地下室侧墙纤维混凝土抗裂性能研究(5)

纤维混凝土上的抗裂性能研究

　　　　　　　　　　　　　华　中　科　技　大　学　学　报(城市科学版)　　　　　　　　　　　　2008年 96

高了混凝土抗拉强度,避免了收缩裂缝产生。

[6]　

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[1]　徐至钧.纤维混凝土技术及应用[M].北京:机械

工业出版社,2003.[2]　

雨林,吕红安,过　凯,等.地下室侧墙混凝土收缩应力及裂缝的仿真计算[J].华中科技大学学报(城市科学版),2007,24(2):22-24.

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精选[M].北京:电子工业出版社,2004.

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[5]　李利娟,张红州,刘　锋,等.纤维与混凝土粘结的

界面力学性能研究[J].新型建筑材料,2004,(10):

StudyonCrackResistanceofFiberReinforcedConcrete

ofBasementSpandrelWall

ZHOULu

1a,1b

,　WANGWei-jian,　JIYu-lin

LIZuo-hua

1a,1b

21a,1b

,　PENGChang

1a,1b

1a,1b

,

,　WUXiao-fan

(1.a.SchoolofCivilEngineeringandMechanics;

b.HubeiKeyLaboratoryofControlStructure,HUST,Wuhan430074,China;

2.JiangxiArchitecturalDesignandResearchGeneralInstitute,Nanchang330046,China)Abstract:Atpresent,thecrackcontrollingofbasementspandrelwallmainlydependsontheexperienceofmassconcretecrackcontrollinganditseffectisunsatisfied.ThispaperappliedthesoftwareANSYStoanalyzethetemperatureandshrinkagestressofthespandrelwallwhichpolypropylenetextilefiberwasmixed.Somedistributionlawsoftemperatureandstressofspandrelwallweregained.Thenthispaperusedtheexperienceformulatocalculatethetensilestrengthsofplainconcreteandthesamemixtureratiopolypropylenefiberreinforcedconcreteduringvariousconcreteages,andcomparedwiththemaximumstressoccurredinthewall.Theresultsofthecomparisonprovethatthefiberenhancesthecrackresistanceofthebasementspandrelwallconcreteasitenhancestheconcretetensilestrength.

Keywords:fiberreinforcedconcrete;basementspandrelwall;temperatureshrinkagestress;

ANSYS;crackresistance