Damage constitutive model of jointed rock mass and engineering application
According to the structural characteristics of fractured rock mass and the geometric damage theory, a damage matrix was cited to describe the deterioration of rock mass due to cracks. The deterioration of rock mass constitutive model based on Mohr-Coulomb criterion was deduced. Taking FLAC3D as the development platform, the constitutive model was compiled on the VC++ environment and secondary development of FLAC3D was realized. In the end, the surrounding rock stability of the underground cavern group of Shuangjiangkou hydropower station was simulated by using the development program. And the results were compared with the ones obtained from the computation with elastic-plastic model. According to the comparative results, the model was basically reasonable. Meanwhile, the research achievement was put forward for the stability and security of underground cavern group.
geometric damage constitutive model numerical simulation
Xiao-jing Li Wei-min YANG Wei-shen Zhu Qing-song Ma
School of Civil Engineering,Shandong Jianzhu University,Jinan 250101,China Geotechnical and Structural Engineering Research Center of Shandong University,Jinan 250061,China
国际会议
大连
英文
393-396
2009-10-20（万方平台首次上网日期，不代表论文的发表时间）