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四川省雅鱼线511K+450锦川桥系单孔26.55公尺的豪氏上承式木桁构桥。该桥在1955年建成,新建时拼装工程质量差,拱度不合设计要求,移交养护后,又没有固定专人负责养护和定期检查,平时更缺乏技术指导,工人同志对养桥的业务陌生,主桁架发生松动、变形、下垂时,又没有采取措施及时检修,拖延日久,以致该桥变形,破坏日益严重,每根反向斜杆的端头都离开了硬木,竟达8公分左右(空隙全系用垫木塞紧)8根吊杆就有7根发生了不同程度的滑丝,甲_5乙_5节点(上下游)的吊杆甚至滑丝达9公分之多,致使车辆过
Sichuan Ya Ya Line 511K +450 Jinchuan Bridge Department of single hole 26.55 meters of the Hall of Fame wooden truss bridge. The bridge was completed in 1955, the new building assembly quality poor, inconsistent arch design requirements, the transfer of conservation, there is no fixed person responsible for conservation and regular inspections, usually more lack of technical guidance, the workers comrade on the business of raising a bridge unfamiliar, the Lord Truss loose, deformation, drooping, but did not take timely measures to repair, delay, so that the bridge deformation, destruction of increasingly serious, each reverse diagonal end of the hardwood have left, as much as about 8 cm (gap The whole system with a padded plug) 8 hanging rod there are 7 different degrees of sliding wire, a _5 B _5 node (upstream and downstream) of the rod or even slide up to 9 cm as much, resulting in vehicle over