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当地铁车站处于高地下水位中时,应验算其抗浮稳定性,尤其是当车站结构尺寸大且体形复杂、底板埋深较深但顶板覆土较浅,抗浮设计成了设计的重中之重。本文系统介绍了常见地铁车站的抗浮措施,结合具体工程,分析了各抗浮措施的适用性,比较了抗拔桩和压重法,进行了计算,可为地铁车站设计提供指导。
When the subway station is in the high groundwater level, it should be checked its anti-floating stability, especially when the station structure size and complex shape, deep floor depth but shallow covering the roof, anti-floating design has become the focus of the design weight. In this paper, the common anti-flooding measures of metro stations are introduced systematically, and the applicability of each anti-flooding measure is analyzed in combination with specific projects. The anti-lifting pile and pressure-weight method are compared and calculated, which can provide guidance for metro station design.