防治深孔钻孔偏孔及检测方法

Measures prevent deviation of deep drilling and test method

以馋柳高速公路土家湾隧道旋喷钻孔施工工程为例 ,从深孔钻孔垂直度的控制、钻孔施工中出现的问题及处理措施等方面作了介绍 ,并提出了一种简易的检测方法。

Taking rotating injection drilling construction work of Tujiawan Tunnel in Chanliu Expressway as example introduction is made according to verticality control, problems existed in drilling construction and corresponding treatment measures. Moreover a simple test method is proposed.