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。
In the artificial freezing shaft sinking project, the freeze design is a core technology, which relates to the entire freezing project success or failure.
开展人工冻结岩石的试验研究，探讨冻结岩石的相关物理力学特性对井筒冻结设计具有重要的指导意义。
Developing the experimental study of artificial freeze rock, and discussion about physical and mechanics characteristic of freezing rock, have the important guiding sense to the shaft freeze design.
赵固二矿风井筒穿过的冲积层厚度达到528.85 m，地质、水文地质条件复杂，冻结设计和施工难度较大。
The alluvium thickness of air shaft in Zhaogu No. 2 Coal Mine is up to 528.85 m. The geologic and hydrographic conditions are complex, so it is very difficult for freezing design and construction.
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