深井软岩准备巷道中交岔点支护形式

The support form of cross site for soft rock tunnels in deep colliery-

通过与原有支护形式和使用效果的对比分析,阐明了全封闭 U 型钢支架壁后充填支护形式在小康矿深井软岩巷道交岔点支护中使用的适应性和良好的效益,并简述了这种支护形式的施工工艺。

—The application of all sealing U-type steel support with wall filling in the cross point between soft rock tunnels in deep depth in Xiaokang coal mine is dis- cussed.The construction technology of the support form is introduced.