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冷冻法在三山岛新立矿区的工程实践

Gold Science and Technology(2009)

Cited 1|Views14
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Abstract
在三山岛金矿新立矿区西风井的施工中,通过多开盐水泵、增加盐水循环速度,增加冻结孔个数、降低冷冻孔间距,增加盐水浓度、把盐水温度降低到凝固临界点等措施,顺利通过了第四纪砾砂富含卤水层。为工程和水文地质条件类似的工程,提供了宝贵的经验,值得条件类似的矿山借鉴。
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Key words
Frozen,Engineering practice,Western airshaft of Xinli,Quaternary gravel,Circle
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