某交叉口高架桥裂缝成因分析及防治  

Cracking Reasons and Measures Of Crack Control Of The Viaduct Of The Intersection

作　　者：许莉[1] 房贞政[1] 

机构地区：[1]福州大学土木工程学院,350002

出　　处：《福建建筑》2008年第11期105-108,共4页Fujian Architecture & Construction

基　　金：福州市科技计划项目(项目编号:2007-2-40);福州大学科技育苗专项基金项目(项目编号:2007-XY-14)

摘　　要：本文针对在桥梁建造和使用过程中出现的因裂缝而影响工程质量的问题,通过对一座存在裂缝的在役预应力混凝土连续箱梁桥的裂缝普查、针对裂缝的车辆荷载试验、以及裂缝宽度验算分析,探讨了预应力混凝土连续箱的裂缝成因及防治。Aiming at the quality problems caused by cracks during construction and using of bridges,the thesis focuses on the cause and the prevention of the cracks in prestress concrete continuous box girder bridge through the general investigation on the cracked bridge,the vehicle-load experiment,the checking computations and the analysis of the crack s width.

关 键 词：车辆荷载试验 裂缝成因分析 裂缝宽度验算 裂缝防治 

分 类 号：U445.7[建筑科学—桥梁与隧道工程]