隧道初期支护施工技术研究

Study on preliminary support construction technologies of tunnel

介绍了隧道初期支护的作用,通过分析隧道初期支护中常见的问题,从锚杆、钢拱架、钢筋网片、喷射混凝土等方面,阐述了隧道初期支护施工技术要点,旨在保证隧道运营的安全性。

The paper introduces the role of preliminary support of tunnel. Through analyzing common preliminary support problems of tunnel,starting from aspects of anchorage,steel arch truss,steel piece and spraying concrete,it describes preliminary support construction technology points of tunnel,with a view to guarantee the tunnel operation safety.