某圬工拱桥主拱圈纵向开裂原因分析及处治措施  

Cause Analysis and Treatment Measures of Longitudinal Cracks of Mian Arch Ring of a Masonry Arch Bridge

作　　者：张坤 ZHANG Kun(Shanxi Transportation New technology Development Co.,Ltd.,Taiyuan,Shanxi 030012,China)

机构地区：[1]山西省交通新技术发展有限公司,山西太原030012

出　　处：《山西交通科技》2024年第2期99-101,共3页Shanxi Science & Technology of Transportation

摘　　要：阐述了某拱桥主拱圈裂缝病害情况及产生原因,结合现场检测、荷载试验及原桥验算,确定该圬工拱桥不能满足设计荷载要求,通过加固验算,提出主拱圈套拱加固及墩台病害耐久性维护方案,达到圬工拱桥病害处治的目的。This paper expounded on the situation and causes of the cracks of the main arch ring on an arch bridge.Based on field inspection,load tests,and original bridge verification,it was determined that the masonry arch bridge could not meet the requirements of the design load.Through reinforcement verification,a scheme for strengthening the main arch ring and maintaining the durability of pier and abutment diseases was proposed,achieving the goal of treating masonry arch bridge diseases.

关 键 词：圬工拱桥 主拱圈裂缝 荷载试验 加固验算 套拱加固 

分 类 号：U445.72[建筑科学—桥梁与隧道工程]