锈蚀钢筋混凝土压弯构件恢复力模型研究
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摘要
根据目前已有试验资料和理论分析,结合钢筋锈蚀引起结构破坏形态的改变,综合考虑结构各种耐久性损伤因素,并对箍筋锈蚀进行修正,提出了锈蚀钢筋混凝土压弯构件基于地震损伤的恢复力模型的确定方法。通过与现有试验进行对比分析,表明模型描绘的骨架曲线与试验结果总体吻合较好,模型计算的滞回曲线所描述的现象与试验一致,该恢复力模型可在损伤钢筋混凝土结构地震反应分析中采用。
Based on available experiments and theoretical analyses,combining with morphological changes of the structures due to steel corrosion and considering all kinds of durability damage to structure,and amendment caused by stirrup corrosion,the method to determine the restoring force model of corroded reinforced concrete members under flexural and compressive stress is proposed.Based on the comparison with the existing experimental data in the available references,the calculated skeleton curves of this model agree well with the trial values of references and the calculated hysteretic curves of the model is in agreement with the experiment results in references.This can be used in the seismic response analysis of damaged reinforced concrete structures.
Based on available experiments and theoretical analyses,combining with morphological changes of the structures due to steel corrosion and considering all kinds of durability damage to structure,and amendment caused by stirrup corrosion,the method to determine the restoring force model of corroded reinforced concrete members under flexural and compressive stress is proposed.Based on the comparison with the existing experimental data in the available references,the calculated skeleton curves of this model agree well with the trial values of references and the calculated hysteretic curves of the model is in agreement with the experiment results in references.This can be used in the seismic response analysis of damaged reinforced concrete structures.
引文
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[12]徐善华.钢筋混凝土结构退化模型与耐久性评估[D].西安.西安建筑科技大学,2003.XU Shanhua.The models of deterioration and durability evaluation of reinforced concrete structure[D].Xi’an:Xi’an University of Architectureand Technology,2003.(in Chinese)
[13]吴庆,袁迎曙.锈蚀钢筋力学性能退化规律试验研究[J].土木工程学报,2008,41(12):42-47.WU Qing,YUAN Yingshu.Experimental study on the deterioration of mechanical properties of corroded steel bars[J].China Civil EngineeringJournal,2008,41(12):42-47.(in Chinese)
[14]欧进萍,何政,吴斌,等.钢筋混凝土结构基于地震损伤性能的设计[J].地震工程与工程振动,1999,19(1):21-30.OU Jinping,HE Zheng,WU Bin,et al.Seismic damage performance-based design of reinforced concrete structures[J].Journal of EarthquakeEngineering and Engineering Vibration,1999,19(1):21-30.(in Chinese)
[15]Park Y J,Ang A H-S.Mechanistic seismic damage model for reinforced concrete[J].Journal of Structural Engineering,ASCE,1985,3(4):722-739.
[16]翁义军,冯世平.房屋结构抗震设计[M].北京:地震出版社,1990.WENG Yijun,FENG Shiping.Seismic design of building structure[M].Beijing:Seismological Press,1990.(in Chinese)
[17]颜桂云,孙炳楠,王泽军,等.锈蚀钢筋混凝土压弯构件抗震性能的试验研究[J].建筑结构,2003,33(2):16-18.YAN Guiyun,SUN Bingnan,WANG Zejun,et al.Experimental studies on seismic behavior of corroded reinforced concrete members with flexureand compression[J].Building Structure,2003,33(2):16-18.(in Chinese)
[18]过镇海,时旭东.钢筋混凝土原理和分析[M].北京:清华大学出版社,2003:337.GUO Zhenhai,SHI Xudong.Reinforced concrete theory and analyse[M].Beijing:Tsinghua University Press,2003:337.(in Chinese)
[2]贡金鑫,仲伟秋,赵国藩.受腐蚀钢筋混凝土偏心受压构件底周反复性能的试验研究[J].建筑结构学报,2004,25(5):92-97.GONG Jinxin,ZHONG Weiqiu,ZHAO Guofan.Experimental study on low-cycle behavior of corroded reinforced concrete member under eccentriccompression[J].Journal of Building Structures,2004,25(5),92-97.(in Chinese)
