Research Article
Research on the Settlement Regulation and Stability of Large Building Foundation over Gobs: A Case Study in the Xiangcheng Coal Mine, China
Figure 6
Hinged fracture structure of the sandstone layer. GB, gravity of the rock block B; TAB and TCB, horizontal thrust of the rock block A and C to rock block B; QAB and QCB, friction resistance of the rock block A and C to the rock block B.