基于荷载试验的桥梁结构检测与性能评估

DETECTION AND BEHAVIOR ASSESSMENT OF BRIDGE STRUCTURE BASED ON LOAD TESTING

某拱式桥梁因使用年限较长,主桥结构和材料出现退化,部分构件出现病害,通过对桥梁的静力性能参数及结构动力特性进行现场试验和理论计算分析,评估其承载能力和工作性能,为今后类似桥梁设计、旧桥承载力鉴定以及后续的养护维修提供参考和依据。

Due to the long-servive life of an arch bridge,the main structure and material were degraded,and some diseases occurred in some members.By on-site testing and theoretical calculation value of static performance parameter and structural dynamic performance,it was evaluated its bearing capacity and working performance,which could provide advice and basis for similar bridge design,old bridge bearing capacity assessment and maintenance.