锚注支护在修护破损巷道中的应用

Application of bolting and shotcreting technology in mending the destroied tunnel

主要介绍施工祁南矿中央风井二期工程时 ,采用锚注法技术修护破损变形的回风总巷 ,成功地阻断了巷道变形 。

This article mainly introduces the second period project main wind well in Qinan mining area, which is succeeded in resisting tunnel deformation and at the same time ensure the ability of producing and ventilating with repairing the destroied tunncel with bolting and shotcreting technology.