RESEARCHES ON DEFORMABILITY OF RC BEAMS STRENGTHENED WITH EXTERNAL CFRP SHEETS CONSIDERING THE CRACK DISTRIBUTION

Lin Xinyan; Zhu Xiaojing; Meng Haiping

doi:10.13204/j.gyjz201308017

Volume 43 Issue 8

Dec. 2014

Turn off MathJax

Article Contents

Abstract

References

Article Navigation > INDUSTRIAL CONSTRUCTION > 2013 > 43(8): 79-82,89

Lin Xinyan, Zhu Xiaojing, Meng Haiping. RESEARCHES ON DEFORMABILITY OF RC BEAMS STRENGTHENED WITH EXTERNAL CFRP SHEETS CONSIDERING THE CRACK DISTRIBUTION[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(8): 79-82,89. doi: 10.13204/j.gyjz201308017

Citation:

Lin Xinyan, Zhu Xiaojing, Meng Haiping. RESEARCHES ON DEFORMABILITY OF RC BEAMS STRENGTHENED WITH EXTERNAL CFRP SHEETS CONSIDERING THE CRACK DISTRIBUTION[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(8): 79-82,89. doi: 10.13204/j.gyjz201308017

Citation:

PDF( 0 KB)

RESEARCHES ON DEFORMABILITY OF RC BEAMS STRENGTHENED WITH EXTERNAL CFRP SHEETS CONSIDERING THE CRACK DISTRIBUTION

doi: 10.13204/j.gyjz201308017

1.
School of Civil Engineering,Henan Polytechnic University,Jiaozuo 454000,China

Received Date: 2013-03-12
Publish Date: 2013-08-20

Abstract

Abstract

A model consisting of a system of nonlinear differential equations, named block model, was constructed to study the local curvature between two adjacent cracks.Utilizing this model, the deflections at the midspan in 10 RC beams bonded with external CFRP were simulated when the distance between two consecutive cracks was the maximum crack spacing 2Lb and minimum crack spacing Lb, which could be obtained from cracking analysis based on bond stress and slip.Comparisons between the simulated midspan deflection and that of experiment indicate that the proposed nonlinear model is able to predict the deformability behavior of RC beams strengthened with external CFRP sheets.Furthermore, the results indicate that the crack distribution has little influence on deflection of beam, so the traditional approach called moment-average curvature is reasonable to calculate the deflection of beam in practice.
- RC beam,
- CFRP,
- crack distribution,
- local curvature,
- deflection

FullText(HTML)

References(11)

References

[2] 彭晖,张建仁,尚守平.预应力碳纤维加固钢筋混凝土梁的二次受力性能研究[J].工业建筑,2011,41(3):108－112.

何原野,刘清,王克新.新疆自然环境下外贴纤维增强材料加固混凝土梁受弯性能的试验研究[J].工业建筑,2012,42(3):76－79,112.

[3] AlessandRo P Fantilli, Deniele FeRRetti, Ivo IoRi, et al. FlexuRal?DefoRmability of ReinfoRced ConcRete Beams [J].JouRnal of?StRuctuRal EngineeRing,1998,124(9):1041－1049.

[4] Aiello M A, OmbRes L. Load-Deflection Analysis of FRP ReinfoRced ConcRete FlexuRal MembeRs [J].JouRnal of Composites?foR ConstRuction,2000,4(4):164－171.

[5] GB 500102010混凝土结构设计规范[S].

[6] Eligehausen R, Popov E P, BeRteRo V V. Local Bond StRess-Slip Relationships of DefoRmed BaRs UndeR GeneRalized Excitations [R].BeRkeley: EnviRonmental EngineeRing ReseaRch Councils,?UniveRsity of CalifoRnia,1983.

[7] Yuan H, Teng J G, SeRacin R, et al. Full-Range BehavioR of?FRP-to-ConcRete Bonded Joints [J].EngineeRing StRuctuRes,2004,26:553－565.

