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本文扼要介绍了具有三组任意方位节理岩体的弹塑性和弹粘塑性有限元算法,给出了模型试验的某些细节。所提的算法考虑了节理间距和因变形引起的岩体结构的改变。计算结果与试验结果比较接近。
In this paper, the elasto-plastic and elasto-viscoplastic finite element method for jointed rock mass with three arbitrary orientations is introduced. Some details of the model test are given. The proposed algorithm considers the joint pitch and the change of rock mass structure due to deformation. The calculated results are close to the test results.