沿空掘巷合理布巷及其锚杆支护原理  

The Reasonable Locating of the Gateway Driven Along Goaf and the Mechanism of Bolting Support

作　　者：高鹏飞[1] 曹伟康[1] 徐建文[1] 王平[1] 

机构地区：[1]中国矿业大学矿业工程学院,江苏徐州221116

出　　处：《煤》2010年第8期27-29,79,共4页Coal

基　　金："国家大学生创新性实验计划项目"大学生科技创新基金(091029001);中国矿业大学煤炭资源与安全开采国家重点实验室2007年开放基金(07KF04)

摘　　要：通过对沿空巷道顶板受力机理、煤柱二次受力分布以及岩体极限平衡的研究,初步确定了护巷窄煤柱的宽度,并用相关理论及模型给出了证明。运用锚杆支护围岩强度强化理论,揭示了锚杆支护机理,进一步明确了沿空掘巷窄煤柱宽度。Based on the study of the stress distribution in the roof and the distribution of quadratic force in the coal pillar and the theory of rock mass limit equilibrium,the width of narrow pillar can be figured out.The result can also be confirmed by relative theories and models.By using the theory of consolidating rock strength with bolt support,the mechanism is revealed that is controlling surround rock by bolt support,through which the width of narrow pillar can be figured out again.

关 键 词：沿空巷道 二次受力分布 极限平衡 锚杆支护 

分 类 号：TD353.6[矿业工程—矿井建设]