钢筋约束PVA纤维水泥基复合材料抗压试验研究

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发布时间：2020-01-06 00:00:00

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钢筋约束PVA纤维水泥基复合材料抗压试验研究

Compressive Experimental Research on Polyvinyl Alcohol (PVA) Fiber Reinforced Cementitious Composites

２０14年第7期

钢筋约束；聚乙烯醇纤维；水泥基复合材料；单轴受压；应力-应变曲线

Steel reinforcement; PVA fibers; Cementitious composites; Uniaxial compression; Stress-strain curve

２０14年第7期

1000-4637（2014）07-47-06

国家自然科学基金项目（No.50968011，51168033， 51368041）；内蒙古自然科学基金项目（2012MS0706， 2013MS0709）；内蒙古自治区高等学校科学研究项目（No.NJZY12058，NJZY13104）；内蒙古工业大学科

姜海军1,2，刘曙光1，闫长旺1，张菊1

1.内蒙古工业大学矿业学院，呼和浩特 010051；2.中国矿业大学矿业工程学院，徐州 221116

姜海军1,2，刘曙光1，闫长旺1，张菊1

浏览量:

1000

摘要：研究了钢筋约束聚乙烯醇纤维增强水泥基复合材料（Polyvinylalcoholfiberreinforcedcementitiouscomposites，简称PVA-FRCCs）的单轴受压力学性能。通过抗压试验获得棱柱体试件的应力-应变全曲线，计算获得峰值应力、峰值应变、弹性模量等参数，并系统地分析了纤维体积掺量、掺合料（粉煤灰和硅灰）对上述参数的影响。此外，通过对试验数据和已存模型的比较，获得了一个能够描述其应力-应变全曲线的非线性本构模型。Abstract:Theuniaxialcompressionpropertyofpolyvinylalcoholfiberreinforcedcementitiouscomposites(PVA-FRCCs)withsteelreinforcementisanalyzed.Thestress-straincurvesareobtained,thecompressiveparameterssuchaspeakstress,averagestrainatpeakstress,elasticmodulusarecalculated,andtheeffectsoffibervolumefractionandadmixtures(flyashandsilicafume)ontheaboveparametersarestudied.Inaddition,bycomparingtheexperimentalresultswithexistingmodels,anonlinearconstitutivemodelsfordescribingstress-straincurvesisachieved.

英文名 : Compressive Experimental Research on Polyvinyl Alcohol (PVA) Fiber Reinforced Cementitious Composites

刊期 : ２０14年第7期

关键词 : 钢筋约束；聚乙烯醇纤维；水泥基复合材料；单轴受压；应力-应变曲线

Key words : Steel reinforcement; PVA fibers; Cementitious composites; Uniaxial compression; Stress-strain curve

刊期 : ２０14年第7期

DOI :

文章编号 : 1000-4637（2014）07-47-06

基金项目 : 国家自然科学基金项目（No.50968011，51168033， 51368041）；内蒙古自然科学基金项目（2012MS0706， 2013MS0709）；内蒙古自治区高等学校科学研究项目（No.NJZY12058，NJZY13104）；内蒙古工业大学科

作者 : 姜海军1,2，刘曙光1，闫长旺1，张菊1

单位 : 1.内蒙古工业大学矿业学院，呼和浩特 010051；2.中国矿业大学矿业工程学院，徐州 221116

姜海军1,2，刘曙光1，闫长旺1，张菊1

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摘要

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参考文献

引用本文

Abstract: The uniaxial compression property of polyvinyl alcohol fiber reinforced cementitious composites (PVA-FRCCs) with steel reinforcement is analyzed. The stress-strain curves are obtained, the compressive parameters such as peak stress, average strain at peak stress, elastic modulus are calculated, and the effects of fiber volume fraction and admixtures (fly ash and silica fume) on the above parameters are studied. In addition, by comparing the experimental results with existing models, a nonlinear constitutive models for describing stress-strain curves is achieved.

关键词:

钢筋约束；聚乙烯醇纤维；水泥基复合材料；单轴受压；应力-应变曲线

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钢筋约束PVA纤维水泥基复合材料抗压试验研究

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