【作者】 徐志胜； 杨列连； 张金侠；

【Author】 Xu Zhisheng (China University of Mining and Technology,Xuzhou 221008) Yang Lielian Zhang Jinxia (Jisuo Colliery,Tengzhou,273518)

【机构】 中国矿业大学； 级索煤矿；

【摘要】 根据对山东省滕州市某煤矿顶板运动的实测为基础,讨论顶板岩层微结构本身、承受外界载荷的作用时裂纹的发展趋势及损坏断裂过程表现出的分形几何特征。更多还原

【Abstract】 Based on the example of the roof movement in some colliery of Tengzhou city,Shandong Provience,the microstructure of the roof strata and the development trend of the fracture induced by the exteral load as well as the characteristics of the fractal geometry developed in the period of the fracture have been studied.更多还原