Construction method of beam-slab tower crane foundation structure

A technology of tower crane foundation and construction method, applied in the direction of foundation structure engineering, construction, etc., can solve the problems of not being economical, safe and reliable, etc.

Inactive Publication Date: 2021-01-12
SHANGHAI CONSTR NO 1 GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of the fact that the existing tower crane foundation structure has certain defects in the force and is not economical, safe and reliable...

Method used

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  • Construction method of beam-slab tower crane foundation structure
  • Construction method of beam-slab tower crane foundation structure
  • Construction method of beam-slab tower crane foundation structure

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Embodiment 1

[0023] Please refer to Figure 1 to Figure 3 , this embodiment provides the construction method of the beam-slab tower crane foundation structure of the present invention.

[0024] The construction method includes:

[0025] Step S1 determines the plane position of the tower crane according to the site conditions and hoisting requirements, and constructs the supporting columns 4 in the foundation structure of the tower crane, and the supporting columns 4 are distributed in four corners.

[0026] Step S2 lays the base film of the support beam 3 above the support column 4, binds the steel bars of the support beam 3, accurately locates and installs the tower crane base 1 and its connectors according to the design requirements, and the connectors are usually high-strength bolts or foundation anchors of the tower crane.

[0027] Step S3 constructs the side form of the support beam 3, and constructs the bottom form of the cap plate 2 above the support beam 3;

[0028] Step S4 binds...

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Abstract

The invention belongs to the technical field of constructional engineering construction, and particularly relates to a construction method of a beam-slab tower crane foundation structure. The method is used for solving the problems of bearing capacity and safety of the existing tower crane foundation structure. The construction method comprises the steps that 1, supporting columns in a tower cranefoundation structure are constructed, and the supporting columns are distributed at four corners; 2, a bottom film of a supporting beam is paved above the supporting column, binding reinforcing steelbars of the supporting beam, and a tower crane base and connecting pieces thereof are accurately positioned and mounted; 3, a side die of the supporting beam is constructed, and a bottom die of the bearing platform plate is constructed above the supporting beam; and 4, steel bars of the bearing platform plate are bound, concrete of the supporting beam and the bearing platform plate is integrallypoured after mold sealing, and tower crane foundation structure construction is completed. The supporting beams are used as vertical bearing components of the tower crane foundation, the bearing platform plates and reinforcing steel bars on the upper portions of the supporting beams are used for resisting tension together, the material structure consumption of the tower crane foundation is reducedwhile the integrity of the tower crane foundation is guaranteed, and cost is saved. The bearing platform plate is used for providing safety protection for operators below the tower crane foundation.

Description

technical field [0001] The invention belongs to the technical field of building engineering construction, and in particular relates to a construction method of a beam-slab type tower crane foundation structure. Background technique [0002] In the field of foundation pit engineering, floor-to-ceiling tower crane foundations are usually used, and platform-capped foundations, cross beams, etc. are mainly used. The platform is an ultra-thick slab structure, which has excellent integrity but consumes a lot of concrete materials. Beam-type tower crane foundations such as cross beams mainly use beams as load-bearing structures, and the foundation beams basically bear the load independently, so there is a situation of poor integrity; due to the long-term cycle operation of the tower crane, a local problem on one beam is likely to cause damage to the entire foundation beam. In addition, construction work is usually required under the tower crane foundation, and the voids between th...

Claims

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Application Information

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IPC IPC(8): E02D27/42E02D27/44
CPCE02D27/42E02D27/44E02D2250/0023
Inventor 曾树平陈志强周炯徐磊梅杰沈强
Owner SHANGHAI CONSTR NO 1 GRP
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