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钢管混凝土系杆拱桥索力检测及吊杆失效影响分析

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为分析钢管混凝土系杆拱桥索力变化带来的影响,在历史索力检测数据的基础上,分析桥梁运营期间,索力偏差变动情况.基于桥梁更换吊杆的工程记录,讨论了不同吊杆失效工况下对桥梁结构响应参数的影响程度.结果表明:在钢管混凝土系杆拱桥日常养护中,应该重点关注索力、桥面线形变化情况.当吊杆出现失效情况后,及时进行更换,避免造成安全事故.
Tension detection of suspension rods in steel-concrete tied arch bridges and analysis of the impact of suspension rod failure
In order to analyze the impact of cable force changes on steel reinforced concrete tied arch bridges,based on historical cable force detection data,the variation of cable force deviation during bridge operation was analyzed.Based on the engineering records of bridge replacement of suspension rods,the impact of different suspension rod failure conditions on the response parameters of bridge structures was discussed.The results indicate that in the daily maintenance of steel-concrete tied arch bridges,special attention should be paid to chan-ges in cable tension and bridge deck alignment.When the suspension rod fails,timely replacement work should be carried out to avoid safety accidents.

tied arch bridgecable force testingsuspension rod failurecuring

洪桂忠

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泉州市市政工程中心 福建泉州 362000

系杆拱桥 索力检测 吊杆失效 养护

2024

福建建设科技
福建省建设厅科技情报中心站 福建省建筑科学研究院

福建建设科技

影响因子:0.5
ISSN:1006-3943
年,卷(期):2024.(6)