In this paper, for the joint rock mass with medial size and in-group crack, parameter identification of its geometrical damage model is studied by back analysis of in-situ measured displacement.
对包含中等尺寸的成组分布裂隙的岩体，采用岩体几何损伤本构模型，用监测位移反馈分析法同时辨识岩体弹性模量、地应力及损伤参数。
Simulation results show that the combined indexes based on natural frequencies and mode displacements are sensitive to the joint damage and effective for the(identification) of joint damage.
研究表明，虽然空间索杆结构的动力性能较为复杂，但基于结构固有频率和模态位移的组合指标对节点损伤仍较为敏感，利用它们进行节点损伤识别是有效的。
Based on the theory of displacement back analysis and the theory of geometrical damage, identification of damage parameters in joint rock mass is studied in this paper.
基于位移反分析理论及几何损伤理论，对巷道裂隙岩体的损伤参数进行了辨识。
Based on the theory of displacement back analysis and the theory of geometrical damage, identification of damage parameters in joint rock mass is studied in this paper.
基于位移反分析理论及几何损伤理论，对巷道裂隙岩体的损伤参数进行了辨识。
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