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Method for strengthening sintering clay brick masonry structure through internal prestressed steel anchor rods

A technology of prestressed steel bars and sintered clay, applied in building construction, building maintenance, construction, etc., can solve problems such as wall cracking, achieve the effects of improving seismic bearing capacity, inhibiting wall cracking, and improving seismic performance

Active Publication Date: 2013-10-16
倡创(上海)咨询管理事务所
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Problems solved by technology

It effectively solves the problem of wall cracking and improves the seismic bearing capacity

Method used

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  • Method for strengthening sintering clay brick masonry structure through internal prestressed steel anchor rods
  • Method for strengthening sintering clay brick masonry structure through internal prestressed steel anchor rods

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specific Embodiment approach

[0023] Such as Figure 1 ~ Figure 2 Shown, the specific embodiment of the present invention is as follows:

[0024] An internal prestressed sintered clay brick masonry structure, including a wall 2 and a prestressed steel anchor bar 3, the wall 2 is composed of sintered clay bricks, and the prestressed steel anchor bar 3 adopts prestressed steel bars of φ16-φ18 and transversely Evenly penetrated in the wall body 2, the longitudinal spacing is 400mm-600mm. The two ends of the prestressed steel anchor rod 3 are prestressed and anchored by the backing plate 1 and the anchor bolt 4, and the anchoring length of both ends is not less than 60mm. A thin-walled steel pipe or plastic pipe is sheathed on the prestressed steel anchor rod 3, and mortar is poured between it and the hole of the fired clay brick. Every 1-2 blocks in the wall body 2 is provided with a vertical reinforcement mesh, and the vertical reinforcement mesh is welded by φ6 steel bars.

[0025] The specific method of...

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Abstract

The invention relates to a method for strengthening a sintering clay brick masonry structure through internal prestressed steel anchor rods, and belongs to the technical field of anti-seismic strengthening. The method relates to a wall body and the prestressed steel anchor rods, wherein the wall body is formed by sintering clay bricks, the prestressed steel anchor rods are transversely and evenly arranged in the wall body in a penetrated mode, the two ends of each prestressed steel anchor rod are anchored by a base plate and an anchor bolt in a prestressed mode, and then the position between the prestressed steel anchor rod and holes of the sintering clay bricks are filled with mortar in a poured mode. The method effectively improves the anti-cracking performance and the anti-shearing performance of the wall body, restrains wall body cracking and cracking propagation and improves the anti-seismic performance of the masonry structure.

Description

technical field [0001] The invention relates to a method for reinforcing a sintered clay brick masonry structure by adopting an internal prestressed steel anchor rod, and belongs to the technical field of seismic reinforcement. Background technique [0002] Research at home and abroad has shown that applying prestress to masonry structures can improve the properties of masonry structure materials, improve the crack resistance, seismic performance and shear bearing capacity of masonry structures, and can make existing buildings undergo prestress reinforcement and transformation. Finally, it meets the follow-up safety use requirements and earthquake resistance, energy saving and environmental protection requirements. my country is the country with the most application of masonry structures in the world, especially the sintered clay bricks, but the research on prestressed masonry is relatively lagging behind compared with the international ones. From 1995 to 1998, Professor Lu...

Claims

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Application Information

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IPC IPC(8): E04G23/02
Inventor 董有鞠树森赵恩平谢建明万兆
Owner 倡创(上海)咨询管理事务所
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