Anti-crack and anti-leak construction method of arranging tower crane foundation below waterproof baseplate

Abstract

The invention provides an anti-crack and anti-leak construction method of arranging a tower crane foundation below a waterproof baseplate, which is characterized in that the anti-crack and anti-leak construction method adopts the following steps: 1) constructing the tower crane foundation; 2) mounting a tower crane, and then constructing a flexible mat layer, a concrete mat layer, a waterproof layer, a waterproof protective layer and the waterproof baseplate from top to bottom around the tower crane foundation, wherein the bottom surface of the flexible mat layer is leveled with the top surface of the tower crane foundation; 3) adopting pure soil for tamping and filling in the range of the tower crane foundation, then using C20 anti-leak concrete for sealing from the center of the tower crane to the periphery, carrying out calendering and anti-leak treatment, and making a 1-5% drainage slope; 4) arranging stress inducing joints of extruded polystyrene boards on the edge outside the drainage slope and the periphery of the tower crane, and further using a weather-proofing silicone sealant for tight caulking; and 5) dismantling the tower crane after completing the construction of a building, and using two layers of coiled materials for making an reinforcing waterproof layer in the range of the tower crane foundation. The anti-crack and anti-leak construction method can effectively solve the different settlement problem between the tower crane foundation and the waterproof baseplate, the problem of producing negative bending moment above the tower crane foundation, the waterproofing failure problem and the water accumulation settlement problem of the tower crane foundation.

Description

technical field [0001] The invention provides a crack control and anti-seepage construction method for a tower crane foundation arranged under a waterproof base plate, belonging to the technical field of building construction. technical background [0002] The traditional setting of the tower crane foundation in the waterproof floor is to directly set the tower crane foundation in the waterproof floor. During the operation of the tower crane, there will be problems such as settlement differences between the tower crane foundation and the waterproof floor, and the negative bending moment of the tower crane foundation on the anti-seepage floor. The joint of the waterproof bottom plate is broken and the coiled material between the tower crane foundation and the waterproof bottom plate is waterproof and broken, resulting in leakage of the waterproof bottom plate, which directly affects the waterproof effect of the waterproof bottom plate. Contents of the invention [0003] The...

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Problems solved by technology

[0002] The traditional setting of the tower crane foundation in the waterproof floor is to directly set the tower crane foundation in the waterproof floor. During the operation of the tower crane, there will be problems such as settlement differences between the tower crane foundation and the waterproof floor, and the negative bending moment of the tower crane foundation on the anti-seepage floor. The joint of the waterproof bottom plate is broken and the coiled material between the tower crane foundation and the waterproof bottom plate is waterproof and broken, resulting in leakage of the waterproof bottom plate, which directly affects the waterproof effect of the waterproof bottom plate

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