将高强混凝土用于深厚表土层立井井筒工程中，能满足我国不断加深的钻井和冻结井筒建设的需要。
The use of high strength concrete in shaft lining of depth soil might meet with the constructive need of frozen and boring shafts.
冻结管射孔注浆是在对石油输油井射孔技术和地面注浆技术进行研究的基础上，开发出的一种用于煤矿冻结井筒围岩加固和堵水的全新技术。
Cement injection of perforating holes in a frozen pipe is a wholly new technology for consolidating shaft wall rock and stopping water of frozen shafts in coal mines.
在井筒的几何尺寸及温度变化值确定的情况下，冻结立井随着表土段深度的增加，破裂的可能性在随之增大。
With the geometrical size and temperature exchange value of the mine shaft, the possibility of the cracking on the mine freezing shaft would be increased with the depth of the overburden.
应用推荐