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吊杆损伤对湛河斜靠式拱桥动力特性的影响

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Keywords: 桥梁工程,斜靠式拱桥,动力特性,吊杆,损伤

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Abstract:

根据平顶山市城东河路湛河桥主桥―斜靠式拱桥的结构特点,采用MIDAS/Civil有限元软件,建立了该桥的空间有限元计算模型,进行了不同吊杆损伤情况下的桥梁动力特性计算,通过对比桥梁在完好状态和不同吊杆损伤情况下的桥梁动力特性,得出结论吊杆损伤对斜靠式拱桥的低阶自振频率总体影响较小,但对桥梁整体竖向自振频率和扭转自振频率相对影响较大,吊杆损伤导致桥梁竖向和扭转自振频率降低;主拱吊杆损伤比稳定拱吊杆损伤对该桥的自振频率影响大,跨中吊杆损伤比1/4跨处吊杆损伤对该桥自振频率影响大.计算结果对正确认识斜靠式拱桥在不同状态下的结构动力特征,合理评价桥梁运营阶段的健康状况提供了参考和基础性数据.

References

[1]  张秀成,王宏艳,任毅勇.斜靠式提篮拱桥设计特点[J].公路,2005,(12):32-34. Zhang Xiu cheng,Wang Hongyan,Ren Yiyong.Design characteristics of handle basket arch bridge[J].Highway,2005,(12):32-34.
[2]  胡锋.斜靠式拱桥力学性能分析[D].郑州:郑州大学,2006. Fu Feng.The mechanic performance analysis of double X-shap earch bridge[D].Zhengzhou:Zhengzhou University,2006.
[3]  肖汝城,孙海涛,贾丽君,等.斜靠式拱桥[J].上海公路,2004,(4):22-26. Xiao Ru cheng,Sun Haitao,Jia Li jun,et al. Leaning-typearch bridges[J].Shanghai Highways,2004,(4):22-26.
[4]  殷学纲,姚建军.中(下)承式拱桥的吊索损伤对吊索系静张力的影响[J].中国公路学报,2004,17(1):45-48. Yin Xugang,Yao Jian jun.Effect on sling system tension from sling damage in mid-supported arch bridge[J].China Journal of Highway and Transport,2004,17(1):45-48.
[5]  陈淮,申哲会,胡锋,等.斜靠式拱桥动力特性研究[J].郑州大学学报(工学版),2005,26(4):25-28. Chen Hu ai, Shen Zhehui, Fu Feng,et al. Study on dynamic characteristics of leaning-type arch bridge[J].Journal of Zhengzhou University (Engineering Science),2005,26(4):25-28.
[6]  孙增寿,孙征,陈淮.郑州黄河大桥主桥自振特性分析[J].世界地震工程,2003,19(3):129-133. Sun Zengshou,Sun Zheng,CH EN Huai. Dynamic analysis of the Yellow River main bridge in Zhengzhou[J].World Earthquake Engineering, 2003,19(3):129-133.
[7]  陈淮,王艳,董建华,等.康复钢管混凝土拱桥振动特性分析[J].世界地震工程,2003,19(4):51-56. Chen Huai, Wang Y an,Dong Jianhua,et al. Dynamic characteristics analysis of Kangfu concrete filled steel tubular arch bridge[J].World Earthquat Engineering,2003,19(4):51-56.
[8]  陈淮,朱倩,葛素娟,等.韩江北桥主桥动力特性研究[J].铁道科学与工程学报,2005,2(5):28-31. Chen Huai, Zhu Qian,Ge Su juan,et al. Dynamic haracteristics analysis of Han jiang northern bridge[J].Journal of Raiwlay Science and Engineering,2005,2(5):28-31.
[9]  陈淮,孙应桃,胡锋.拱肋施工偏差对斜靠式拱桥力学性能的影响[J].桥梁建设,2007,(1):36-38. Chen Huai, Sun Yingtao,Hu Feng.Effect of arch rib construction errors on mechanical properties of double X-shape arch bridge[J].Bridge Construction,2007,(1):36-38.
[10]  孙应桃,陈淮,杨雅平,等.拱肋倾角变化对斜靠式拱桥动力性能的影响[J].世界桥梁,2008,(1):46-49. Sun Yingtao,Chen Huai, Yang Yaping,et al. Effect of arch rib sloping angle changes on dynamic perform ance of doubleX-shape arch bridge[J].World Bridges,2008,(1):46-49.

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