Soft soil foundation consolidation method combining drainage pile loading prepressing and deep mixing piles
A technology for deep mixing piles and soft soil foundations, applied in soil protection, sheet pile walls, foundation structure engineering, etc., can solve the problems of large vertical settlement, weakened soft soil consolidation effect, long construction period, etc., and achieve shortening The effect of shortening the construction period, accelerating the consolidation rate, and improving the consolidation effect
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[0014] Such as figure 1 , 2 As shown, the specific process of the method for strengthening soft soil foundation with combined drainage preloading and deep mixing pile provided by the present invention is: in the soft soil foundation that needs to be reinforced, firstly set up around the soft soil reinforcement area 4 A circle of deep mixing piles 5 serves as the constraining boundary of the reinforcement area. If the area of the soft soil reinforcement area is large, vertical and horizontal deep mixing piles 5 can be built inside the soft soil reinforcement area 4 to divide the soft soil reinforcement area 4 into several reinforcement areas; Set up a solid drainage channel in the soft soil reinforcement area 4. The three-dimensional drainage channel is formed by connecting the horizontal drainage body 2 and the vertical drainage body 3. The horizontal drainage body 2 can be a sand cushion or a filter tube (in this embodiment, the sand cushion) , The horizontal drainage body 2 ...
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