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BFRP筋/钢筋混合配筋混凝土梁抗弯试验与有限元分析
Flexural Test and Finite Element Analysis of BFRP Bars/steel Hybrid Reinforced Concrete Beams
2020年第10期
混合配筋混凝土梁;BFRP筋;抗弯性能试验;有限元分析
Hybrid reinforcement concrete beam; BFRP bar; Flexural test; Finite element analysis
2020年第10期
10.19761/j.1000-4637.2020.10.045.06
国家自然科学基金项目(51704029);辽宁省兴辽英才青年拔尖项目(XLYC1807050)。
付 莹1,孔祥清2,于 洋2,高红军3
1.渤海大学 工学院,辽宁 锦州 121001;2.辽宁工业大学 土木建筑工程学院,辽宁 锦州 121001; 3.锦州集信高温材料有限公司,辽宁 锦州 121001

付 莹1,孔祥清2,于 洋2,高红军3

摘   要:通过抗弯性能试验,分析了玄武岩纤维增强筋(BFRP筋)/钢筋混合配筋混凝土梁的承载力、破坏形态、挠度及裂缝发展情况。在试验基础上利用ANSYS软件建立了BFRP筋/钢筋混合配筋混凝土梁的三维有限元数值分析模型,并与试验结果进行了对比。在数值分析模型基础上研究了FRP筋类型及其布置方式对混合配筋混凝土梁抗弯性能的影响。结果表明:BFRP筋/钢筋混合配筋混凝土梁的破坏形式均为钢筋屈服后受压区混凝土被压碎;配筋面积比Af /As越大,初裂荷载越小,裂缝总数越少,挠度逐渐增加;建立的数值分析模型能较准确地模拟BFRP筋/钢筋混合配筋混凝土梁的抗弯性能;BFRP筋、AFRP筋(芳纶纤维增强筋)及GFRP筋(玻璃纤维增强筋)与钢筋混合配筋混凝土梁的荷载-挠度曲线比较接近;与BFRP筋相比,CFRP筋(碳纤维增强筋)/钢筋混合配筋混凝土梁的开裂荷载和极限荷载分别高14.2%和9.3%,最大挠度小35%左右;BFRP筋的布置方式(单层或双层)对混合配筋混凝土梁抗弯性能的影响不大。

Abstract: Through flexural test, the flexural capacity, failure mode, flexibility deformation and crack distribution of basalt fiber reinforced bars (BFRP bars) and steel hybrid reinforced concrete beams were analyzed. Based on the test datas, a 3D finite element model of BFRP bars/steel hybrid reinforced concrete beams was established by using ANSYS software, and compared with the experimental results. Based on the numerical analysis model, the influence of FRP bar types and their arrangement on flexural performance of hybrid reinforced concrete beams was studied. The results show that the failure mode of BFRP bars/steel hybrid reinforced concrete beams is that the concrete in the compression zone is crushed after the steel bars yield. The larger the Af /As, the smaller the initial crack load, the smaller the total number of cracks, and the deflection is increased gradually. The established numerical analysis model can more accurately simulate the flexural performance of BFRP bars/steel hybrid reinforced concrete beams. The load-deflection curves of BFRP bars, AFRP bars, and GFRP bars and steel hybrid reinforced concrete beams are close. Compared with BFRP bars, the cracking load and ultimate load of CFRP bars/rebar hybrid reinforced concrete beams are 14.2% and 9.3% higher, respectively, and the maximum deflection is about 35% smaller. The arrangement of BFRP bars (single layer or double layer) has little effect on the flexural performance of hybrid reinforced concrete beams.

付莹,孔祥清,于洋,等.BFRP筋/钢筋混合配筋混凝土梁抗弯试验与有限元分析[J].混凝土与水泥制品,2020(10):45-50.

FU Y,KONG X Q,YU Y,et al.Flexural Test and Finite Element Analysis of BFRP Bars/steel Hybrid Reinforced Concrete Beams[J].CHINA CONCRETE AND CEMENT PRODUCTS,2020(10):45-50.

