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FRP筋混凝土梁彎曲試驗(yàn)及設(shè)計(jì)方法探討
徐新生,紀(jì)濤,鄭永峰
摘 要
(濟(jì)南大學(xué)土木建筑學(xué)院,濟(jì)南 250022)
[摘要]利用我國自主開發(fā)的FRP復(fù)合筋加工混凝土梁式構(gòu)件,采用兩點(diǎn)加荷方式進(jìn)行了彎曲試驗(yàn),測(cè)定了單調(diào)荷載作用下的梁的撓度與相應(yīng)的荷載關(guān)系曲線,研究了配筋率、與混凝土的粘接作用等因素對(duì)構(gòu)件承載能力、變形性能的影響,分析了FRP筋混凝土梁在荷載作用下的變形特征和破壞形態(tài),提出了FRP筋混凝土梁設(shè)計(jì)方法。
[關(guān)鍵詞]FRP筋;混凝土梁;荷載-撓度曲線;延性
Test and design method on flexural resistance performance of concrete beam with FRP bar
Xu Xinsheng, Ji Tao, Zheng Yongfeng(College of Civil Construction of Jinan University, Jinan  250022, China)
Abstract:Utilizing FRP complex bar developed independently by China to process beam type construction member of concrete, it has adopted two points loading method to conduct flexural test, measuring deflection and corresponding load relation curve of beam under simple load action, researching influence of factors of ratio of bar arrangement, adhesive bonding action with concrete, etc. to loading capacity and deformability of construction member, analyzing deformation characteristics and destruction form of FRP bar concrete beam under load action, deriving calculation formula for loading capacity of FRP bar concrete beam, putting forward design method for FRP bar concrete beam. It has supplied reference for engineering technical personnel to conduct FRP bar concrete structural design, construction and formulating of corresponding norm.
Keywords:FRP bar; concrete beam; load-deflection curve; ductility
*山東省教育廳科技攻關(guān)項(xiàng)目(J01E06)。
作者簡(jiǎn)介:徐新生,碩士,教授,Email:xinsheng-xu@163.com。
參考文獻(xiàn)
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[8]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).
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