![]() For well point drainage, the major measurement is to use well holes to pump the groundwater in the foundation. However, this method is time-consuming and labor-intensive with less efficiency. ![]() The pumping machine is used to continuously discharge the groundwater from the connecting wells to dry the soils in the surface areas. For the ditch drainage method, the major measurement is used to construct the drainage ditches and connecting wells. It is common to apply a ditch drainage method or well point drainage method to lower the groundwater level. In addition, the siphon drainage method is proven the effective in soft soil foundation treatment by a field test in Zhoushan, Zhejiang Province. The results show that: (a) The siphon drainage method can accelerate the consolidation by lowering the groundwater level (b) The larger the soil permeability is, the faster the pore water pressure decreases (c) Adopting 1 m hole-spacing in the siphon drainage is much more efficient than methods which have a 2 m hole-spacing. ![]() In addition, the effects of soil permeability and drainage hole spacing on its application efficiency have been studied. ![]() Numerical simulations are conducted to verify the feasibility of the siphon drainage method on soft soil treatment. Compared to other drainage methods, the siphon drainage method is power-free, environmental-friendly, and highly efficient. In this study, a novel siphon drainage method is used as the drainage consolidation method to lower the groundwater level. The drainage consolidation method can reduce porosity to consolidate soft soils. ![]()
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