基于模糊综合评判的石拱桥安全鉴定模式
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摘要
在三峡库区公路危桥调查中发现现服役石拱桥,经过十几年的通车运营,出现了各种各样的病害,严重影响其使用安全性。本文采用多级模糊综合评价方法,考虑多种因素引起的承载能力下降,引入折减系数,可得到带病害工作的桥梁结构的结构抗力值,再与结构的外荷载对比,进行桥梁安全性评价。
The wide range of survey of road dangerous existing stone arch bridge in service in Three Gorges reservoir area,reveals that there has been a wide range of diseases,which seriously affected the safety of their use.A wide range of diseases,from different angles,respectively,to varying degrees,affected the performance of the stone arch bridge.In this paper,multi-level fuzzy synthetic evaluation method,a variety of factors to consider the carrying capacity decline,it introduce a reduction factor,can work with diseases of the structure of the bridge structure of the resistance value,and then loading and structure comparison,for safety evaluation.
The wide range of survey of road dangerous existing stone arch bridge in service in Three Gorges reservoir area,reveals that there has been a wide range of diseases,which seriously affected the safety of their use.A wide range of diseases,from different angles,respectively,to varying degrees,affected the performance of the stone arch bridge.In this paper,multi-level fuzzy synthetic evaluation method,a variety of factors to consider the carrying capacity decline,it introduce a reduction factor,can work with diseases of the structure of the bridge structure of the resistance value,and then loading and structure comparison,for safety evaluation.
引文
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[2]许江,李克钢.模糊理论在公路边坡稳定性分析中的应用[J].中国地质灾害与防治学报,2006,17(2):61-64.
[3]Melhem H G,Senaka Aturaliya.Bridge Condition Rating Usingan Eigenvector of Priority Settings[J].Microcomputers in CivilEngineering,1996,II:421-432.
[4]Baldwin J F.Fuzzy Logic and Fuzzy Reasoning[C]∥MamdauiE H,Gaines B R.Fuzzy Reasoning and Its Applications.Academic:1981:133-140.
[5]黄淑森.铁路路基基床病害评估专家系统模型[J].铁道学报,2004,24(3):127-131.
[6]朱先锋.昔格达地层开挖边坡稳定性模糊聚类分析[J].铁道勘测与设计,2006(5).
[7]柴华彬,邹友峰.模糊综合评判在开采沉陷对土地影响评价中的应用[C]∥第七届全国矿山测量学术会议论文集,2007.
[8]刘强,沈振中,聂琴,丁长青.基于灰色模糊理论的多层次大坝安全综合评价[J].水电能源科学,2008(6).
[9]张佩旭.双曲拱旧桥的多级模糊综合评定方法[J].交通科技,2005(5).
[10]Blockey D I.The Role of Fuzzy Sets in Civil Engineering[J].Fuzzy Sets and Systems,1979(2).
[11]谢学斌.基于模糊灰关联模式识别的地下工程围岩稳定性评价[J].采矿技术,2007(2).
[12]张凯,邓长根.大型变电构架可靠性评价的模糊综合评判法[J].世界地震工程,2007(2).
[13]焦文宇,章光,李亚阁,毛伶俐.水泥粉喷桩单桩极限承载力的灰色预测[J].土工基础,2008(4).
[14]孙宇,施洲.石拱桥的检测试验与验算评定[J].铁道标准设计,2009(3):76-80.
[15]Hitoshi Furuta Y D.Research on Reliability-based Assessment ofExisting Bridge Structures[D].London:Imperial College,1995.
[16]Senaka Aturaliya,Wu J H,Liang C H.Applying fuzzyMathematics to Evaluating the Membership of ExistingReinforced Concrete Bridges in Taibei[J].Journal of MarineScience and Technology,2000,1(1):16-29.
[17]施养杭,张璐.混凝土构件耐久程度评定办法[C]∥第16届全国结构工程学术会议论文集(第Ⅱ册),2007.
[18]宗周红,任伟新,郑振飞.既有桥梁承载能力评估方法[J].地震工程与工程振动,2005(5).
[19]郑舟军.桥梁中不确定因素对可靠度的影响分析[D].武汉:武汉理工大学,2005.
[20]施楚贤.我国砌体结构设计规范的发展[J].建筑结构,2004(2).
[21]王述红,唐春安,吴献.砌体开裂过程数值模型及其模拟分析[J].工程力学,2005(2).
[22]覃洪江,梁骞.桥梁检测、评估的现状和发展趋势[J].广西城镇建设,2007(12).
[23]谭冬莲.应用数理统计理论的既有桥梁评估方法探讨[J].中外公路,2005(5).
[24]周岑,郑凯锋,范立础.大跨度石拱桥的全桥结构仿真分析研究[J].土木工程学报,2004(3).
[25]刘健宇.石拱桥损伤病害分析及维修加固技术研究[J].山西建筑,2008,28.
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