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Steel and concrete combined beam integration prefabricating method

A steel-concrete composite beam and composite beam technology, applied in bridges, manufacturing tools, bridge parts, etc., can solve the problems of inconsistent stress state and design, poor forming effect, long prefabrication period of steel-concrete composite beam bridges, etc. Improve overall quality and prefabrication accuracy, speed up construction, and improve efficiency

Inactive Publication Date: 2020-02-07
四川路桥华东建设有限责任公司
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Problems solved by technology

[0007] Therefore, in order to solve the above-mentioned deficiencies, the present invention provides a method for the integrated prefabrication of steel-concrete composite girders; it mainly solves the problems of long prefabrication period of steel-concrete composite girder bridges, difficulty in linear control, difficulty in erection and splicing, poor forming effect, Inconsistency between the stress state and the design

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  • Steel and concrete combined beam integration prefabricating method
  • Steel and concrete combined beam integration prefabricating method
  • Steel and concrete combined beam integration prefabricating method

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Embodiment Construction

[0021] The following will be combined with Figure 1-Figure 5 The present invention is described in detail, and the technical solutions in the embodiments of the present invention are clearly and completely described. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0022] The present invention provides an integral prefabrication method of steel-concrete composite beams through improvement, which is characterized in that: the main operation steps of the prefabrication method are as follows:

[0023] Step 1. Stakeout is carried out in the prefabricated site according to the plane position of the composite beam, and the assembly platform is arranged, and the platform ensures a uniform elevation (keep level...

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Abstract

The invention discloses a steel and concrete combined beam integration prefabricating method. The method mainly solves the problems that a steel and concrete combined beam is long in bridge type prefabricating period, line type control difficulty is large, erecting splicing is difficult, forming effect is poor, and stress state and design are not consistent. A novel factorization and assembling construction manner is provided. An integration steel structure bed-jig is adopted for pre-splicing, one-span pouring is carried out, the whole line type is ensured, meanwhile, concrete shrinkage and creep are kept consistent, the whole quality and the prefabrication precision are improved, the construction is quickened, and the effect is improved.

Description

technical field [0001] The invention relates to the field of prefabrication of steel-concrete composite beams, in particular to a method for integral prefabrication of steel-concrete composite beams. Background technique [0002] At present, the conventional process for the prefabrication of steel-concrete composite beams uses pedestals to prefabricate single-piece beams and slabs. This method mainly has the following problems for steel-concrete composite beams: [0003] (1) The prefabrication time of single-piece steel-concrete composite beams is long, the turnover rate is low, the efficiency is poor, and the economy is not good; [0004] (2) The longitudinal and transverse girders of steel-concrete composite beams have not been preassembled, the line shape of the beams cannot be guaranteed, and the erection and splicing of longitudinal and transverse girders is difficult; [0005] (3) The overall stability of monolithic beam prefabrication is poor, and there are safety ri...

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Application Information

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IPC IPC(8): E01D19/00E01D19/12B28B23/02E01D101/24E01D101/30
CPCB28B23/02E01D19/00E01D19/125E01D2101/24E01D2101/30
Inventor 邓亨长陈刚郑俊峰彭通州李天鹏王小祎蒋代林邓鹏沈海坤周斌
Owner 四川路桥华东建设有限责任公司
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