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Assembling and positioning construction method of large steel casting members

A construction method and technology of steel castings, applied in building structure, processing of building materials, construction, etc., can solve problems such as difficulty in improving precision and inability to guarantee construction quality

Inactive Publication Date: 2011-06-22
SHANGHAI MECHANIZED CONSTR GRP
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the assembly and welding between large steel castings and steel castings in the prior art, especially the difficulty in improving the precision of a huge special-shaped steel casting structure composed of multiple steel castings and the construction quality. For problems that cannot be guaranteed, a construction method for assembling and positioning large-scale cast steel components is provided

Method used

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  • Assembling and positioning construction method of large steel casting members
  • Assembling and positioning construction method of large steel casting members
  • Assembling and positioning construction method of large steel casting members

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Embodiment Construction

[0012] (1) For the pre-assembly of steel castings, lay steel plates in the effective area of ​​assembly, fix the support on the steel plate and calibrate the projection coordinate position, place steel on the steel plate along the support, and connect them into a whole, (2) Set up a flat tire frame on the ground, assemble the adjacent steel castings on the ground, and weld the joint splicing plate, weld and install the lifting lugs at the appropriate positions on the surface of the steel castings, and weld the upper end of each steel casting (3) Set up the scaffolding first before assembling. The scaffolding is provided with a platform at the corresponding height. (4) Determine the position of the support node between the steel casting and the ground according to the size of the drawing, and project the first piece on the ground at the same time. The position of the uppermost inner point, (5) When the first section of cast steel members are in place, first select one of them as...

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Abstract

The invention relates to an assembling and positioning construction method of large steel casting members, which comprises the steps of: after the manufacturing of the steel casting members are completed, pre-assembling the steel casting members in the processing field so that the flaws in entire appearance and the difficulties in assembling process can be amended and solved in factory, and then guaranteeing the overall installation precision of the whole steel casting structure in the construction field through specific measurement and positioning installation technology. The construction technology can greatly solve the problem about the assembling precision of medium / large steel casting members, is favorable for the construction of similar structures in the future, and achieves the purpose of quickening construction progress, improving project quality, guaranteeing construction safety and effectively saving economical cost.

Description

technical field [0001] The invention relates to a construction method for assembling and positioning large cast steel components. Background technique [0002] With the economic development of our country, large-scale buildings came into being, and more and more buildings with steel structures rose from the ground. During construction, the assembly and positioning of steel structures is an important engineering node. The previous steel structures Relatively regular, generally I-beam, its connection and positioning are relatively easy and mature. In the current installation and construction of steel structures, the connection between small steel castings and general components is relatively common, but there are some large steel castings and steel castings that are assembled and welded, especially with multiple steel castings. It is even rarer to form a huge special-shaped cast steel structure, which is a construction difficulty that needs to be solved urgently. Invention ...

Claims

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Application Information

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IPC IPC(8): E04G21/14
Inventor 陆祥龙倪秦慧郭磊
Owner SHANGHAI MECHANIZED CONSTR GRP
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