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Construction method of no-weight bracket on basis of software-assisted design for side-span cast-in-situ segment

A technology of auxiliary design and construction method, applied in the direction of computer-aided design, design optimization/simulation, calculation, etc., can solve the problems of long construction period, high cost investment, high safety risk, etc., to improve construction quality, ensure construction quality, The effect of reducing security risks

Inactive Publication Date: 2018-06-01
CHINA RAILWAY ERJU 1ST ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a construction method based on computer software-aided design for side-span cast-in-place sections without counterweight support, so as to solve the cumbersome construction process of the existing attached support counterweight construction method, long construction period, high safety risk and high cost. Invest in advanced questions

Method used

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  • Construction method of no-weight bracket on basis of software-assisted design for side-span cast-in-situ segment
  • Construction method of no-weight bracket on basis of software-assisted design for side-span cast-in-situ segment

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Embodiment

[0025] refer to figure 1 and figure 2 , the present embodiment provides a method for constructing side-span cast-in-place sections without counterweight brackets based on computer software-aided design, and the specific steps are as follows:

[0026] Step 1: If figure 2 As mentioned above, according to the side pier 1 of the main bridge and the cast-in-place section 2 of the side span, the attached support is designed, and the attached support adopts the triangular bracket platform 3 to determine the support platform plan on the side of the cast-in-place section. The specific plan is: A triangular bracket platform 3 is set across the side of the cast-in-place section, and a formwork platform 4 is erected horizontally on the upper end of the triangular bracket platform 3 to provide support for the construction of the side-span cast-in-place section. The height-adjustable formwork platform is preferred, and the triangular bracket platform 3 And the construction of formwork p...

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Abstract

The invention provides a construction method of a non-weighted bracket on the basis of a computer software-assisted design for a side-span cast-in-situ segment, and belongs to the technical field of bridge construction. The method includes the steps of simulating a force condition of a pier under the most unfavorable working condition of constructing the side-span cast-in-situ segment through MIDAS three-dimensional structural finite element mechanical analysis software, conducting feasibility and safety checking calculation according to an analysis result, and conducting construction of the non-weighted bracket for the side-span cast-in-situ section after the checking calculation is passed. The problems are solved that in existing attached bracket weight construction methods, the processis cumbersome, the construction period is long, the safety risk is high, and the cost investment is high.

Description

technical field [0001] The invention relates to a construction method for a continuous beam (rigid structure) bridge side span cast-in-place support, and belongs to the technical field of bridge construction. Background technique [0002] The construction of the cast-in-place section of the continuous (beam) rigid frame bridge with high piers on railways usually adopts two methods: the ground support method and the attached support method. The ground support is limited by the height of the pier and terrain conditions, and it is difficult to construct when the pier body is too high or the terrain at the pier location is complex; although the attached support method is not limited by the terrain conditions in construction, it is usually used in the construction of side pier approach bridges The eccentric load during the construction of the cast-in-place section of the side span is balanced by the counterweight on the side. The construction of this method is cumbersome, and the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/13G06F30/23G06F2119/06
Inventor 梁旋王国炜杨寒麻瑀向勇沈廷忠张兴愿唐志林谢锋雍婷婷赵瑞成波冯军张阳
Owner CHINA RAILWAY ERJU 1ST ENG