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A staggered installation and welding method for the steel structure platform of a steelmaking tower

A technology for installing welding and steel structure, applied in building construction, building material processing, construction and other directions, can solve the problems of welding shrinkage deformation, vertical deviation of steel structure steel column, etc., to reduce the use of man-hours and reduce engineering costs , the effect of reducing security risks

Active Publication Date: 2019-08-06
CHINA MCC17 GRP
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Problems solved by technology

[0004] The purpose of this invention is to solve the method of controlling the installation and welding of the platform to improve the installation and welding of the steel structure in view of the verticality deviation of the steel column and the welding shrinkage caused by the concentrated welding stress in the traditional installation and welding process of the multi-layer steel structure of the steelmaking tower. efficiency, quality stability and reduction of operational safety risks

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  • A staggered installation and welding method for the steel structure platform of a steelmaking tower
  • A staggered installation and welding method for the steel structure platform of a steelmaking tower
  • A staggered installation and welding method for the steel structure platform of a steelmaking tower

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Embodiment Construction

[0036] In order to further describe the present invention, the present invention will be further described below in conjunction with implementation and accompanying drawings.

[0037] Such as Figure 1 to Figure 4 As shown, a method for staggered installation and welding of the steel structure platforms of a steelmaking tower in the present invention utilizes the supporting effect of the intermediate platform during the installation of the interlayer platform to resist welding deformation due to welding concentrated stress. The construction steps are as follows:

[0038] Step 1. Construction preparation

[0039] a. Measure and set out, use theodolite and level to retest the steel column foundation 1. Retesting is the premise to ensure the installation quality of the verticality of the steel column, and then measure and release the vertical and horizontal centerline of the steel column foundation 1;

[0040] b. Components enter the site for acceptance, check the components ent...

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Abstract

The invention discloses a staggered installation welding method for steel structure platforms of a steelmaking tower building. The supporting effect of a middle platform in the installation process of an interlayer platform is used, and welding deformation generated by welding concentrated stress is resisted. The method comprises the steps of construction preparation, wherein basic repetition measurement and repetition measurement of component when a worker enters a construction site are conducted; installation of a lower platform and components, wherein firstly steel columns are installed, then a first-layer platform and a second-layer platform are installed in sequence, and after installation of the second-layer platform is completed, the first-layer platform is welded; installation of an upper platform and components, wherein upper columns are installed, then third-layer platform components are installed, after installation is completed, the second-layer platform is welded, and installation and welding are conducted upward in the above mode. According to the staggered installation welding method, the orderly process of installation and welding is guaranteed, and meanwhile the construction efficiency and installation precision are improved.

Description

technical field [0001] The invention relates to the technical field of construction, in particular to a method for staggered installation and welding of steel structure platforms of steelmaking towers. Background technique [0002] At present, there are many high-rise buildings with all-steel structures in China, which are mainly used in exhibition centers, grand theaters, gymnasiums and individual commercial buildings. The high-rise steel structures constructed by the metallurgical system are mainly concentrated in the converter and blast furnace areas, with a height of about 60m or 80m. The steel structure platform of the converter system is characterized by many floors and large height difference, and heavy equipment is arranged in a concentrated manner. The comprehensive progress of the steel structure installation of the converter system directly affects the installation efficiency of the steelmaking system. [0003] Generally speaking, the process steel structure in t...

Claims

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Application Information

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IPC IPC(8): E04G21/14
CPCE04G21/14
Inventor 孔炯金仁才朱红刚周金龙施光涛徐峥吴名陈志郑治飞汪柱兵琚志海郭建华
Owner CHINA MCC17 GRP
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