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Underpinning structure and construction method for replacing unqualified shearing wall concrete

A shear wall and concrete technology, applied in the direction of walls, building components, building structures, etc., can solve the problems of common people's disputes, easy to leave traces, etc., and achieve the effect of saving construction period and project cost

Pending Publication Date: 2017-11-28
天津联鉴建筑质量鉴定检测有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ordinary reinforcements, including carbon fiber and bonded steel, are easy to leave traces, and the subsequent decoration of ordinary people cannot destroy the reinforcement. After the house is handed over, it is easy to cause suspicion and disputes among ordinary people.

Method used

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  • Underpinning structure and construction method for replacing unqualified shearing wall concrete
  • Underpinning structure and construction method for replacing unqualified shearing wall concrete
  • Underpinning structure and construction method for replacing unqualified shearing wall concrete

Examples

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Embodiment

[0030] Example: such as Figure 1 to Figure 4-2 As shown, an underpinning structure for substituting unqualified shear wall concrete includes several columns 1, upper beams 2, lower beams 3, and supports 4; 5, the top of the column 1 passes through the upper floor 6 to connect with the upper beam 2, and the lower part is supported by the lower beam 3 below the lower floor 7; the upper beam 2 is cut out through the shear wall on the upper floor The hole 8 of the lower beam passes through the hole 9 cut out in the shear wall of the next floor; the support 4 is installed under the lower beam 3 to hold the lower beam 3; the whole underpinning structure is used to support the replacement floor above The weight of all structures.

[0031] An upper beam 2 , a lower beam 3 and a support 4 are respectively arranged above and below the plurality of upright columns 1 .

[0032] The middle part of the column 1 on the same side of the shear wall that needs to replace the concrete, and th...

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PUM

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Abstract

An underpinning structure for replacing unqualified shearing wall concrete comprises a plurality of stand columns, upper cross beams, lower cross beams and supports, wherein the stand columns are arranged on two sides of a to-be-replaced concrete shearing wall in a replacing layer; the upper parts of the stand columns pass through an upper floor to be connected with the upper cross beams and the lower parts are carried by the lower cross beams; the upper cross beams pass through ports dug out on a shearing wall of an upstairs floor; the lower cross beams pass through ports dug out on a shearing wall of a downstairs floor; the supports are arranged under the lower cross beams to carry the lower cross beams; and the whole carrying structure can stand weight of all structures over the replacing layer. The construction method comprises steps of investigating on-site, unloading, building a carrying structure, removing and chiseling concrete, building a template, casting concrete, and detecting construction quality. A concrete shearing wall failing to meet local demands is replaced and detachments of the whole structures failing demands can be avoided; a structure after the replacement is the same as the previous structure; and project construction time limit and engineering cost can be greatly reduced.

Description

technical field [0001] The invention relates to the field of building construction, in particular to an underpinning structure and a construction method for replacing unqualified shear wall concrete. Background technique [0002] High-rise residential buildings in general cities generally adopt shear wall structures. Due to the fast construction speed of commercial housing, it is often because the strength of the shear wall concrete of the bottom or middle layer is seriously insufficient after construction reaches a certain number of floors. If all the shear wall structures that do not meet the strength requirements are demolished, it will bring immeasurable losses to the economy of the project and the reputation of related units. If the reinforcement technology, whether carbon fiber or bonded steel technology, is not only relatively cumbersome, but also requires relatively high monitoring and construction quality monitoring; it will also affect real estate sales and bring ...

Claims

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Application Information

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IPC IPC(8): E04B2/56E04G23/02
CPCE04B2/56E04G23/0222
Inventor 王冬梅刘加宝段素军张二龙
Owner 天津联鉴建筑质量鉴定检测有限公司
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