The security of freezing wall is the key problem of freezing shaft sinking in deep alluvium.
冻结壁的安全性是深厚冲积层中冻结凿井的关键问题。
Moreover, relation between temperature of cold media, freezing time and the thickness of freezing wall is analyzed.
此外，还分析了冷媒温度、冻结时间和冻结壁厚度的关系。
The design of freezing wall is the base of arrangement of freezing hole design and other freezing technical parameter design.
冻结壁设计是冻结孔布置设计和其他冻结技术参数设计的基础。
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