损伤后碳纤维约束高强混凝土柱抗震性能的试验研究
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摘要
国内外学者对碳纤维约束混凝土柱的抗震性能进行了较多研究,但对碳纤维约束高强混凝土圆柱的抗震性能研究相对较少,尤其对损伤后的碳纤维约束高强混凝土圆柱的抗震性能研究更少。对3根碳纤维约束高强混凝土圆柱先进行伪静力试验模拟损伤,加载到纵筋受拉屈服后卸载,再次进行伪静力试验,与3根未损伤碳纤维约束高强混凝土圆柱的抗震性能进行对比,通过对损伤与未损伤模型柱的滞回曲线、骨架曲线、水平承载力、极限位移角等参数的分析比较,考察碳纤维约束高强混凝土柱的剩余抗震性能。
Many researches on seismic behavior of reinforced concrete column with carbon fiber polymer have been done at home and abroad.However,little study on seismic performance of high strength concrete columns confined with CFRP has been carried on,especially,that of damaged high strength concrete columns confined with CFRP.Six specimens of high strength concrete columns confined with CFRP were studied through pseudo-static test.Three of them were subjected to controlled deterioration under cyclic loading first until yielding of the reinforcement.After damaged,the three ones were tested with the other three undamaged specimens.At last,Residual seismic performance of high strength concrete columns confined with CFRP were studied by comparing the damaged specimens with undamaged ones from the hysteretic curve,skeleton curve,horizontal bearing capacity and ultimate displacement angle.
Many researches on seismic behavior of reinforced concrete column with carbon fiber polymer have been done at home and abroad.However,little study on seismic performance of high strength concrete columns confined with CFRP has been carried on,especially,that of damaged high strength concrete columns confined with CFRP.Six specimens of high strength concrete columns confined with CFRP were studied through pseudo-static test.Three of them were subjected to controlled deterioration under cyclic loading first until yielding of the reinforcement.After damaged,the three ones were tested with the other three undamaged specimens.At last,Residual seismic performance of high strength concrete columns confined with CFRP were studied by comparing the damaged specimens with undamaged ones from the hysteretic curve,skeleton curve,horizontal bearing capacity and ultimate displacement angle.
引文
[1]韩克双.碳纤维布加固高强混凝土柱的受力性能试验研究[D].大连:大连理工大学,2005:23-45.
[2]Rovhette P,Labossiere P,Axial Testing of Rectangular ColumnModels Confined with Composites[J].Journal of Composites forConstruction,2000,5(3):129-136.
[3]Shahawy M,Mirmiran A,Beitelman T.Tests and Modeling ofCarbon-Wrapped Concrete Columns[J].Composites,2000(31):471-480.
[4]Chang Shuennyih,Li Yeoufong,Loh Chinhsiung.ExperimentalStudy of Seismic Behaviors of as Built and Carbon Fiber Rein-forced Plastics Repaired Reinforced Concrete Bridge Columns[J].Journal of Bridge Engineering,ASCE,2004(8).
[5]王吉忠,王苏岩,黄承逵.CFRP加固高强混凝土柱抗震性能和延性研究[J].大连理工大学学报,2008,48(5).
[6]王吉忠,杨辉,王苏岩.CFRP加固高强混凝土柱试验及有限元分析[J].武汉大学学报,2008(41).
[7]李静,钱稼茹,蒋剑彪.往复水平作用下CFS约束混凝土柱变形能力试验研究[J].混凝土,2004(8):22-26.
[8]肖建庄,龙海燕,石雪飞.纤维布加固高轴压混凝土柱抗震性能[J].同济大学学报,2004,32(8):990-995.
[9]吴刚,吕志涛,蒋剑彪.碳纤维布加固钢筋混凝土柱抗震性能的试验研究[J].建筑结构,2002,32(10):42-45.
[10]顾冬生,吴刚,吴智深,等.CFRP加固高轴压比钢筋混凝土短圆柱抗震性能试验研究[J].工程抗震与加固改造,2006,28(6):71-77.
[11]魏洋,吴刚,吴智深,等.CFRP加固混凝土短方柱抗震性能试验研究[J].工程抗震与加固改造,2007,29(1):33-38.
[12]张轲,岳清瑞,叶列平,等.碳纤维加固混凝土柱改善延性的试验研究[J].工业建筑,2000,30(2):16-20.
[13]赵海东,赵鸣,张誉.碳纤维布加固钢筋混凝土圆柱的轴心受压试验研究[J].建筑结构,2005,(7):26-28.
[14]冼巧玲,易伟建,丁洪涛.外贴碳纤维布钢筋混凝土偏压柱强度和延性的影响因素分析[J].工业建筑,2005,35(5):101-104.
[15]赵颖华,王东.CFRP加固钢筋混凝土柱的多维拟静力试验研究[J].振动工程学报,2005,18(1):53-58.
