The engineering design of freezesinking 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。
2
Variety rules of concrete strain of outer shaft wall were carried out based on in-situ measurement during freezesinking 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。
3
In the artificial freezing shaft sinking project, the freeze design is a core technology, which relates to the entire freezing project success or failure.