底框砌体剪力墙震损房屋抗震加固拟动力子结构试验
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摘要
在完成了3层足尺底框配筋砌块短肢砌体剪力墙震损房屋损伤程度的评估、加固的基础上,通过对加固后的3层房屋进行拟动力抗震性能试验,研究了震后受损结构构件所用加固方法的适用性和加固对恢复结构抗震性能的效果,为寻求震损结构加固修复的方法提供理论依据,并为汶川地震受损底框房屋的结构修复提供参考。
Based on the damage assessment and strengthening scheme of the full-scale model which is the three-floor frame-supported reinforced concrete masonry short-leg shear wall structure,the strengthened model is tested using the substructure pseudo-dynamic testing method.The applicability of the proposed strengthening technique for the building damaged by earthquake is discussed.Thus,the seismic performance of the strengthened model is proposed to seek the strengthening technique for the structure damaged by earthquake,and it provides important reference for the post-disaster reconstruction after Wenchuan earthquake.
Based on the damage assessment and strengthening scheme of the full-scale model which is the three-floor frame-supported reinforced concrete masonry short-leg shear wall structure,the strengthened model is tested using the substructure pseudo-dynamic testing method.The applicability of the proposed strengthening technique for the building damaged by earthquake is discussed.Thus,the seismic performance of the strengthened model is proposed to seek the strengthening technique for the structure damaged by earthquake,and it provides important reference for the post-disaster reconstruction after Wenchuan earthquake.
引文
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[13]WU BIN,XU GUO-SHAN,DENG LI-XIA,et al.Recent development of equivalent force control methodfor hybrid testing[C]//9th US National and 10thCanadian Conference on Earthquake Engineering.July25-29,2010,Toronto,Canada.
[14]许国山,吴斌,邓利霞,等.等效力控制方法及其在混合试验中的应用[J].防灾减灾工程学报,2010,30(S):152-159.XU GUO-SHAN,WU BIN,DENG LI-XIA,et al.Equivalent force control method and its application forhybrid testing[J].Journal of Disaster Prevention andMitigation Engineering,2010,30(S):152-159.
[15]陈再现,吴斌,王焕定,等.多自由度等效力控制拟动力子结构试验研究[J].工程力学,2011,28(8):138-144.CHEN ZAI-XIAN,WU BIN,WANG HUAN-DING,etal.Equivalent force control substructure pseudo-dynamic experimental study on the MDOF model[J].Engineering Mechanics,2011,28(8):138-144.
[2]清华大学,西南交通大学,北京交通大学土木工程结构专家组.汶川地震建筑震害分析[J].建筑结构学报,2008,29(4):1-9.Civil and Structural Groups of Tsinghua University,Xi’anJiaotong University and Beijing Jiaotong University.Analysison seismic damage of buildings in the wenchuan earthquake[J].Journal of Building Structures,2008,29(4):1-9.
[3]中华人民共和国国家标准.JGJ116—98建筑抗震加固技术规程[S].北京:中国建筑工业出版社,1999.
[4]王全凤,柴振岭,黄奕辉,等.GFRP复合材料加固带壁柱砖墙抗震性能试验研究[J].土木工程学报,2006,39(8):65-71.WANG QUAN-FENG,CHAI ZHEN-LING,HUANGYI-HUI,et al.An experimental study on the seismicperformance of brick masonry walls pilaster reinforcedby GFRP[J].China Civil Engineering Journal,2006,39(8):65-71.
[5]谷倩,彭波,刘卫国,等.碳纤维布抗震加固开门窗洞口砌体墙片的试验研究与受剪承载力分析[J].建筑结构学报,2007,28(1):80-88.GU QIAN,PENG BO,LIU WEI-GUO,et al.Experimental investigations and analysis of shearcapacity of masonry walls with window and dooropenings reinforced with CFRP sheets[J].Journal ofBuilding Structures,2007,28(1):80-88.
[6]刘涛,甄星灿.某高层建筑工程质量事故实例分析与加固处理[J].建筑结构学报,2002,23(2):92-95.LIU TAO,ZHEN XING-CAN.The analysis andreinforcement of quality defects of a high rise building[J].Journal of Building Structures,2002,23(2):92-95.
[7]高轩能,周期源,陈明华.粘钢加固RC梁承载性能的理论和试验研究[J].土木工程学报,2006,39(8):38-44.GAO XUAN-NENG,ZHOU QI-YUAN,CHENMING-HUA.Theoretical and experimental research onbearing behavior of RC beams strengthened by bondedsteel plates[J].China Civil Engineering Journal,2006,39(8):38-44.
[8]OEHLES J D.Reinforced concrete beams with platesglued to their soffits[J].Journal of StructuralEngineering,1994(4):61-70.
[9]ZIRABA Y N,BALUCH M H.Computational modelfor reinforced concrete beams strengthened by epoxybonded steel plates[J].Finite Elements in Analysis andDesign,1995,20(4):253-271.
[10]肖毅,范世平,杨文义,等.某学生宿舍楼裂缝压力灌胶及粘碳纤维综合加固施工[J].特种结构,2003,20(4):64-65.XIAO YI,FAN SHI-PING,YANG WEN-YI,et al.Composite strengthening construction of some crackeddormitory building with pressure grouting due andgumming carbon fiber[J].Special Structures,2003,20(4):64-65.
[11]周小真,苏从柏.钢筋混凝土双肢柱抗震加固与震后修复的试验研究[J].工业建筑,1992(9):14-18.ZHOU XIAO-ZHEN,SU CONG-BAI.Experimentalstudy on strengthening and rehabilitating the twincolumns of the reinforced concrete for seismic resistance[J].Industrial Construction,1992(9):14-18.
[12]WU BIN,WANG QIAN-YING,SHING P B,et al.Equilalent force control method for generalized real-timesubstructure testing with implicit integration[J].Earthquake Engineering and Structural Dynamics,2007,36:1127-1149.
[13]WU BIN,XU GUO-SHAN,DENG LI-XIA,et al.Recent development of equivalent force control methodfor hybrid testing[C]//9th US National and 10thCanadian Conference on Earthquake Engineering.July25-29,2010,Toronto,Canada.
[14]许国山,吴斌,邓利霞,等.等效力控制方法及其在混合试验中的应用[J].防灾减灾工程学报,2010,30(S):152-159.XU GUO-SHAN,WU BIN,DENG LI-XIA,et al.Equivalent force control method and its application forhybrid testing[J].Journal of Disaster Prevention andMitigation Engineering,2010,30(S):152-159.
[15]陈再现,吴斌,王焕定,等.多自由度等效力控制拟动力子结构试验研究[J].工程力学,2011,28(8):138-144.CHEN ZAI-XIAN,WU BIN,WANG HUAN-DING,etal.Equivalent force control substructure pseudo-dynamic experimental study on the MDOF model[J].Engineering Mechanics,2011,28(8):138-144.
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