钢筋混凝土系杆拱桥吊杆专项检查及病害成因分析  

Special Inspection of Suspenders for Reinforced Concrete Tied-Arch Bridge and Disease Causes Analysis

作　　者：秦伟航[1] 刘军 

机构地区：[1]交通运输部公路科学研究院,北京100088 [2]辽宁省交通工程质量与安全监督局,沈阳110005

出　　处：《北方交通》2012年第1期30-32,共3页Northern Communications

摘　　要：在下承式钢筋混凝土系杆拱桥常规检查时,发现下锚头封锚混凝土有锈迹渗出,查明吊杆构件锈蚀现状,分析了钢丝的锈蚀原因,对吊杆的更换提供了可靠的依据。When performing routine inspection for bottom - through reinforced concrete tied - arch bridge, rust is discovered in sealing concrete of lower anchor head, the rusting status of component part of suspender is found out, and the rusting reasons for steel wire are analyzed, providing reliable basis for suspender alteration.

关 键 词：系杆拱桥 锚箱 吊杆 锈蚀 

分 类 号：U448.225[建筑科学—桥梁与隧道工程]