Anti-floating construction method of single-storey underground garage without pile foundation
A technology for underground garages and construction methods, which can be applied in infrastructure engineering, buildings where cars are parked, building types, etc., and can solve problems such as unsatisfactory effects and buoyancy.
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[0057] An anti-floating construction method for a single-story underground garage without a pile foundation, comprising the following steps:
[0058] (1) Seepage well construction, dewatering
[0059] The material for the well pipe should be a concrete pipe with a diameter of 300mm and a pipe length of 20m. The filter pipe is a sandless concrete pipe, and the surrounding area is filled with 3-15mm gravel and coarse sand as a filter layer, and it is backfilled with clay within 0.5m from the ground and compacted; Afterwards, a deep well submersible pump with a lift of 50T / h and 40m and a suction pipe are lowered into the drainage pipe with a Φ75mm drainage pipe, and discharged into the municipal pipe network after sedimentation;
[0060] The tube well is completed by high-pressure water flushing combined with mechanical drilling, and the upper 3.5m of the wellhead is sealed with clay;
[0061] Coarse sand is used for sand and gravel to prevent the mesh of the filter pipe from b...
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