U型钢异型梁在丁字口支护的应用  

Application of U-shaped Steel Beam Supporting the T-shaped Area

作　　者：李书田[1] 黄海平[1] 张宏军[1] 侯红伟[1] 

机构地区：[1]郑煤集团新密分公司,河南新密452370

出　　处：《煤》2010年第3期15-16,共2页Coal

摘　　要：传统的U型钢支护巷道在丁字口施工中,由U型钢变为工字钢支护,抬门后恢复正常掘进,介绍了U型钢异型梁的加工、架设、加固及应用效果,实践证明可以取代传统施工工艺,且有操作简单、支护强度大、断面利用率高等特点,有一定的借鉴价值。The traditional U - shaped steel roadway construction in the T - shaped mouth, from U into steel I - beam supporting, lifting the door back to normal tunneling. This paper introduced the U - shaped steel beam processing, erection, reinforcement and application of results in practice proved to be to replace the traditional construction process, and it is easy, supporting strength, cross - section and high utilization, there is a certain reference value.

关 键 词：U型钢 异型梁 丁字口 应用 

分 类 号：TD355.2[矿业工程—矿井建设]