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摘   要:通过抗弯性能试验,分析了玄武岩纤维增强筋(BFRP筋)/钢筋混合配筋混凝土梁的承载力、破坏形态、挠度及裂缝发展情况。在试验基础上利用ANSYS软件建立了BFRP筋/钢筋混合配筋混凝土梁的三维有限元数值分析模型,并与试验结果进行了对比。在数值分析模型基础上研究了FRP筋类型及其布置方式对混合配筋混凝土梁抗弯性能的影响。结果表明:BFRP筋/钢筋混合配筋混凝土梁的破坏形式均为钢筋屈服后受压区混凝土被压碎;配筋面积比Af /As越大,初裂荷载越小,裂缝总数越少,挠度逐渐增加;建立的数值分析模型能较准确地模拟BFRP筋/钢筋混合配筋混凝土梁的抗弯性能;BFRP筋、AFRP筋(芳纶纤维增强筋)及GFRP筋(玻璃纤维增强筋)与钢筋混合配筋混凝土梁的荷载-挠度曲线比较接近;与BFRP筋相比,CFRP筋(碳纤维增强筋)/钢筋混合配筋混凝土梁的开裂荷载和极限荷载分别高14.2%和9.3%,最大挠度小35%左右;BFRP筋的布置方式(单层或双层)对混合配筋混凝土梁抗弯性能的影响不大。 Abstract: Through flexural test, the flexural capacity, failure mode, flexibility deformation and crack distribution of basalt fiber reinforced bars (BFRP bars) and steel hybrid reinforced concrete beams were analyzed. Based on the test datas, a 3D finite element model of BFRP bars/steel hybrid reinforced concrete beams was established by using ANSYS software, and compared with the experimental results. Based on the numerical analysis model, the influence of FRP bar types and their arrangement on flexural performance of hybrid reinforced concrete beams was studied. The results show that the failure mode of BFRP bars/steel hybrid reinforced concrete beams is that the concrete in the compression zone is crushed after the steel bars yield. The larger the Af /As, the smaller the initial crack load, the smaller the total number of cracks, and the deflection is increased gradually. The established numerical analysis model can more accurately simulate the flexural performance of BFRP bars/steel hybrid reinforced concrete beams. The load-deflection curves of BFRP bars, AFRP bars, and GFRP bars and steel hybrid reinforced concrete beams are close. Compared with BFRP bars, the cracking load and ultimate load of CFRP bars/rebar hybrid reinforced concrete beams are 14.2% and 9.3% higher, respectively, and the maximum deflection is about 35% smaller. The arrangement of BFRP bars (single layer or double layer) has little effect on the flexural performance of hybrid reinforced concrete beams.
英文名 : Flexural Test and Finite Element Analysis of BFRP Bars/steel Hybrid Reinforced Concrete Beams
刊期 : 2020年第10期
关键词 : 混合配筋混凝土梁;BFRP筋;抗弯性能试验;有限元分析
Key words : Hybrid reinforcement concrete beam; BFRP bar; Flexural test; Finite element analysis
刊期 : 2020年第10期
DOI : 10.19761/j.1000-4637.2020.10.045.06
文章编号 :
基金项目 : 国家自然科学基金项目(51704029);辽宁省兴辽英才青年拔尖项目(XLYC1807050)。
作者 : 付 莹1,孔祥清2,于 洋2,高红军3
单位 : 1.渤海大学 工学院,辽宁 锦州 121001;2.辽宁工业大学 土木建筑工程学院,辽宁 锦州 121001; 3.锦州集信高温材料有限公司,辽宁 锦州 121001

付 莹1,孔祥清2,于 洋2,高红军3

摘   要:通过抗弯性能试验,分析了玄武岩纤维增强筋(BFRP筋)/钢筋混合配筋混凝土梁的承载力、破坏形态、挠度及裂缝发展情况。在试验基础上利用ANSYS软件建立了BFRP筋/钢筋混合配筋混凝土梁的三维有限元数值分析模型,并与试验结果进行了对比。在数值分析模型基础上研究了FRP筋类型及其布置方式对混合配筋混凝土梁抗弯性能的影响。结果表明:BFRP筋/钢筋混合配筋混凝土梁的破坏形式均为钢筋屈服后受压区混凝土被压碎;配筋面积比Af /As越大,初裂荷载越小,裂缝总数越少,挠度逐渐增加;建立的数值分析模型能较准确地模拟BFRP筋/钢筋混合配筋混凝土梁的抗弯性能;BFRP筋、AFRP筋(芳纶纤维增强筋)及GFRP筋(玻璃纤维增强筋)与钢筋混合配筋混凝土梁的荷载-挠度曲线比较接近;与BFRP筋相比,CFRP筋(碳纤维增强筋)/钢筋混合配筋混凝土梁的开裂荷载和极限荷载分别高14.2%和9.3%,最大挠度小35%左右;BFRP筋的布置方式(单层或双层)对混合配筋混凝土梁抗弯性能的影响不大。

