- 摘 要
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許曙東，馮 博
（廣東福銀預(yù)應(yīng)力新技術(shù)發(fā)展有限公司北京分公司，北京100085）[摘要] 體外預(yù)應(yīng)力技術(shù)作為一種主動加固方法，相對其他粘鋼、碳纖維等被動加固方法，可以有效、主動地改善結(jié)構(gòu)受力性能，提高結(jié)構(gòu)極限承載力和剛度，減少變形和裂縫。主要介紹了體外預(yù)應(yīng)力技術(shù)在房屋建筑加固改造中的四個典型工程案例中的應(yīng)用，分別為雙向框架梁加固、樓板加固、預(yù)應(yīng)力梁加固、框架抽柱加固技術(shù)。
[關(guān)鍵詞] 體外預(yù)應(yīng)力；加固；改造；框架梁；樓板Application of the external prestressing in reinforcement and reconstruction project
Xu Shudong, Feng Bo
(Guangdong Fuyin Prestress New-technology Ltd., Co., Beijing 100085, China)Abstract: As an active reinforcement method, the external prestressing technique can effectively improve the mechanical performance, stiffness and ultimate bearing capacity of the structure. The applications of the external prestressing technique in four typical projects were introduced.
Keywords: external prestressing; reinforcement; reconstruction; frame beam; floor
