分析内爆炸圆管膨胀破碎过程的应力，提出确定内爆炸圆管断裂半径的复合判据，从理论上预测不同材料圆管的破片初速度。
Stresses of the in-explosive cylinder were analyzed, compound criteria for determinating the fracture radius was put forward to calculate the initial velocity of cylinder fragment.
重点讨论了建立湿度应力场理论的两大要素：膨胀岩石含水率变化对其力学性质的影响和岩体中湿度变化规律。
Two basic problems, which are change of mechanical properties of swelling rock by effects of water content and the humidity field swelling rock mass, are discussed.
软岩工程中的岩体一般为膨胀岩体，受水作用后的应力应变场分析问题十分困难。本文提出了分析膨胀岩体受水作用的湿度应力场理论。
In this paper, the author presents forword a new theory in rock mechanics-the humidity stress field the - ory of swelling rock.
在探索多场耦合理论基础上，研制出了一个考虑渗流场和膨胀变形对应力场作用的三维强度折减有限元程序。
The technique of the 3D finite element method(FEM) of coupling seepage, expanse and stress was studied, and the corresponding program for the FEM of strength reduction method was developed.
在探索多场耦合理论基础上，研制出了一个考虑渗流场和膨胀变形对应力场作用的三维强度折减有限元程序。
The technique of the 3D finite element method(FEM) of coupling seepage, expanse and stress was studied, and the corresponding program for the FEM of strength reduction method was developed.
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