[3]牛荻涛,陈新孝,王学民.锈蚀钢筋混凝土压弯构件抗震性能试验研究[J].建筑结构,2004,34(10):36-38.NIU Ditao,CHEN Xinxiao,WANG Xuemin.Experimental study on seismic behavior of corroded reinforced concrete members with flexure andcompression[J].Building Structure,2004,34(10):36-38.(in Chinese)
[4]陈建超,蒋连接.钢筋锈蚀对反复荷载下压弯构件延性影响的试验研究[J].工业建筑,2010,40:869-871.CHEN Jianchao,JIANG Lianjie.Effect of steel corrosion on ductility of reinforced concrete column for axial load and moment under[J].IndustrialConstruction,2010,40:869-871.(in Chinese)
[5]贡金鑫,李金波,赵国藩.受腐蚀钢筋混凝土构件的恢复力模型[J].木工程学报,2005,38(11):38-44.GONG Jinxin,LI Jinbo,ZHAO Guofan.Restoring force model of corroded reinforced concrete elements[J].China Civil Engineering Journal,2005,38(11):38-44.(in Chinese)
[6]陈新孝,牛荻涛,王学民.锈蚀钢筋混凝土压弯构件的恢复力模型[J].西安建筑科技大学学报,2005,37(2):155-159.CHEN Xinxiao,NIU Ditao,WANG Xuemin.The force-restoring model of corroded reinforced concrete members with flexure and compression[J].Xi’an University of Architecture and Technology Journal,2005,37(2):155-159.(in Chinese)
[7]沈聚敏,周锡元,高小旺,等.抗震工程学[M].北京:中国建筑工业出版社,2000:164-172.SHEN Jumin,ZHOU Xiyuan,GAO Xiaowang,et al.Aseismic engineering[M].Beijing:Chinese Architecture Industry Press,2000:164-172.(in Chinese)
[8]惠云玲,李荣,林志伸.混凝土基本构件钢筋锈蚀前后性能试验研究[J].工业建筑,1997,27(6):14-18.HUI Yunling,LI Rong,LIN Zhishen.experimental studies on the property before and after corrosion of rebars in basic concrete members[J].In-dustrial Construction,1997,27(6):14-18.(in Chinese)
[9]吴胜兴.钢筋混凝土结构锈蚀损伤研究综述[J].工程力学(增刊),2002:70-88.WU Shengxing.Review of reinforced concrete structure corrosion damage research[J].Engineering Mechanics(supplement),2002:70-88.(inChinese)
[10]张喜德,韦树英,彭修宁.钢筋锈蚀对混凝土抗压强度影响的试验研究[J].工业建筑,2003,33(3):5-7.ZHANG Xide,WEI Shuying,PENG Xiuning.Experimental research on effect of steel bar corrosion on compressive strength of concrete[J].In-dustrial Construction,2003,33(3):5-7.(in Chinese)
[11]桂成.锈蚀钢筋混凝土构件极限抗弯承载力及延性研究[D].长沙.长沙理工大学,2007.GUI Cheng.Research on anti-bending capacity and ductility of corroded reinforced concrete beam[D].Changsha:Changsha Communications Uni-versity,2007.(in Chinese)
[12]徐善华.钢筋混凝土结构退化模型与耐久性评估[D].西安.西安建筑科技大学,2003.XU Shanhua.The models of deterioration and durability evaluation of reinforced concrete structure[D].Xi’an:Xi’an University of Architectureand Technology,2003.(in Chinese)
[13]吴庆,袁迎曙.锈蚀钢筋力学性能退化规律试验研究[J].土木工程学报,2008,41(12):42-47.WU Qing,YUAN Yingshu.Experimental study on the deterioration of mechanical properties of corroded steel bars[J].China Civil EngineeringJournal,2008,41(12):42-47.(in Chinese)
[14]欧进萍,何政,吴斌,等.钢筋混凝土结构基于地震损伤性能的设计[J].地震工程与工程振动,1999,19(1):21-30.OU Jinping,HE Zheng,WU Bin,et al.Seismic damage performance-based design of reinforced concrete structures[J].Journal of EarthquakeEngineering and Engineering Vibration,1999,19(1):21-30.(in Chinese)
[15]Park Y J,Ang A H-S.Mechanistic seismic damage model for reinforced concrete[J].Journal of Structural Engineering,ASCE,1985,3(4):722-739.
[16]翁义军,冯世平.房屋结构抗震设计[M].北京:地震出版社,1990.WENG Yijun,FENG Shiping.Seismic design of building structure[M].Beijing:Seismological Press,1990.(in Chinese)
[17]颜桂云,孙炳楠,王泽军,等.锈蚀钢筋混凝土压弯构件抗震性能的试验研究[J].建筑结构,2003,33(2):16-18.YAN Guiyun,SUN Bingnan,WANG Zejun,et al.Experimental studies on seismic behavior of corroded reinforced concrete members with flexureand compression[J].Building Structure,2003,33(2):16-18.(in Chinese)
[18]过镇海,时旭东.钢筋混凝土原理和分析[M].北京:清华大学出版社,2003:337.GUO Zhenhai,SHI Xudong.Reinforced concrete theory and analyse[M].Beijing:Tsinghua University Press,2003:337.(in Chinese)
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