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Installation construction method of roof lattice shell structure without supports and cantilevers

A construction method and a support-free technology, which can be used in building construction, construction, and building materials processing, etc., can solve the problem of high cost, and achieve the effect of fast installation speed and saving construction period.

Active Publication Date: 2014-08-13
浙江国盛钢结构有限公司
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  • Abstract
  • Description
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Problems solved by technology

[0003] The present invention aims at the problem that many construction tools and sliding track equipment are needed in the prior art, and the cost is high, and provides a roof reticulated shell structure cantilever installation and construction method without support

Method used

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  • Installation construction method of roof lattice shell structure without supports and cantilevers
  • Installation construction method of roof lattice shell structure without supports and cantilevers
  • Installation construction method of roof lattice shell structure without supports and cantilevers

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with the drawings and embodiments.

[0020] A construction method for cantilever-free installation of reticulated roof shell structure without support, including the following steps:

[0021] Step (1) Installation of embedded parts

[0022] According to the requirements of the design drawings, the embedded parts are embedded in accordance with the position and positioning dimensions of the drawings. The embedded parts are controlled by the positioning template to prevent the displacement of the embedded parts during the concrete pouring process, which will adversely affect the installation of the reticulated shell. The formwork is permanently fixed with a fixed bracket; after the embedded parts are positioned, the measurement review is carried out immediately. After the specifications and design allowable deviation requirements are met, the concrete pouring construction is carried out, and the axis size and e...

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Abstract

The invention provides an installation construction method of a roof lattice shell structure without supports and cantilevers. An existing installation method needs a plurality of installation tools and scaffolds, and is high in working cost and low in speed. The method provided by the invention comprises the following steps of installing built-in fittings on the ground, permanently fixing the built-in fittings, then assembling lattice shells on the ground, lifting the lattice shells by using a truck crane for the installation of a first block lattice shell, completely installing the first block, installing the left blocks in sequence. The method has the following advantages that the lattice shells are spliced on the ground according to a design; the truck crane lifts the cantilevers to install all the lattice shells without the need of using large lifting equipment and the scaffolds; the internal parallel work is not influenced; in construction, the work at multiple aspects is implemented, and multiple types of work are simultaneously and crossly constructed; therefore the construction period is shortened greatly, and the installation speed is high.

Description

Technical field [0001] The invention relates to a building construction method, in particular to a support-free cantilever installation construction method of a roof net shell structure. Background technique [0002] Most of the roof structures of coal storage and material storage facilities in thermal power plants use bolted spherical reticulated shell structures. Because the installation of large-scale equipment foundations and coal shoveling transportation systems in the coal yard has been completed or synchronized before the construction of the upper reticulated shell, full scaffolding is used at high altitude Bulk method, scaffold slip method and integral jacking method cannot be implemented. However, the construction of reticulated shell piece by piece accumulation slip method requires more construction tools and sliding track equipment, which is costly and is not the best construction method. Summary of the invention [0003] Aiming at the problem that the prior art require...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04G21/14
Inventor 徐国引赵民华
Owner 浙江国盛钢结构有限公司
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