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Construction method for hoisting platform steel upright post

A construction method and technology for steel columns, which are applied to columns, piers, pillars, etc., can solve the problems of long hoisting time, large number of personnel, time-consuming and labor-intensive, etc., and achieve the effects of enhanced safety, simple and convenient operation, and simple equipment.

Inactive Publication Date: 2020-08-07
CHINA RAILWAY SIXTH GROUP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the surveyors use the measuring instruments to check the elevation and verticality, it is obvious that this positioning method requires a large number of personnel, takes a long time for hoisting, is time-consuming and laborious, and has a high possibility of deviation

Method used

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  • Construction method for hoisting platform steel upright post
  • Construction method for hoisting platform steel upright post
  • Construction method for hoisting platform steel upright post

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Embodiment Construction

[0021] The construction method for hoisting the platform steel column provided by the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0022] Now take the reconstruction project of a railway station in a certain city as an example: the railway station is located in the center of the urban area, the newly built canopy steel structure covers an area of ​​43754.3m2, and the total width is 114.6m. The east-west directions PA, PB, PC, PD has four axes, 18 axes in the north-south direction, with a total length of 381.8m. The vault elevations of the canopy are 14m and 16.8m respectively, and the corresponding steel column top elevations are 17m and 19.8m (P7-P9 axis and P10-P12 axis) respectively.

[0023] Such as Figure 1 to Figure 3 As shown, the construction method of platform steel column hoisting provided by the invention comprises the following steps carried out in order:

[0024] 1) Before the stee...

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Abstract

The invention discloses a construction method for hoisting a platform steel upright post. The construction method comprises the following steps of: connecting the steel upright post and a post foot plate; marking longitudinal and transverse ink lines on the surface of a top surface steel plate in a bearing platform embedded part; screwing an adjusting nut on an embedded bolt of the bearing platform embedded part; hoisting the steel upright post; correcting the verticality of the steel upright post; accurately adjusting the verticality and the elevation of the steel upright post; and fixing theadjusting nut to form a grouting layer and the like. The construction method for hoisting the platform steel upright post has the advantages of simple operation process and used equipment, easily andaccurately controlling the hoisting positions of the steel upright post and the bearing platform embedded part in the construction process, avoiding the defects of the conventional method by adoptinga stable hoisting technology, ensuring the stability and the accuracy of the hoisting of the steel upright post, ensuring simple and convenient operation in the construction process, enhancing the safety of construction operation, reducing construction risks, reducing equipment investment and improving construction efficiency.

Description

technical field [0001] The invention belongs to the technical field of railway engineering construction, in particular to a construction method for hoisting platform steel columns. Background technique [0002] Since the steel structure itself has basic characteristics such as a high degree of industrialization, energy saving and environmental protection, good seismic performance, fast construction speed, light weight and high strength, it has a very important application in the field of construction engineering, so Therefore, the hoisting construction technology of steel structure is also required to be more perfect and the safety factor is higher. [0003] As the important structural body of the building, the steel column is usually hung by a crane during installation, and then the on-site construction personnel instruct the crane driver to carry out the hoisting of the steel column, but each adjustment requires multiple construction personnel to use crowbars , Wooden sti...

Claims

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Application Information

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IPC IPC(8): E04C3/32E04G21/16E04G21/18
CPCE04C3/32E04G21/162E04G21/1841
Inventor 于海晓
Owner CHINA RAILWAY SIXTH GROUP
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