[8] Teng J G, Yuan H, Chen J F. FRP-to-ConcRete InteRfaces?Between Two Adjacent CRacks: TheoRetical Model foR Debonding?FailuRe [J].InteRnational JouRnal of Solids and StRuctuRes,2006,43:5750－5778.

[9] MaRisa Pecce, FRancesca CeRoni. Modeling of Tension-Stiffening?BehavioR of ReinfoRced ConcRete Ties StRengthened with FibeR ReinfoRced Plastic Sheets [J].JouRnal of Composites foR ConstRuction,2004,8(6):510－518.

[10] 曹双寅,蔺新艳,敬登虎,等.外贴碳纤维布加固钢筋混凝土梁裂缝性能试验研究[J].建筑结构学报,2010,31(1):33－40.

[11] 蔺新艳,曹双寅.外贴 CFRP 加固混凝土梁裂缝间 CFRP 与混凝土界面粘结性能研究[J].工程力学,2008,25(11):149－155.

Relative Articles

[1]	PENG Yaping, WANG Wenchao, JIN Peng, LI Honglin, SHI Lei. Experimental Research on CFRP-concrete Two-way Composite Floor Slab Connected Without Gap Under Static Load[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(1): 205-210. doi: 10.13204/j.gyjzG20090102
[2]	HU Wenhao, GUO Rui, REN Yu. Study on the Flexural Capacity of RC Beams Strengthened with FRP Grids Based on the Bond-Slip Cohesive Model[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(3): 216-226. doi: 10.13204/j.gyjzG21062512
[3]	ZHU Zewen, DAI Li, MAO Lin. ANALYSIS OF SHEAR RELIABILITY OF REINFORCED CONCRETE BEAMS STRENGTHENED WITH SNSM CFRP UNDER THE ACTION OF ENVIRONMENTAL EFFECTS[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(8): 214-218. doi: 10.13204/j.gyjzG20081010
[4]	DU Min, CHEN Siyuan, GUO Jingye, HAO Han, GUO Rui. EXPERIMENTAL RESERCH ON SHEAR PROPERTIES OF RC BEAMS REINFORCED WITH FRP GRIDS AND EPOXY MORTAR[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(8): 206-213,119. doi: 10.13204/j.gyjzG20110320
[5]	Zhang Peng, Liu Wenbing, Deng Yu, Qu Jian, Guo Jiajia, Yu Zhaohang, Zhao Simin. EXPERIMENTAL STUDY OF CRACK OF CFRP － PCPS COMPOSITES REINFORCED CONCRETE BEAMS[J]. INDUSTRIAL CONSTRUCTION, 2015, 45(4): 72-76. doi: 10.13204/j.gyjz201504013
[6]	Han Quanji, Wang Shouheng, Zhu Haitang, Gao Danying, Cui Haibo. DEFORMATION BEHAVIOR OF STEEL FIBER REINFORCED CONCRETE BEAMS WITH BASALT FRP BARS UNDER REPEATED LOAD AFTER SUSTAINED LOADING[J]. INDUSTRIAL CONSTRUCTION, 2014, 44(09): 74-77.
[7]	Xu Ming, Pang Fangteng, Chen Zhongfan. FLEXURAL BEHAVIOR OF REINFORCED CONCRETE BEAMS STRENGTHENED WITH CFRP SHEETS BONDED WITH INORGANIC MATRIX[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(4): 156-159. doi: 10.13204/j.gyjz201304032
[8]	Wang Yutian, Zhang Wei, Jiang Fuxiang. EXPERIMENT ON THE BENDING PERFORMANCE OF CFRP REINFORCED PRE-DAMAGED REINFORCED CONCRETE BEAM UNDER SEAWATER ENVIRONMENT[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(2): 99-103. doi: 10.13204/j.gyjz201302020
