
ing,FuzhouUniversity,Fuzhou,Fujian350108,China;2.CollegeofCivilEngineering,FujianUniversityofTechnology,Fuzhou,Fujian350118,China)Abstract:Inordertode
termineareasonableinterfaceconstraintandcontactrelationship,threedifferentconstraintsandcontactrelationshipsinAbaqusareusedtosimulatebasedontheexistin
gtestspecimens.Aftercomparingthenumericalanalysisresultswiththetestresults,theresearchshowsthatthecohesionmodelisadopted,thefailuremorphologyofthefi
niteelementmodelismoreconsistentwiththetestresults,followedbythebindingconstraint,andthefiniteelementsimulationresultusingthecontactfrictionmodelisthe
mostdifferentfromthetest;thetestcrackingloadandultimateloadaretheanalysisobjects,andthebindingconstraintandcohesionmodel.Thenumericalanalysisresultsa
reingoodagreementwiththetest,whilethenumericalanalysisresultsofthecontactfrictionmodelarequitedifferentfromthetest.Comparedwiththeboundconstraintmode
l,thecohesionmodelcanbettersimulatethedamageofthespecimeninterface.Therefore,whenAbaqusisusedforthefiniteelementanalysisoftheinterfaceforcebetweenthep
recastbridgedeckandtheUHPCwetjoint,thecohesiveforcemodelorthebindingconstraintmodelshouldbeused,andthecontactfrictionmodelshouldnotbeused.Keywords:UHP
Cwetjoint;Abaqus;contactrelationship;numericalanalysis;experimentalcomparison预制桥面板质量可控、施工快速,且够有效减ABC)的重要研发方向之,在我国也得到了广泛的少建设过程对周边环境的不利影响,已经列入美国应用[1]。
而对于预制桥面板来说,湿接缝不仅是影桥梁快速施工计划(AcceleratedBridgeConstruction,响其速度的重要因素之[2],而且接缝开裂后造成收稿日期:20201126修稿日期:20201222基金项目:福建省自然科学基金项目(2019J01779)作者简介:何
永波(1995—),男,硕士研究生,研究方向为装配式桥梁。Email:642624981@qq.com2期何永波,等:预制桥面板UHPC湿接缝的界面受力性研究127单梁受力,易影响桥梁耐久性和安全性[3]。现阶1.2接触摩擦模型段,我国主要使用普通混凝土组成的焊接环形钢
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