【作者】 邵鹏； 赵国彦； 姚金蕊； 杨俊华；

【Author】 Shao Peng , Zhao Guoyan , Yao Jinrui , Yang Junhua ( School of Resources and Safety Engineering,Central South University,Changsha ,Hunan 410083,China; Mine Company of Kailin Group,Guiyang,Guizhou 550030,China)

【机构】 中南大学资源与安全工程学院； 贵州开磷集团矿业总公司；

【摘要】 分析了钢纤喷射维混凝土和挂网喷射混凝土的巷道支护机理,提出两种支护方法的力学模型,并对其抗拉能力进行了计算与比较,证明了钢纤维砼替代挂网砼的可行性。更多还原

【Abstract】 Tunnel supporting mechanisms of steel - fiber spray concreter and the mesh spray concreter are analyzed. Two mechanical models of them are put forward. The tensile strengths of the two models are calculated and compared. And the feasibility of steel - fiber spray concreter superseding the mesh spray concreter is proved.更多还原