Study on the shear behavior of RC beams strengthened by CFRP grid with epoxy mortar

Composite Structures - Tập 275 - Trang 114419 - 2021
Lianheng Cai1,2, Qian Liu1, Rui Guo1,2
1Department of Building Engineering, School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031, China
2Department of Civil Engineering, Kyushu University, 744, Motooka, Nishi-ku, Fukuoka 8190395, Japan

Tài liệu tham khảo

Spadea, 2015, Structural effectiveness of FRP materials in strengthening RC beams, Eng Struct, 99, 631, 10.1016/j.engstruct.2015.05.021 Heshmati, 2015, Environmental durability of adhesively bonded FRP/Steel joints in civil engineering applications: State of the art, Compos B Eng, 81, 259, 10.1016/j.compositesb.2015.07.014 Zheng, 2016, Flexural behavior of reinforced concrete beams strengthened with a composite reinforcement layer: BFRP grid and ECC, Constr Build Mater, 115, 424, 10.1016/j.conbuildmat.2016.04.038 Yamaguchi, 2014, Shearing capacity and adhesive characteristic of reinforced interface for RC beam with haunch retrofitted by CFRP covering PCM Shotcrete, Proc Japan Concr Inst, 36, 1261 Wang, 2019, Experimental investigation of stress transfer and failure mechanism between existing concrete and CFRP grid-sprayed PCM, Constr Build Mater, 215, 43, 10.1016/j.conbuildmat.2019.04.168 Higashi Y, Li B, Jiang Y. Reinforcement effect of PCM shotcrete method using FRP grid for tunnel maintenance, International Conference on Renewable Energy Research & Applications. IEEE, 2013. Wang WW, Zheng YZ. Experimental research on shear capacity of concrete beams strengthened with BFRP Grid reinforced ECC, Proceedings of the 9th national FRP applied academic exchange conference on construction projects, Chongqing, China, 2015. Ma, 2020, Mechanical properties and bonding durability of epoxy mortar, Concrete, 7, 103 Yazan, 2020, In situ evaluation of CFRP strengthening for corrosion-deteriorated bridge bent caps, J Bridge Eng, 25, 1 Guo, 2018, Study on design formula of shear capacity of RC beams reinforced by CFRP grid with PCM shotcrete method, Eng Struct, 166, 427, 10.1016/j.engstruct.2018.03.095 Chen WY, Chen XB, Ding Y. The shear behavior of beams strengthened with FRP grid, the 5th international conference on FRP composites in civil engineering, Beijing, China, 2010. Blanksvärd, 2009, Shear strengthening of concrete structures with the use of mineral-based composites, J Compos Constr, 13, 25, 10.1061/(ASCE)1090-0268(2009)13:1(25) Yang, 2018, Flexural strengthening of RC beams with CFRP grid-reinforced ECC matrix, Compos Struct, 189, 9, 10.1016/j.compstruct.2018.01.048 Yang, 2020, Shear strengthening of RC beams with FRP grid-reinforced ECC matrix, Compos Struct, 241, 112120, 10.1016/j.compstruct.2020.112120 Gonzalez-Libreros, 2017, State of research on shear strengthening of RC beams with FRCM composites, Constr Build Mater, 149, 444, 10.1016/j.conbuildmat.2017.05.128 Zheng, 2019, Experimental study on mechanical performance of reinforced concrete beams shear-strengthened with FRP-UHTCC composite, J Build Struct, 40, 118 Zheng, 2016, Flexural behaviour of reinforced concrete beams strengthened with a composite reinforcement layer: BFRP grid and ECC, Constr Build Mater, 115, 424, 10.1016/j.conbuildmat.2016.04.038 Zheng YZ. Experimental and calculation method research on reinforced concrete (RC) beams strengthened with the composite of FRP grid and ECC. Nanjing: Southeast University, 2018. Wang, 2020, Experimental investigation on shear behavior of RC beams strengthened by CFRP grids and PCM, Structures, 27, 1994, 