真空排水预压加固软基是通过孔隙水压力的消散来增强土体的强度。
The strength of soil can be improved by dissipating the pore water pressure by means of vacuum drainage preloading.
采用考虑位移的土压力计算方法计算环向土压力，得出首节管道和后续管节最大土体反力的计算公式。
By considering displacement for calculating circular earth pressure, the maximal earth counterforce formulas for the heading and the latter pipelines are deduced.
堆载预压加固方法在加固过程中土体孔隙水压力的变化以及有效应力的增长都有特定的规律。
There are certain laws for the pore pressure change and the effective stress rising to treat soft soil foundation with surcharge preloading method.
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