Connecting structure of reserved external wall and newly-constructed reinforced concrete horizontal component and construction method of connecting structure

A technology of horizontal components and connecting structures, which is applied in the field of connecting structures between reserved exterior walls and new steel-concrete horizontal components and its construction, can solve the problems of low construction efficiency, poor quality, and occupying internal space of buildings, so as to ensure construction quality, Effect of reducing damage and improving structural stability

Inactive Publication Date: 2018-02-16
NO 2 CONSTR GRP CO LTD OF SHANGHAI CONSTR GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Aiming at the existing methods of reinforcing and retaining the exterior wall by adding support or thickening the wall, the problems of occupying the interior space of the building, low construction efficiency and poor quality

Method used

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  • Connecting structure of reserved external wall and newly-constructed reinforced concrete horizontal component and construction method of connecting structure
  • Connecting structure of reserved external wall and newly-constructed reinforced concrete horizontal component and construction method of connecting structure
  • Connecting structure of reserved external wall and newly-constructed reinforced concrete horizontal component and construction method of connecting structure

Examples

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Embodiment 1

[0024] This embodiment takes the reconstruction project of a certain protected building as an example. Among them, there are four single protected buildings that need to retain their brick exterior walls along the street. The coefficients all fail to meet the requirements, which is extremely unfavorable to the protection of the overall stability of the building and causes serious safety hazards. The purpose of the present invention is to not only ensure the use requirements of the internal space to the maximum extent, meet the needs of internal replacement of the structure, but also retain its architectural cultural features to the greatest extent by changing the connection structure between the retained outer wall and the newly built steel-concrete horizontal member.

[0025] Combine below Figure 1 to Figure 3 Illustrate the connection structure between the reserved outer wall and the newly built steel-concrete horizontal member of the present invention. In this embodiment, ...

Embodiment 2

[0030] Embodiment 2: Combination Figure 1 to Figure 3 Illustrate the construction method of the connection structure of retaining outer wall and newly-built steel-concrete horizontal member of the present invention, concrete steps are as follows:

[0031] S1: Reinforce the inner side of the reserved outer wall 10, connect one end of several 10mm φ10mm and 400mm apart tie bars 21 to the reserved outer wall 10 by planting bars, and the prefabricated elbow at the other end of the tie bars 21 faces the interior of the protected building, erecting the inner The steel grid frame 22 of the lining wall 20, and the prefabricated elbow of the tie bar 21 is sleeved on the longitudinal bar 22b of the steel grid frame 22, and the formwork is set up and the lining wall 20 is poured;

[0032] S2: Connect one end of several horizontal shear steel bars 41 with a diameter of 14 mm and a spacing of 200 mm to the reserved exterior wall 10 by planting bars, and implant the other end of the horizo...

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Abstract

The connection structure of the retained outer wall and the new steel-concrete horizontal component and the construction method thereof of the present invention relate to the technical field of building reconstruction engineering. Aiming at the problems of adding support or thickening the wall to reinforce and retain the outer wall, the internal space of the building is occupied, and the construction efficiency is low and the quality is poor. The inner lining wall is close to the inner side of the reserved outer wall, and a steel grid frame is embedded in the inner lining wall, and a number of tension bars are arranged between the reserved outer wall and the inner lining wall. It is connected with the longitudinal reinforcement of the steel grid frame, and the two ends of the horizontal shear reinforcement are implanted into the retained outer wall and the new steel-concrete horizontal member respectively. Construction method: connect one end of the tie bar with the reserved outer wall by planting bars, erect the steel grid frame of the inner wall, set the prefabricated elbow at the other end of the tie bar on the longitudinal bar of the steel grid frame, set up the formwork and pour the inner lining Wall; connect one end of several horizontal shear steel bars to the retained exterior wall by planting bars, and implant the other end into the newly-built steel-concrete horizontal member.

Description

technical field [0001] The invention relates to the technical field of building renovation engineering, in particular to a connection structure between a retained outer wall and a new steel-concrete horizontal component and a construction method thereof. Background technique [0002] With the changes of the times, many protected buildings have problems in terms of function and safety. Due to the early construction of the protected buildings, the strength of the walls of the protected buildings is low, and some walls are severely weathered, which is difficult to meet the needs of today's use. Therefore, it is necessary to renovate the protected building to restore its function. Due to the restrictions of the cultural relics protection regulations, the renovation construction cannot wantonly destroy the original appearance of the protected building, and the internal structure can only be replaced and reconstructed under limited conditions. Therefore, in the new In the process ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/38E04G21/00
CPCE04B1/38E04G21/00
Inventor 杨敏赵明锋施臻杨大伟吴海峰
Owner NO 2 CONSTR GRP CO LTD OF SHANGHAI CONSTR GRP
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