小型挖掘机在井筒冻结段中的运用

Small Excavators in the Wellbore to Freeze the Application of Paragraph

随着井筒冻结表土段施工速度的不断提高,以往的冻结表土段人工施工难以满足目前的要求,而小型挖掘机在井筒冻结表土段的使用提高了施工进度,创造了一定的经济效益。

With the construction of the shaft freeze topsoil continuously improve the speed of the past, the freezing of the construction of the topsoil be difficult to meet the current requirements, and the small excavators in the topsoil of the shaft freeze the use of increased construction progress, and create a certain economic benefits.