Variety rules of concrete strain of outer shaft wall were carried out based on in-situ measurement during freeze sinking of Longgu Mine auxiliary shaft.
通过龙固副井冻结凿井期现场实测，获得了龙固副井外层井壁混凝土应变的变化规律。
The engineering design of freeze sinking in shaft of Xinghua Coal Mine is introduced and the causes for its failure are analyzed.
介绍了邢台兴华煤矿井筒冻结施工工程设计及冻结失败原因分析。
In the artificial freezing shaft sinking project, the freeze design is a core technology, which relates to the entire freezing project success or failure.
冻结设计是人工冻结法凿井工程技术核心，关系到整个冻结工程的成败。
应用推荐