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Method for reinforcing row-lock wall through steel strands and polymer mortar

A steel strand and polymer technology, which is applied in building construction, building maintenance, building components, etc., can solve problems such as connection and anchoring measures and inappropriate positions, poor mechanical performance of bucket brick positions, etc., and meet the requirements of ensuring subsequent use. , Improve the horizontal seismic bearing capacity, improve the effect of seismic performance

Inactive Publication Date: 2013-02-13
SHANGHAI RES INST OF BUILDING SCI CO LTD +1
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  • Claims
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AI Technical Summary

Problems solved by technology

Due to the special masonry form of the empty bucket wall, the mechanical performance of the bucket brick position is poor, and the existing various masonry structure reinforcement methods are all aimed at solid walls, and the connection and anchoring measures and positions are not suitable for the empty bucket wall Masonry structure

Method used

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  • Method for reinforcing row-lock wall through steel strands and polymer mortar
  • Method for reinforcing row-lock wall through steel strands and polymer mortar
  • Method for reinforcing row-lock wall through steel strands and polymer mortar

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Embodiment Construction

[0019] see figure 1 , figure 2 , image 3 , the present invention provides a method for reinforcing the empty bucket wall with steel strand polymer mortar. The empty bucket wall structure includes bucket bricks 5, small bricks 6 and sleeping bricks 7; starting from the reinforced empty bucket wall structure surface, from inside to outside There are in sequence: a polymer mortar protective layer 4, a longitudinal steel strand 1 and a transverse steel strand 2 laid in the protective layer, and an implanted pin 3 for connecting the longitudinal and transverse steel strands to the reinforced empty bucket wall. The specific embodiment of the present invention is described as follows in conjunction with accompanying drawing:

[0020] (1) According to the actual masonry method of the empty bucket wall, select the position of the dormant brick 7, and mark the positions of the holes where the pins 3 are implanted on the walls on both sides, and arrange them vertically and horizontal...

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Abstract

The invention relates to the field of construction engineering, and discloses a method for reinforcing a row-lock wall through steel strands and polymer mortar. The method includes the following steps: embedding oblique keys in bricks on flat as per the actual masonry method of the row-lock wall; fixing a steel strand net on the wall surface through the embedded oblique keys; and constructing a polymer mortar protective layer on the surface of the wall body. The method greatly improves the bearing capacity and resistance to vibration of the row-lock wall, and the testing result shows that the horizontal limit bearing capacity of the reinforced row-lock wall body is improved by more than 80% than that of an unreinforced wall body; and meanwhile, the intensity is greatly improved, the construction period is short, the construction technology is simple, templates do not need to be erected, and the method is particularly suitable for solving the problems of poor intensity and weak resistance to vibration of the masonry structure of the row-lock wall, as well as the problem of improving the cracking and ageing of the existing row-lock wall structure at the same time.

Description

technical field [0001] The invention relates to the field of construction engineering, and relates to a structure strengthening and repairing method for reinforcing an empty bucket wall by using steel strand polymer mortar. Background technique [0002] Empty bucket wall houses are the main structural type of village and town buildings in the middle and lower reaches of the Yangtze River and East China, with a large number and a wide area. In most areas, standard clay bricks are usually used for empty bucket walls, and it is more common to build them with three buckets and one sleep or five buckets and one sleep. Through investigation, it is found that the mechanical performance and seismic performance of empty bucket wall houses are worse than those of solid buildings, and because most of the empty bucket wall houses are built by farmers in villages and towns, there are generally high storey heights, large bays, and imperfect structural measures And other problems, after a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04G23/02E04B1/98
Inventor 王卓琳李向民蒋利学许清风郑士举郑乔文
Owner SHANGHAI RES INST OF BUILDING SCI CO LTD
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