吉随旺, 张倬元. 2001: 降水预压软基处理技术中孔隙水压力效应研究. 工程地质学报, 9(4): 368-372.
    引用本文: 吉随旺, 张倬元. 2001: 降水预压软基处理技术中孔隙水压力效应研究. 工程地质学报, 9(4): 368-372.
    JI Suiwang, ZHANG Zhuoyuan. 2001: STUDY ON THE EFFECT OF PORE WATER-PRESSURE IN TECHNOLOGY OF DEWATERING SOFT SOIL FOUNDATION TREATMENT. JOURNAL OF ENGINEERING GEOLOGY, 9(4): 368-372.
    Citation: JI Suiwang, ZHANG Zhuoyuan. 2001: STUDY ON THE EFFECT OF PORE WATER-PRESSURE IN TECHNOLOGY OF DEWATERING SOFT SOIL FOUNDATION TREATMENT. JOURNAL OF ENGINEERING GEOLOGY, 9(4): 368-372.

    降水预压软基处理技术中孔隙水压力效应研究

    STUDY ON THE EFFECT OF PORE WATER-PRESSURE IN TECHNOLOGY OF DEWATERING SOFT SOIL FOUNDATION TREATMENT

    • 摘要: 降水预压是通过降低地下水位而加固软土地基的一种软基处理技术。这项处理技术的中孔压变化与堆载预压的孔压变化有所不同, 它是在通过降水减小静水压力增大有效正应力, 从而使土体固结沉降。通过上海浦东某工程降水预压试验的孔压测试, 本文分析了降水预压加固软土地基原理及孔隙水压力效应。

       

      Abstract: Dewatering is a new technology in soft soil foundation treatment. By dewatering, hydrostatic pressure decreases and effective normal stress correspondingly increases. Then the soft soil is consolidated and subded . In this paper, by analyzing pore-water pressure monitoring data of the dewatering and preloading test on a project in Pudong , the mechanism and pore water effect of dewatering foundation reinforcement are briefly discussed.

       

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