Surface-layer fast solidification method for soft foundation with dredger soil
It is a technology of filling mud and soft foundation by dredging, which is applied in infrastructure engineering, soil protection, construction, etc. It can solve the problems of large amount of admixture, high cost, and large construction risk, so as to reduce the cost of auxiliary engineering measures, Reduce engineering costs and realize the effect of waste utilization
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Embodiment 1
[0029] Embodiment 1, a kind of surface rapid consolidation method of dredging mud soft foundation, its steps are as follows:
[0030] (1) Establish construction passages: Designate a dredging and filling silt reinforcement area with an area of 200-1000 square meters as the construction area, and build safe construction passages around the construction area. The construction passages use positioning piles and foam fixed on the positioning piles block made;
[0031] (2) Laying non-woven fabrics, drainage boards and filter pipes: Lay 2 layers of non-woven fabrics on the mud surface in the construction area, each layer of non-woven fabrics is wrapped with plastic woven cloth and sewed for reinforcement; lay the first layer of non-woven fabrics After weaving, pass through the first layer of non-woven fabric and insert plastic drainage boards on the silt, the insertion distance is 0.4-1.0 meters, and the depth is 0.5-1.5 meters; In the length direction of the area, a filter tube ...
Embodiment 2
[0036] Embodiment 2, in the rapid consolidation method of the surface layer of the dredged silt soft foundation described in Embodiment 1: the thickness of the air-tight membrane laid is 0.2 mm.
Embodiment 3
[0037] Embodiment 3, in the surface rapid consolidation method of dredging and filling silt soft foundation described in embodiment 1: during the drainage consolidation process, the vacuum degree under the air-tight membrane is not less than 80Kpa.
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Abstract
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Application Information
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