FRP筋力學(xué)性能指標(biāo)及試驗方法研究
徐新生1,紀(jì)濤1,顧勇2
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(1 濟(jì)南大學(xué)土木建筑學(xué)院,濟(jì)南 250022; 2 墾利縣建筑工程質(zhì)量監(jiān)督站,東營 257500)[摘要]對表面粘砂玻璃纖維筋、碳纖維筋試驗方法、基本力學(xué)性能進(jìn)行試驗研究,測試FRP筋的抗拉強(qiáng)度、彈性模量及延伸率等主要力學(xué)性能指標(biāo);對FRP筋試驗過程、試驗方法、破壞形態(tài)進(jìn)行詳細(xì)介紹,通過對試驗結(jié)果進(jìn)行處理,提出了用于構(gòu)件設(shè)計的力學(xué)性能指標(biāo),供工程技術(shù)人員參考。[關(guān)鍵詞]FRP筋;應(yīng)力-應(yīng)變曲線;表面粘砂;碳纖維;玻璃纖維Experimental research on mechanical property of FRP barXu Xinsheng1, Ji Tao1, Gu Yong2(1College of Civil Construction of Jinan Univ.,Jinan 250022,China; 2Kenli Construction Superintend Station,Dongying 257500,China)Abstract:Cooperating with enterprise, this project has developed surface adhering sand glass fiber bar and carbon fiber bar, conducting experimental research on mechanical property of FRP bar, measuring main mechanical property indexes of tensile strength, elastic modulus and ratio of elongation, etc. of FRP bar; this treatise has conducted detailed introduction for testing process, testing method and destruction form of FRP bar, putting forward mechanical property indexes for element design through treatment on experimental results, for reference of engineering technical personnel.Keywords:FRP bar;stress-strain curve;surface adhering sand;carbon fiber;glass fiber*山東省教育廳科技攻關(guān)項目(J01E06)。作者簡介:徐新生,碩士,教授,Email:xinsheng-xu@163.com。參考文獻(xiàn)[1]丸山武彥.連NFDA2NFDA3維材(FRP)を用いたコンクリトの現(xiàn)狀と將來[J].コンクリト工學(xué),1997.[2]連NFDA2NFDA3維材コンクリト諸性質(zhì)和設(shè)計法[S].(日本)建設(shè)省大臣官房技術(shù)調(diào)查室監(jiān)修.連NFDA2NFDA3維材コンクリト編集委員會編.[3]丸山 武彥. 新素材『FRPロッド』とコンクリト[J].セメント·コンクリト.1994(1).[4]徐新生,等.碳纖維筋混凝土結(jié)構(gòu)設(shè)計及施工技術(shù)探討[J].山東建材學(xué)院學(xué)報,2000(4).[5]關(guān)文夫,等.カンチレバケブル炭素纖維補(bǔ)強(qiáng)材を用いたPCラメン橋[J].コンクリト工學(xué),1993(12).[6]徐新生,等.連續(xù)纖維增強(qiáng)混凝土的研究及應(yīng)用[J].建筑技術(shù)開發(fā),1996(6).[7]American Concrete Institute. Guide for the Design and Construction of Concrete Reinforced with FRP Bars[R].Report No.ACI440R-01, Detroit, Michigan, 2001.[8]拉擠玻璃纖維增強(qiáng)塑料桿拉伸性能實(shí)驗方法(GB/T13096-1-1~91)[S].
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