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推导了深层搅拌桩止水帷幕水泥掺入比计算公式。简要地对比分析了相邻桩之间不同视搭接宽度的两种方案。提出了仅考虑主动土压力作用情况下止水帷幕厚度计算方法。给出了止水帷幕与支护桩之间的距离及桩间土保护措施的建议。
The calculation formula of cement incorporation ratio of deep mixing pile water stopping curtain is deduced. The two schemes of different visual overlap width between adjacent piles are briefly compared. The method of calculating the thickness of the water-stop curtain under the action of active earth pressure is proposed. The suggestions of the distance between the curtain and the supporting pile and the soil protective measures between the piles are given.