Technical Analysis on High-Rise Building Foundation Engineering Construction in Confined Aquifer
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摘要: 论述了承压水对高层建筑基坑支护、桩基础、抗浮锚杆(桩)施工的不利影响。结合工程实例,介绍了喷射注浆止水墙处理承压水的设计方法,并分析了总施工顺序、涌水钻孔处理和地下水水位观测等关键技术问题。Abstract: The unfavorable effects of confined water were discussed briefly on the construction of foundation pit support, pile foundation and anti-float anchor (pile) for high-rise building. Combined with a engineering project, the design method of jet grouting cut-off wall in confined aquifer was elaborated. Key techniques, such as general construction sequence, treatment of gushing water in prospect hole and ground water--level observation, were also analysed in this Paper.
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Key words:
- confined water /
- jet grouting cut-off wall /
- dewatering /
- foundation pit support
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