywords：Unloading destroyTri-axial experimentRoadway supportBrittle rock1
Publication Date：2009-01-01
Pages：3( 10-12 )