The water is an important factor to affect the jointed and crannied rock mass slope stability.

水是影响节理裂隙岩质边坡稳定性的重要因素之一。

The paper introduces the method of destressing aborehole radially for researching the rock mass stress fieldat site.

本文介绍了白皎矿区岩体应力场的现场研究方法：孔径应力解除法。

The Distinct Element Method(DEM)is a discontinuum-based numerical method especially applicable to solve the discontinuity problems in jointed rock mass.

离散元法是基于不连续性假设的数值方法,它特别适合于求解节理岩体中的非连续性问题。

Geologically, the rock mass of the Mogao Grottoes is semi-binder calcirudite of the quaternary sediment of very loose structure.

莫高窟岩体在地质学上属第四纪沙泥质、钙质半胶结砾岩，结构十分松散。