Slip-casting lifting method for city tunnel passing through existing buildings
A grouting lifting and building technology, applied in construction, infrastructure engineering, soil protection and other directions, can solve existing buildings (structures) to achieve dynamic control without system method, pile end bearing capacity loss, weakened pile problems such as lateral constraints, to achieve the effects of high construction efficiency, reduced differential settlement, and inhibition of subsequent settlement
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 The present invention will be described in detail below with reference to the drawings and specific embodiments.
 This example adopts the technical scheme of the present invention for construction, and provides detailed implementation and specific operation procedures, but the protection scope of the present invention is not limited to the following examples.
 Take a residential building underneath a tunnel in a certain city as an example. The residential building was built in 1994 and is a brick-concrete residential building. Its foundation is a mortared whole rubble foundation with a buried depth of 1.5m. The 7-story building has a total height of 20.1 meters and a rectangular plan shape with a length of 56 meters and a width of 10.5 meters. The first floor is a storage room with a height of 2.1 meters, and the other floors are 3.0 meters high. The surrounding rock of this section of the tunnel belongs to Grade VI, with no self-stabilization ability, and t...
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