DOI：10.13905/j.cnki.dwjz.2023.6.002大跨度空间网架整体提升安全风险评估THESAFETYRISKASSESSMENTOFINTEGRALLIFTINGOFLONGSPANSPACEGRIDSTRUCTURERS吴仁强1，殷飞1，司良德1，马金瑜1，赵文宝2（1.中建八局发展建设有限公司，山东青岛266000；2.哈尔滨工程大学，哈尔滨150001）WURenqiang1,YINFei1,SILiangde1,MAJinyu1,ZHAOWenbao2（1.ChinaConstructionEighthBureauDevelopmentandConstructionCo.,Ltd.,ShandongQingdao266000,China;2.HarbinEngineeringUniversity,Harbin150001,China）【摘要】为建立异形双曲面钢网架整体提升施工安全评估方法，以对网架提升过程的风险控制措施的制定提供参考依据。研究将网架关键杆节点应力和变形作为控制要素，利用风险理论评估方法及数学统计法建立网架整体提升施工风险评估体系。根据被观测节点和变形划分风险因素集，利用层次分析法计算各风险因素集的影响权重。将风险等级按照灰类等级划分，结合白化权函数求解各个风险因素的灰色模糊评价权矩阵计算风险程度值X并确定风险等级。研究结果表明，层次分析法结合灰色模糊评价法可以更加精准地确定网架整体提升的安全风险等级。施工风险的精准确定可以为施工操作提供更多的参考。【关键词】空间网架；整体提升；层次分析法；灰色模糊理论【中图分类号】TU356【文献标志码】A【文章编号】1001-6864（2023）6-0007-04Abstract：Asafetyassessmentmethodforintegralliftingconstructionofspecial-shapedhyperboloidsteelspacetrussisproposedforprovidingthereferenceduringtheconstructionprocess.Takingthestressanddeformationofkeypolenodesofthegridasthefactors,ariskassessmentsystemfortheoverallimprovementofthegridconstruc⁃tionisestablishedbyusingrisktheoryevaluationmethodsandmathematicalstatistics.Theriskfactorsetsbasedonobservednodesanddeformationsaredivided,inwhichanalytichierarchyprocessisusedtocalculatetheimpactweightsofeachriskfactorset.Combinedthewhiteningweightfunction,therisklevelsaredividedintogreycatego⁃riestosolvethegreyfuzzyevaluationweightmatrixofeachriskfactor,inwhichtheriskdegreevalueXiscalculatedandtherisklevelisdetermined.Theresultsshowthatthecombinationofanalytichierarchyprocessandgreyfuzzyevaluationaccuratelydeterminesthesafetyriskleveloftheintegralliftingofthegridstruct...
