Composite anti-explosion post of reinforced concrete with encased steel plate and construction method thereof

A reinforced concrete column and reinforced concrete technology, which is applied to columns, piers, pillars, etc., can solve the problem of difficulty in ensuring that the steel plate and the original concrete transmit shear force together, and achieve less construction occupation area, convenient construction, and improved economy. effect of benefit
CN101899887AInactive Publication Date: 2010-12-01SHENZHEN YJY BUILDING TECH +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHENZHEN YJY BUILDING TECH
Publication Date
2010-12-01
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides a composite anti-explosion post of a reinforced concrete with encased steel plate and a construction method thereof. The outer surface of the anti-explosion post is successively welded and coated with a long steel sleeve, an additional steel plate and a protective steel plate from inside to outside, wherein the periphery of the bottom end of the additional steel plate is welded with an annular steel plate and a junction plate with a radiation anchor plate, and the outer surface of the top end of the long steel sleeve is successively welded with the annular junction plate and the annular steel plate from top to bottom. The invention utilizes the steel plate to protect the outer surface of the reinforced concrete post and improves impact load resistance ability. The joint of the post and the reinforced concrete beam plate is connected by a metal junction plate to reduce the possibility of breaking a node when receiving impact load; and the metal junction plate with a radiation anchor plate on the bottom of the post is welded with the upper layer of reinforcing steel bar of a raft foundation, thus further improving the impact resistance of the reinforced concrete post.
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Description

technical field

[0001] The invention relates to a reinforced concrete outsourcing steel plate composite explosion-proof column and a construction method. Background technique

[0002] In recent years, due to unexpected explosion accidents in important buildings, the reinforced concrete columns in the buildings have been damaged, causing the beams and slabs around the columns to collapse due to the loss of vertical support. Therefore, it is necessary to further strengthen the reinforced concrete column to improve the seismic bearing capacity of the reinforced concrete column. Column outsourcing steel method is a commonly used column reinforcement method, which has the advantages of convenience, rapidity, and little influence on the column section. At present, the way of wrapping angle steel on the outside of the existing column is usually used for reinforcement. This method is difficult to ensure that the steel plate and the original concrete transmit the shear force togethe...

Claims

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