自平衡预应力中空管工艺特性研究与分析  

Research and Analysis on Processing Property of Self-balancing Pre-stressed Hollow Pipe

作　　者：邱兴友 夏云龙 于雪晖 

机构地区：[1]浙江乐清湾大桥及接线工程建设指挥部,浙江玉环317600 [2]浙江省交通规划设计研究院,浙江杭州310006

出　　处：《城市道桥与防洪》2018年第8期334-336,共3页Urban Roads Bridges & Flood Control

摘　　要：自平衡预应力中空管是一个新型预应力体系,施工方便、预应力值准确,即使锚筋长度很短也能准确实现,损失可控。介绍了预应力中空管的工作原理和施工工艺,同时通过产品性能试验,得出了部分预应力中空管设计参数,为今后产品的设计推广提供了有效依据。The self-balancing pre-stressed hollow pipe is a new type of pre-stressed system. Its construction is convenient and the pre-stressing value is accurate. Even if the length of the anchor bar is very short, it can be realized accurately, and the loss can be controlled. This paper introduces the working principle and construction technology of the pre-stressed hollow pipe. Some design parameters of pre-stressed hollow pipe are all obtained through the product performance test, which can provide the effective basis for the design andpromotion of the products in the future.

关 键 词：预应力 中空管 设计 试验 

分 类 号：U448.35[建筑科学—桥梁与隧道工程]