[9]	Liang Xingwen, Chen Difa, Huang Xiaokun, Zhu Aiping. CALCULATION METHOD FOR DEFLECTION OF REINFORCED CONCRETE TWO-WAY SLAB-AND-BEAM FLOOR SYSTEM[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(4): 71-75. doi: 10.13204/j.gyjz201304015
[10]	Zhang Peng, Nie Wei, Deng Yu, Qu Jian, Liu Fengtao, Ling Yaqing, Ji Shuai. EXPERIMENTAL STUDY AND CALCULATION ON DEFLECTION OF THE NEW CFRP-PCPS CONCRETE BEAM[J]. INDUSTRIAL CONSTRUCTION, 2013, 43(12): 78-81,103. doi: 10.13204/j.gyjz201312014
[11]	Ge Ruodong, Liang Jinxiu, Wang Lei. THE ANALYSIS OF FLEXURAL BEHAVIOR OF CORRODED RC BEAMS STRENGTHENED WITH CFRP UNDER FATIGUE LOADS[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(6): 72-76. doi: 10.13204/j.gyjz201206016
[12]	Ding Yahong, Hao Huimin. RELIABILITY ANALYSIS OF RC CONCRETE BEAMS STRENGTHENED WITH NSM CFRP TENDONS[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(11): 140-144. doi: 10.13204/j.gyjz201211030
[13]	Peng Hui, Zhang Jianren, Shang Shouping. STUDY ON SECONDARY LOAD BEHAVIOR OF REINFORCED CONCRETE BEAM STRENGTHENED WITH PRESTRESSED CFRP PLATE[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(3): 108-112. doi: 10.13204/j.gyjz201103021
[14]	Zhao Yong, Wang Xiaofeng, Su Xiaozu, Cheng Zhijun. EXPERIMENTAL RESEARCH ON THE EFFECTS OF SURFACE REINFORCEMENT ON CRACK SPACING AND WIDTH OF REINFORCED CONCRETE BEAMS[J]. INDUSTRIAL CONSTRUCTION, 2009, 39(11): 29-32. doi: 10.13204/j.gyjz200911008
[15]	Ouyang Yu, Zhang Yunchao, Li Xiang. THE RESEARCH ON SHEAR CAPACITY OF RC BEAMS STRENGTHENEDWITH BFRP SHEETS[J]. INDUSTRIAL CONSTRUCTION, 2009, 39(1): 134-137. doi: 10.13204/j.gyjz200901030
[16]	Ouyang Yu, Wang Peng, Zhang Yunchao. CALCULATION AND ANALYSIS OF FLEXURAL AND SHEAR CAPACITY OF RC BEAMS STRENGTHENED WITH BFRP SHEETS[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(6): 24-27. doi: 10.13204/j.gyjz200706007
[17]	An Ming-liang. EXPERIMENTAL STUDIES ON BENDING LOAD CAPACITY OF RC BEAM STRENGTHENED WITH CFRP PLATE[J]. INDUSTRIAL CONSTRUCTION, 2006, 36(10): 43-45. doi: 10.13204/j.gyjz200610013
[18]	Ye Lieping, Zhuang Jiangbo, Zeng Pan, Zhou Xiaorong, ShaWulieti, Yang Yongxin. EXPERIMENTAL STUDY ON REINFORCED CONCRETE T- BEAMS STRENGTHENED WITH PRESTRESSED CFRP SHEETS[J]. INDUSTRIAL CONSTRUCTION, 2005, 35(8): 7-12. doi: 10.13204/j.gyjz200508003
[19]	Xue Ping. COMPUTATIONAL METHOD OF BEARING CAPACITY OF BENDING NORMAL SECTION OF REINFORCED CONCRETE BEAM WITH RECTANGULAR SECTION STRENGTHENED BY CFRP[J]. INDUSTRIAL CONSTRUCTION, 2004, 34(5): 76-77,90. doi: 10.13204/j.gyjz200405024
[20]	Xiong Xueyu, Wang Shousheng. THE DEFLECTION CALCULATION OF EXTERNALLY PRESTRESSED CONCRETE BEAM[J]. INDUSTRIAL CONSTRUCTION, 2004, 34(7): 12-15. doi: 10.13204/j.gyjz200407003