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PC superposed beam primary and secondary beam one-time forming structure and construction method thereof

A forming structure, cross-shaped technology, applied in building construction, formwork/formwork/work frame, on-site preparation of building components, etc., can solve problems such as difficulty in guaranteeing overall performance, eliminate poor concrete bonding, reduce labor cost, the effect of reducing production costs

Pending Publication Date: 2020-09-29
NO 3 ENG CO LTD OF CCCC THIRD HARBOR ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Solved the problem that the overall performance of the prefabricated composite beam main girder section prefabrication is difficult to guarantee

Method used

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  • PC superposed beam primary and secondary beam one-time forming structure and construction method thereof
  • PC superposed beam primary and secondary beam one-time forming structure and construction method thereof
  • PC superposed beam primary and secondary beam one-time forming structure and construction method thereof

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Embodiment Construction

[0041] The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "inner" and "outer ” refer to directions towards or away from the geometric center of a particular part, respectively.

[0042] As shown in the figure, the construction method of a primary and secondary beam forming structure of a PC laminated beam according to the present invention firstly makes two special-purpose end molds 5, and reserves a horizontal reinforcement notch on the checkered steel plate 15 of the end mold 5 20 is used to enter and exit the two ends of the "cross" notch 7 after the...

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Abstract

The invention discloses a PC superposed beam primary and secondary beam one-time forming structure. The structure comprises a prefabricated concrete superposed beam primary beam, a notch special end mold, and a cross-shaped notch special mold; a cross-shaped notch is preserved in the prefabricated superposed beam primary beam at the overlapping position with a secondary beam; a rebar is arranged in the cross-shaped notch; a protective layer is arranged below the cross-shaped notch; and the notch special end mold and the cross-shaped notch special mold are arranged in the cross-shaped mold. One-time casting of a non-disconnected load-bearing rebar and concrete is conducted on the superposed beam primary beam, so the entirety of structural performance of the superposed beam primary beam is guaranteed, the building efficiency is improved, and the labor cost is lowered; the cross-shaped notch special mold is adopted, the installation is flexible, an error is adjustable, and the difficultylevel of a notch manufacturing process is lowered; and through the mold plate effect of the cross-shaped notch, construction consumption of mold plates is saved, and the structure is beneficial to promotion and application of fabricated type concrete structures.

Description

technical field [0001] The invention belongs to the field of construction engineering, and in particular relates to a primary and secondary beam forming structure of a PC composite beam and a construction method thereof. Background technique [0002] Prefabricated buildings have developed rapidly due to their good economic, environmental and social benefits. Compared with the prefabricated integral shear wall structure system, the prefabricated integral structural frame system has more difficulties in the design and prefabrication stage, especially in the form of intersection and overlap between the main beam of the prefabricated composite beam and the secondary beam of the composite beam. [0003] The laminated main beam often has a notch in the middle to facilitate the intersection and overlap with the secondary beam, so as to improve the connection performance and integrity of the overall structure. However, because the notch is located in the middle of the component and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04G13/04
CPCE04G13/04
Inventor 张晓辉芮世军王哲周郁兵王佳龙
Owner NO 3 ENG CO LTD OF CCCC THIRD HARBOR ENG CO LTD
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