On this basis, it presents the improved deign formula of dewatering. Applying this formula, it can make the wellpointdewatering design more rational, convenient and speedy.
据此，提出了改进的降水设计公式，应用该公式将使得井点降水设计更为合理方便、快捷。
2
Terzaghi, the mechanism of improving the soft ground by vacuum well-pointdewatering and preloading and the change of effective stress and effective reinforcement depth were studied.