Replacement construction method for post-adding reinforced concrete beam unit for wall

A technology of reinforced concrete beams and construction methods, applied in building maintenance, construction, building construction, etc., can solve problems such as wall collapse, and achieve the effects of high construction safety, good structural reinforcement integrity, and guaranteed construction quality.

Inactive Publication Date: 2009-08-19
ZHONGQI JIAOJIAN GRP
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  • Abstract
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Problems solved by technology

[0003] Aiming at the defects existing in the prior art, the object of the present invention is to provide a construction method for unit replacement of reinforced concrete beams after the wall, which adopts the technology of unit replacement and one-time pouring, and ...

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  • Replacement construction method for post-adding reinforced concrete beam unit for wall
  • Replacement construction method for post-adding reinforced concrete beam unit for wall
  • Replacement construction method for post-adding reinforced concrete beam unit for wall

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Embodiment Construction

[0024] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0025] Such as Figure 1~3 As shown, in the replacement construction method of the reinforced concrete beam unit after the wall body of the present invention, the stress system in the replacement process is divided into three stages: the self-stabilization stage of the unit opening, the supporting stress stage, and the reinforced concrete lintel stress stage.

[0026] in order to get image 3 Shown to plan to open opening 5 and plan to set lintel 6, the present invention provides a kind of post-wall reinforced concrete beam unit replacement construction method, and its specific steps are:

[0027] Step 1, support unit production: such as Figure 4 , 7 As shown, the support unit 4 includes a top steel plate 41 and a bottom steel plate 42 which are arranged up and down oppositely, and four supporting legs 43 in a rectangular distribution are arranged between...

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Abstract

A construction method of wall body post-reinforced concrete beam element displacement relates to the technical field of wall construction, specifically comprising: step 1, manufacturing a support unit; step 2, drawing contour lines of an opening (1), a lintel (3) and a support tunnel (2); step 3, chiseling the support tunnel (2) one by one and placing the support unit; step 4, sheathing stirrup and penetrating main reinforcement; step 5, supporting formwork and pouring concrete; step 6, dismounting formwork, cleaning edge and maintaining; step 7, excavating holes. In the construction method of the invention, the processes of element displacement and one-time pouring are adopted, thus solving the potential safety hazard that one-time excavation of too large holes during lintel displacement can easily cause wall body collapse, ensuring that the lintel displacement is free from the limit of the opening width and being applicable to openings of various width and shapes.

Description

technical field [0001] The invention relates to the technical field of wall reconstruction, in particular to a construction method for replacing a reinforced concrete beam unit after a wall. Background technique [0002] In the renovation of existing projects, opening holes in existing walls is a relatively common phenomenon. For openings with larger widths, lintels need to be set. At present, there are two common methods for setting the lintel, one is to open the hole first and then add the lintel, and the other is to add the lintel first and then open the hole. The first method has great potential safety hazards for the larger openings, and the second method is mainly to add angle steel or channel steel in the mortar joints of the wall, and then open the hole. Because in the process of adding angle steel or channel steel, it is necessary to remove the gray joints half of the thickness of the wall, so there are certain potential safety hazards. Contents of the invention...

Claims

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Application Information

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IPC IPC(8): E04G23/02
CPCE04G23/0274
Inventor 王世兴黑增武张德光张淼
Owner ZHONGQI JIAOJIAN GRP
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