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预应力钢支撑新型活络端结构特点与施工技术 被引量:1

Study on Construction Technology and Structural Characteristics of Prestressed Steel Bracing with New Movable End
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摘要 针对深基坑开挖时钢支撑预应力损失较大,围护结构变形较大的问题,介绍了一种预应力钢支撑新型保载活络头结构,总结预应力钢支撑施工关键技术和质量控制措施。工程应用结果表明,新型保载活络头结构可有效降低预应力损失,较好地保护了周边复杂的环境。 Aiming at the problems of large prestress loss of steel support and large deformation of retaining structure during deep foundation pit excavation,this paper introduces a new load retaining flexible head structure of prestressed steel support,and summarizes the key technology and quality control measures of prestressed steel support construction.The engineering application results show that the new load retaining flexible head structure can effectively reduce the prestress loss and better protect the surrounding complex environment,so as to provide reference for similar projects.
作者 王社江 范志高 WANG She-jiang;FAN Zhi-gao(Suzhou Rail Transit Group Co.Ltd.,Suzhou 215000,China;China Railway 16th Bureau Group Co.Ltd.,Beijing 100020,China)
出处 《工程建设与设计》 2022年第11期171-173,共3页 Construction & Design for Engineering
关键词 深基坑 预应力钢支撑 活络端 保载效果 deep foundation pit prestressed steel support movable end load retaining effect
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