Theoretical expressions of the relaxation moduli of fissured rock mass under uniaxial and hydrostatic strains are derived by use of the Betti reciprocal theorem and viscoelastic fracture theory, and the difference between the moduli is analyzed.
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- 利用线粘弹性断裂力学原理和Betti能量互等定理；推导了裂隙岩体单轴松弛模量和体积松弛模量的理论表达式；对比了两者之间的差异.