Abstract: Through flexural test, the flexural capacity, failure mode, flexibility deformation and crack distribution of basalt fiber reinforced bars (BFRP bars) and steel hybrid reinforced concrete beams were analyzed. Based on the test datas, a 3D finite element model of BFRP bars/steel hybrid reinforced concrete beams was established by using ANSYS software, and compared with the experimental results. Based on the numerical analysis model, the influence of FRP bar types and their arrangement on flexural performance of hybrid reinforced concrete beams was studied. The results show that the failure mode of BFRP bars/steel hybrid reinforced concrete beams is that the concrete in the compression zone is crushed after the steel bars yield. The larger the Af /As, the smaller the initial crack load, the smaller the total number of cracks, and the deflection is increased gradually. The established numerical analysis model can more accurately simulate the flexural performance of BFRP bars/steel hybrid reinforced concrete beams. The load-deflection curves of BFRP bars, AFRP bars, and GFRP bars and steel hybrid reinforced concrete beams are close. Compared with BFRP bars, the cracking load and ultimate load of CFRP bars/rebar hybrid reinforced concrete beams are 14.2% and 9.3% higher, respectively, and the maximum deflection is about 35% smaller. The arrangement of BFRP bars (single layer or double layer) has little effect on the flexural performance of hybrid reinforced concrete beams.

付莹,孔祥清,于洋,等.BFRP筋/钢筋混合配筋混凝土梁抗弯试验与有限元分析[J].混凝土与水泥制品,2020(10):45-50.

FU Y,KONG X Q,YU Y,et al.Flexural Test and Finite Element Analysis of BFRP Bars/steel Hybrid Reinforced Concrete Beams[J].CHINA CONCRETE AND CEMENT PRODUCTS,2020(10):45-50.

摘要
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结论
参考文献
引用本文

摘   要:通过抗弯性能试验,分析了玄武岩纤维增强筋(BFRP筋)/钢筋混合配筋混凝土梁的承载力、破坏形态、挠度及裂缝发展情况。在试验基础上利用ANSYS软件建立了BFRP筋/钢筋混合配筋混凝土梁的三维有限元数值分析模型,并与试验结果进行了对比。在数值分析模型基础上研究了FRP筋类型及其布置方式对混合配筋混凝土梁抗弯性能的影响。结果表明:BFRP筋/钢筋混合配筋混凝土梁的破坏形式均为钢筋屈服后受压区混凝土被压碎;配筋面积比Af /As越大,初裂荷载越小,裂缝总数越少,挠度逐渐增加;建立的数值分析模型能较准确地模拟BFRP筋/钢筋混合配筋混凝土梁的抗弯性能;BFRP筋、AFRP筋(芳纶纤维增强筋)及GFRP筋(玻璃纤维增强筋)与钢筋混合配筋混凝土梁的荷载-挠度曲线比较接近;与BFRP筋相比,CFRP筋(碳纤维增强筋)/钢筋混合配筋混凝土梁的开裂荷载和极限荷载分别高14.2%和9.3%,最大挠度小35%左右;BFRP筋的布置方式(单层或双层)对混合配筋混凝土梁抗弯性能的影响不大。

Abstract: Through flexural test, the flexural capacity, failure mode, flexibility deformation and crack distribution of basalt fiber reinforced bars (BFRP bars) and steel hybrid reinforced concrete beams were analyzed. Based on the test datas, a 3D finite element model of BFRP bars/steel hybrid reinforced concrete beams was established by using ANSYS software, and compared with the experimental results. Based on the numerical analysis model, the influence of FRP bar types and their arrangement on flexural performance of hybrid reinforced concrete beams was studied. The results show that the failure mode of BFRP bars/steel hybrid reinforced concrete beams is that the concrete in the compression zone is crushed after the steel bars yield. The larger the Af /As, the smaller the initial crack load, the smaller the total number of cracks, and the deflection is increased gradually. The established numerical analysis model can more accurately simulate the flexural performance of BFRP bars/steel hybrid reinforced concrete beams. The load-deflection curves of BFRP bars, AFRP bars, and GFRP bars and steel hybrid reinforced concrete beams are close. Compared with BFRP bars, the cracking load and ultimate load of CFRP bars/rebar hybrid reinforced concrete beams are 14.2% and 9.3% higher, respectively, and the maximum deflection is about 35% smaller. The arrangement of BFRP bars (single layer or double layer) has little effect on the flexural performance of hybrid reinforced concrete beams.

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(1)BFRP筋/钢筋混合配筋混凝土梁的破坏形式均为钢筋屈服后受压区混凝土被压碎,且配筋面积比Af /As越大,初裂荷载越小,裂缝总数量越少。
(2)混合配筋混凝土梁的荷载-挠度曲线表现出明显的三线性特征,曲线的两个转折点分别对应开裂荷载和钢筋屈服荷载。随配筋面积比Af /As的增大,混合配筋混凝土梁的挠度逐渐增加,说明可以通过合理控制BFRP筋/钢筋的配筋面积比来满足规范对构件变形控制的要求。
(3)数值计算得到的BFRP筋/钢筋混合配筋混凝土梁的破坏形式、荷载-挠度关系以及裂缝开展等均与试验结果基本一致,说明本文建立的三维有限元数值模型能够有效模拟BFRP筋/钢筋混合配筋混凝土梁的抗弯性能。
(4)BFRP筋、AFRP筋及GFRP筋与钢筋混合配筋混凝土梁的荷载-挠度曲线较接近,而CFRP筋/钢筋混合配筋混凝土梁的抗弯性能与其他三种混合配筋混凝土梁相差较大。与BFRP筋/钢筋混合配筋混凝土梁相比,CFRP筋/钢筋混合配筋混凝土梁的开裂荷载和极限荷载分别高14.2%和9.3%,最大挠度则小35%左右。
(5)在配筋率和配筋面积比一定的情况下,改变BFRP筋布置方式(单层或双层)对混合配筋混凝土梁的影响不大。

