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纤维复合材料约束混凝土柱的统一强度模型

, PP. 70-74

Keywords: 桥梁工程,纤维复合材料(FRP),约束混凝土柱,极限抗压强度

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Abstract:

为了更好地研究纤维复合材料(FRP)约束混凝土柱的力学性能,以约束效应系数为主要参数,考虑混凝土截面的形状系数、FRP管中含纤维复合材料的比率和约束效应折减系数对FRP约束混凝土柱极限抗压强度的影响,建立了FRP约束混凝土柱的统一强度模型。研究结果表明FRP约束混凝土柱的极限抗压强度主要与约束效应系数、非约束混凝土的抗压强度、混凝土截面的形状系数以及FRP材料类型有关;该模型可用于FRP约束混凝土圆柱、FRP约束矩形混凝土柱和FRP约束椭圆形混凝土柱的极限抗压强度的计算,模型计算值与试验值吻合较好。

References

[1]  于 峰.PVC-FRP管混凝土柱力学性能的试验研究与理论分析[D].西安:西安建筑科技大学,2007.
[2]  Azarnejad A,Tadros G,Shrive N G,et al.Column strengthening with CFRP wraps[C]// McTavish D.Proceedings of the Canadian Society for Civil Engineering Structural Conference.Montréal:Canadian Society for Civil Engineering,2000:200-207.
[3]  Parvin A,Wang W.Behavior of FRP jacketed concrete columns under eccentric loading[J].Journal of Composites for Construction,2001,5(3):146-152.
[4]  Rochette P,Labossière P.Axial testing of rectangular columns models confined with composites[J].Journal of Composites for Construction,2000,4(3):129-136.
[5]  Shehata I A E M,Carneiro L A V,Shehata L C D.Strength of short concrete columns confined with CFRP sheets[J].Materials and Structures,2002,35:50-58.
[6]  Mark J M,Trevor N G,Nigel G S.Size effects in axially loaded square-section concrete prisms strengthened using carbon fibre reinforced polymer wrapping[J].Canadian Journal of Civil Engineering,2004,35:1-13.
[7]  Mohamed H H.Behavior of gravity load-designed rectangular concrete columns confined with fiber reinforced polymer sheets[J].Journal of Composites for Construction,2005,9(1):4-14.
[8]  Mirmiran A,Shahawy M,Samaan M,et al.Effect of column parameters on FRP-confined concrete[J].Journal of Composites for Construction,1998,2(4):175-185.
[9]  于 峰,牛荻涛.轴心受压FRP约束圆形混凝土圆柱应力-应变模型[J].哈尔滨工业大学学报,2009,41(10):214-216. YU Feng,NIU Di-tao.Stress-strain model of FRP-confined circular column subjected to axial compression[J].Journal of Harbin Institute of Technology,2009,41(10):214-216.
[10]  于 峰,牛荻涛.基于双剪统一强度理论的FRP约束混凝土的承载力[J].哈尔滨工业大学学报,2009,41(12):186-189. YU Feng,NIU Di-tao.Analysis on bearing capacity of FRP-confined concrete based on the twin shear unified strength theory[J].Journal of Harbin Institute of Technology,2009,41(12):186-189.
[11]  于 清,韩林海,张 铮.长期荷载作用对FRP约束混凝土轴心受压构件力学性能的影响[J].中国公路学报,2003,16(3):58-63. YU Qing,HAN Lin-hai,ZHANG Zheng.Long-term effect in FRP-confined concrete stub columns under sustained loading[J].China Journal of Highway and Transport,2003,16(3):58-63.
[12]  Xiao Y,Wu H.Compressive behavior of concrete confined by carbon fiber composite jackets[J].Journal of Material in Civil Engineering,2000,12(2):139-146.
[13]  胡 波,王建国.FRP约束混凝土柱的研究现状与展望[J].建筑科学与工程学报,2009,26(3):96-104. HU Bo,WANG Jian-guo.Research status and prospects of FRP-confined concrete clumns[J].Journal of Architecture and Civil Engineering,2009,26(3):96-104.
[14]  张常光,赵均海,魏雪英.等.外方内圆中空夹层钢管混凝土轴压短柱的极限承载力[J].建筑科学与工程学报,2008,25(4):78-82. ZHANG Chang-guang,ZHAO Jun-hai,WEI Xue-ying,et al.Ultimate bearing capacity of CHS inner and SHS outer concrete-filled double skin tubes stub columns[J].Journal of Architecture and Civil Engineering,2008,25(4):78-82.
[15]  吴 刚,吴智深,罗云标,等.FRP网格约束混凝土圆柱的抗震性能[J].建筑科学与工程学报,2007,24(4):39-44. WU Gang,WU Zhi-shen,LUO Yun-biao,et al.Aseismic performance of circular concrete columns confined with FRP girds[J].Journal of Architecture and Civil Engineering,2007,24(4):39-44.
[16]  Mander J B,Priestley M J N,Park R.Theoretical stress-strain model for confined concrete[J].Journal of Structural Engineering,1988,114(8):1804-1826.
[17]  Teng J G,Lam L.Compressive behavior of carbon fiber reinforced polymer-confined concrete in elliptical columns[J].Journal of Structural Engineering,2002,128(12):1535-1543.

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