基于混合算法的耐候钢曲线钢箱梁跨线顶推施工风险评估.pdf
2023年第11期黑龙江交通科技No.11ꎬ2023
(总第357期)HEILONGJIANGJIAOTONGKEJI(SumNo.357)
基于混合算法的耐候钢曲线
钢箱梁跨线顶推施工风险评估
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石学坤ꎬ崔凤坤ꎬ袁航ꎬ李贤锋ꎬ张方敏
(1.中铁十局集团青岛工程有限公司ꎬ山东青岛266600ꎻ2.山东交通学院ꎬ山东济南250357)
摘要:跨越既有线路的曲线钢箱梁顶推施工的风险因素复杂多变ꎬ而且众多的风险因素之间的等级划分较为模糊ꎬ使得桥
梁施工安全难以得到保证ꎮ结合跨京沪高铁特大桥工程ꎬ对影响桥梁施工的风险因素进行分层详细解剖ꎬ建立耐候钢曲线钢
箱梁跨线顶推施工风险安全评价方法ꎬ利用三角模糊数理论和熵权理论等方法对桥梁施工全过程中的各级风险源进行权重
计算ꎬ运用模糊综合评判理论对曲线钢箱梁顶推施工进行风险评估ꎬ计算结果符合工程实际ꎮ
关键词:桥梁工程ꎻ顶推施工ꎻ风险评估ꎻ风险控制
中图分类号:U24文献标识码:A文章编号:1008-3383(2023)11-0109-05
RiskAssessmentofCross-lineJackingConstructionofWeathering
SteelCurvedSteelBoxGirderBasedonHybridAlgorithm
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SHIXue ̄kunꎬCUIFeng ̄kunꎬYUANHangꎬLIXian ̄fengꎬZHANGFang ̄min
(1.ChinaRailwayNo.10EngineeringGroupQingdaoEngineeringCo.ꎬLtd.ꎬQingdaoꎬShandong266600ꎬChinaꎻ
2.ShandongJiaotongUniversityꎬJinanꎬShandong250357ꎬChina)
Abstract:Thejackingconstructionofcurvedsteelboxgirderacrosstheexistinglineisfacedwithcomplexandnumerousriskfactorsꎬ
andtheclassificationofmanyriskfactorsisrelativelyvagueꎬmakingitdifficulttoguaranteethesafetyofbridgeconstruction.Combined
withtheBeijingtoShanghaihigh-speedrailwayextra-largebridgeprojectꎬtheriskfactorsaffectingbridgeconstructionareanalyzed
indetailꎬandarisksafetyevaluationmethodforweatheringsteelcurvedsteelboxgirderspanningconstructionisestablishedꎬusingtri ̄
angularfuzzynumbertheoryandentropyweighttheory.Theweightsofrisksourcesatalllevelsinthewholebridgeconstructionproject
arecalculatedꎬandthefuzzycomprehensiveevaluationtheoryisusedtoassesstheriskofthecurvedsteelbo