[16]白禹,窦立军,金英玉,等.国内外CFRP布加固混凝土柱抗震性能研究现状[J].长春工程学院学报,2009,10(3):25-29.
[17]王伟,宋坤,王大鹏.纤维加固混凝土圆截面短柱抗震性能试验研究[J].世界地震工程,2008,24(4):96-100.
[18]刘涛,冯伟,张智梅.组合FRP技术加固混凝土矩形柱的抗震性能试验研究[J].工程力学,2007,24(6):128-133.
[19]卢明,王震宇.碳纤维约束高强混凝土本构关系与机敏特性研究[M].哈尔滨:哈尔滨工业大学,2006.
[20]李伟,王震宇.基于监测功能碳纤维约束高强混凝土圆柱抗震性能研究[M].哈尔滨:哈尔滨工业大学,2007.
[21]李洪鹏,王震宇.损伤后碳纤维约束高强混凝土圆柱剩余抗震能力试验研究[M].哈尔滨:哈尔滨工业大学,2007.
[22]王震宇,芦学磊,李伟,等.塑性铰区碳纤维约束高强混凝土圆柱抗震性能的试验研究[J].建筑结构,2009(2).
[2]Rovhette P,Labossiere P,Axial Testing of Rectangular ColumnModels Confined with Composites[J].Journal of Composites forConstruction,2000,5(3):129-136.
[3]Shahawy M,Mirmiran A,Beitelman T.Tests and Modeling ofCarbon-Wrapped Concrete Columns[J].Composites,2000(31):471-480.
[4]Chang Shuennyih,Li Yeoufong,Loh Chinhsiung.ExperimentalStudy of Seismic Behaviors of as Built and Carbon Fiber Rein-forced Plastics Repaired Reinforced Concrete Bridge Columns[J].Journal of Bridge Engineering,ASCE,2004(8).
[5]王吉忠,王苏岩,黄承逵.CFRP加固高强混凝土柱抗震性能和延性研究[J].大连理工大学学报,2008,48(5).
[6]王吉忠,杨辉,王苏岩.CFRP加固高强混凝土柱试验及有限元分析[J].武汉大学学报,2008(41).
[7]李静,钱稼茹,蒋剑彪.往复水平作用下CFS约束混凝土柱变形能力试验研究[J].混凝土,2004(8):22-26.
[8]肖建庄,龙海燕,石雪飞.纤维布加固高轴压混凝土柱抗震性能[J].同济大学学报,2004,32(8):990-995.
[9]吴刚,吕志涛,蒋剑彪.碳纤维布加固钢筋混凝土柱抗震性能的试验研究[J].建筑结构,2002,32(10):42-45.
[10]顾冬生,吴刚,吴智深,等.CFRP加固高轴压比钢筋混凝土短圆柱抗震性能试验研究[J].工程抗震与加固改造,2006,28(6):71-77.
[11]魏洋,吴刚,吴智深,等.CFRP加固混凝土短方柱抗震性能试验研究[J].工程抗震与加固改造,2007,29(1):33-38.
[12]张轲,岳清瑞,叶列平,等.碳纤维加固混凝土柱改善延性的试验研究[J].工业建筑,2000,30(2):16-20.
[13]赵海东,赵鸣,张誉.碳纤维布加固钢筋混凝土圆柱的轴心受压试验研究[J].建筑结构,2005,(7):26-28.
[14]冼巧玲,易伟建,丁洪涛.外贴碳纤维布钢筋混凝土偏压柱强度和延性的影响因素分析[J].工业建筑,2005,35(5):101-104.
[15]赵颖华,王东.CFRP加固钢筋混凝土柱的多维拟静力试验研究[J].振动工程学报,2005,18(1):53-58.
[16]白禹,窦立军,金英玉,等.国内外CFRP布加固混凝土柱抗震性能研究现状[J].长春工程学院学报,2009,10(3):25-29.
[17]王伟,宋坤,王大鹏.纤维加固混凝土圆截面短柱抗震性能试验研究[J].世界地震工程,2008,24(4):96-100.
[18]刘涛,冯伟,张智梅.组合FRP技术加固混凝土矩形柱的抗震性能试验研究[J].工程力学,2007,24(6):128-133.
[19]卢明,王震宇.碳纤维约束高强混凝土本构关系与机敏特性研究[M].哈尔滨:哈尔滨工业大学,2006.
[20]李伟,王震宇.基于监测功能碳纤维约束高强混凝土圆柱抗震性能研究[M].哈尔滨:哈尔滨工业大学,2007.
[21]李洪鹏,王震宇.损伤后碳纤维约束高强混凝土圆柱剩余抗震能力试验研究[M].哈尔滨:哈尔滨工业大学,2007.
[22]王震宇,芦学磊,李伟,等.塑性铰区碳纤维约束高强混凝土圆柱抗震性能的试验研究[J].建筑结构,2009(2).
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