10.1016/j.istruc.2020.07.050 Liu, 2015, Application of FRP grid material in civil engineering, 102 Guo, 2019, Experimental research on shear behavior of RC beams reinforced with FRP grid-ECC, Ind Constr, 49, 145 Hino, 2015, Shearing capacity for RC beam with CFRP grid by reinforcement regions in haunch, Kozo Kogaku Ronbunshu A, 61, 725 Guo, 2020, Study on the flexural strengthening effect of RC beams reinforced by FRP grid with PCM shotcrete, Compos Struct, 239, 112000, 10.1016/j.compstruct.2020.112000 Miyano, 2013, Shearing capacity for RC beam retrofitted by CFRP covering PCM Shotcrete, Proc Japan Concr Inst, 35, 1423 Code for design of concrete structures: GB 50010-2010. Beijing: China Architecture & Building Press, 2010. Standard for test method of concrete structures: GB/T 50152-2012. Beijing: China Architecture & Building Press, 2012. Lee, 2012, Effective strain of RC beams strengthened in shear with FRP, Compos B Eng, 43, 754, 10.1016/j.compositesb.2011.11.050 Zhou, 2019, Shear strength components of adjustable hybrid bonded CFRP shear-strengthened RC beams, Compos B Eng, 163, 36, 10.1016/j.compositesb.2018.11.020 Escrig, 2015, Experimental and analytical study of reinforced concrete beams shear strengthened with different types of textile-reinforced mortar, Constr Build Mater, 83, 248, 10.1016/j.conbuildmat.2015.03.013 Li, 2017, Effect of shear span-depth ratio on mechanical performance of RC beams strengthened in shear with U-wrapping FRP strips, Compos Struct, 177, 141, 10.1016/j.compstruct.2017.06.059 1975 Japan Society of Civil Engineers: Design and Construction Guidelines for Concrete Structures Using Continuous Fiber Reinforcement, JSCE, 1996. ACI 440.2R-08, Guide for the Design and Construction of Externally Bonded FRP Systems for Strengthening of Concrete Structure, American Concrete Institute, Farmington Hill, USA, 2008. Guo, 2019, Experimental study on shear strengthening of RC beams with an FRP grid-PCM reinforcement layer, Appl Sci, 9, 1, 10.3390/app9152984 Kim, 2012, Polyvinyl alcohol engineered cementitious composite (PVA-ECC) for the interfacial bond behaviour of glass fibre reinforced polymer bars (GFRP), Polym Polym Compos, 20, 545, 10.1177/096739111202000605 Qudah, 2014, Application of engineered cementitious composites (ECC) in interior beam–column connections for enhanced seismic resistance, Eng Struct, 69, 235, 10.1016/j.engstruct.2014.03.026 Zhou, 2019, Bond behavior between steel bar and engineered cementitious composite (ECC) considering lateral FRP confinement: Test and modeling, Compos Struct, 226, 111206, 10.1016/j.compstruct.2019.111206 Ding Y, Chen XB, Chen WY. The Flexural Behavior of Beams Strengthened with FRP grid and ECC. The 5th International Conference on FRP Composites in Civil Engineering. Beijing, China, 2010. Choi YC. Bond characteristics between ECC (engineered cementitious composites) and GFRP rebars. Advanced Materials Research, 2013, 602-604:1010–1013. Chen, 2003, Shear capacity of fiber-reinforced polymer-strengthened reinforced concrete beams: fiber reinforced polymer rupture, J Struct Eng ASCE, 129, 615, 10.1061/(ASCE)0733-9445(2003)129:5(615) Chen, 2003, Shear capacity of FRP-strengthened RC beams: FRP debonding, Constr Build Mater, 17, 27, 10.1016/S0950-0618(02)00091-0 Zhou YW. Analytical and experimental study on the strength and ductility of FRP-strengthened high strength concrete beams. Dalian: Dalian University of Technology, 2009. Rizwan, 2018, CFRP grid embedded in mortar for strengthening of shear-critical RC beams, Mag Concr Res, 71, 761