Abstract
The groundwater control system of complex deep foundation pit engineering is designed based on experience and analysis of items such as dewatering, anti-inrushing, water-recharging, etc. Three-dimensional numerical simulation methods are used to optimize the design. By repeatedly adjusting the design items and simulating the working system, a safer, more reasonable and economical design scheme can be confirmed by comparing the analysed results.
Highlights
Super high-rise building projects often entail the large-scale deep and complicated foundation pit
The three-dimensional numerical simulation method is believed to be the basic theory of optimization design of engineering structures of dewatering in deep foundation pit
The whole area of the foundation pit is about 26260 m2, the foundation pit of Area I is 23430 m2, and the area of Area II is 2830 m2
Summary
Super high-rise building projects often entail the large-scale deep and complicated foundation pit. Dewatering is widely used to reduce the piezometric levels around foundation pits while these pits excavating; if improperly handled, it can cause land subsidence, geological disasters, and major security incidents. Design and optimization of dewatering to these complicated foundation pits are difficult and complicated. The three-dimensional numerical simulation method is believed to be the basic theory of optimization design of engineering structures of dewatering in deep foundation pit
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