[1] 高丹盈,李趁趁,朱海堂.纤维增强塑料筋的性能与发展[J].纤维复合材料,2002(4):38-40.
[2] 张新越,欧进萍,王勃.FRP加筋混凝土梁受弯试验研究与有限元分析[J].建筑科学,2008,24(11):1-5.
[3] ERKI M A,RIZKALLA S H.FRP Reinforcement for concrete structures[J].Concrete International,1993,15:48-53.
[4] 冯肖,葛文杰,陈坦,等.FRP筋混凝土梁研究现状[J].新型建筑材料,2015,42(12):48-51.
[5] ADAM M A,SAID M,MAHMOUD A A,et al.Analytical and experimental flexural behavior of concrete beams reinforcedwith glass fiber reinforced polymers bars[J].Construction and Building Materials,2015,84(2):354-366.
[6] TAN K H.Behaviour of hybrid FRP-steel reinforced concrete beams[C]//Japan Concrete Institute.Proceeding of the Third International Symposium on Non-metallic (FRP) Reinforcement for Concrete Structures(FRPRCS-3).Sapporo:Japan Concrete Institute,1997:487-494.
[7] 孔祥清,鲍成成,章文姣,等.GFRP筋和钢筋混合配筋混凝土梁受弯性能数值模拟研究[J].混凝土,2017(7):50-54.
[8] 孔祥清,于洋,高化东,等.FRP筋和钢筋混合配筋混凝土梁受弯性能数值模拟及理论分析[J].玻璃钢/复合材料,2018(1):38-44.
[9] AHMED E R,FARID A,ABDULLAH A R.Structural performance and serviceability of concrete beams reinforced with hybrid (GFRP and steel) bars[J].Construction and Building Materials,2015,96:518-529.
[10] YOO D Y,BANTHIA N,YOON Y S.Flexural behavior of ultra-high-performance fiber-reinforced concrete beams reinforced with GFRP and steel rebars[J].Engineering Structures, 2016,111:246-262.
[11] LEUNG H Y,BALENDRAN R V.Flexural behaviour of concrete beams internally reinforced with GFRP rods and steel rebars[J].Structural Survey,2003,21(4):146-157.
[12] 陈辉.GFRP筋与钢筋混合配筋混凝土受弯构件的试验研究与理论分析[D].成都:西南交通大学,2007.
[13] 葛文杰,张继文,戴航,等.FRP筋和钢筋混合配筋增强混凝土梁受弯性能[J].东南大学学报(自然科学版),2012,42(1):115-119.
[14] 屈文俊,陈道普,黄海群.钢-GFRP混合配筋混凝土梁抗弯承载力计算[J].建筑结构,2006,12:22-24.
[15] 中华人民共和国住房与城乡建设部.混凝土结构试验方法标准:GB/T 50152—2012[S].北京:中国建筑工业出版社,2012.
[16] OVITIGALA B T,IBRAHIM M A,ISSA M A.Serviceability and Ultimate Load Behavior of Concrete Beams Reinforced with Basalt Fiber-Reinforced Polymer Bars[J].Aci Structural Journal, 2016,113(4):756-767.
[17] 鲍成成.BFRP筋再生混凝土梁抗弯性能研究[D].锦州: 辽宁工业大学,2017. 
[18] 韩飞,孔祥清,鲍成成,等.BFRP筋再生混凝土梁抗弯性能试验研究[J].玻璃钢/复合材料,2017(12):45-50.
[19] 何荣炳,江世永,熊晔.AFRP筋混凝土粘结强度和锚固长度的试验研究[J].工业建筑,2008,38(7):71-74.
[20] 张海霞.FRP筋与混凝土粘结滑移性能研究[D].沈阳:东北大学,2006.

付莹,孔祥清,于洋,.BFRP/钢筋混合配筋混凝土梁抗弯试验与有限元分析[J].混凝土与水泥制品,2020(10):45-50.

FU Y,KONG X Q,YU Y,et al.Flexural Test and Finite Element Analysis of BFRP Bars/steel Hybrid Reinforced Concrete Beams[J].CHINA CONCRETE AND CEMENT PRODUCTS,2020(10):45-50.

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