混凝土密柱石膏复合墙板抗震性能及简化模型
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摘要
混凝土密柱石膏复合墙板是一种由钢筋混凝土和石膏纤维板组成的可用于多高层建筑的新型组合墙体结构.本文对混凝土密柱石膏复合墙板在低周往复荷载作用下的滞回性能进行了数值分析,得到了复合墙板的滞回曲线和骨架曲线,讨论了剪跨比、轴压比等参数对复合墙板承载力、耗能能力及刚度退化等的影响.结果表明,混凝土密柱石膏复合墙板滞回曲线饱满,耗能能力较强,抗震性能较好,剪跨比对复合墙板滞回性能有较大影响.建立了混凝土密柱石膏复合墙板的等效带缝剪力墙简化分析模型.对等效带缝剪力墙的滞回分析表明,等效带缝剪力墙与混凝土密柱石膏复合墙板受力机理及滞回性能均较为接近,验证了采用等效带缝剪力墙进行混凝土密柱石膏复合墙板整体结构地震响应分析的适用性和可靠性.
Plasterboard wall reinforced with in-filled RC columns is a new type of composite wall structure for multistory or high-rise buildings.In this paper,the hysteretic behavior of plasterboard wall reinforced with in-filled RC columns under low cyclic loading was studied numerically.Hysteretic curves and skeleton curves were obtained and the influences of shear span ratio and axial compression ratio on bearing capacity,energy dissipation capacity and stiffness degradation were discussed.The results showed that the composite wall has plumb hysteretic curves,good energy dissipation capacity and good seismic performance.Shear span ratio has great effect on the hysteretic behavior of the composite wall. Equivalent slitted shear wall was set up as the simplified model for the composite wall.Hysteretic analysis showed that the hysteretic behavior of the equivalent slitted shear wall agreed very well with that of the plasterboard wall reinforced with in-filled RC columns,which verified the applicability and reliability of the equivalent slitted shear wall as the simplified model in seismic analysis of structures composed of plasterboard wall reinforced with in-filled RC columns.
Plasterboard wall reinforced with in-filled RC columns is a new type of composite wall structure for multistory or high-rise buildings.In this paper,the hysteretic behavior of plasterboard wall reinforced with in-filled RC columns under low cyclic loading was studied numerically.Hysteretic curves and skeleton curves were obtained and the influences of shear span ratio and axial compression ratio on bearing capacity,energy dissipation capacity and stiffness degradation were discussed.The results showed that the composite wall has plumb hysteretic curves,good energy dissipation capacity and good seismic performance.Shear span ratio has great effect on the hysteretic behavior of the composite wall. Equivalent slitted shear wall was set up as the simplified model for the composite wall.Hysteretic analysis showed that the hysteretic behavior of the equivalent slitted shear wall agreed very well with that of the plasterboard wall reinforced with in-filled RC columns,which verified the applicability and reliability of the equivalent slitted shear wall as the simplified model in seismic analysis of structures composed of plasterboard wall reinforced with in-filled RC columns.
引文
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[18]GB,50011-2010建筑抗震设计规范[S].北京:中国建筑工业出版社,2010.GB,50011-2010 Code for Seismic Design of Buildings[S].Beijing:China Architecture and Building Press,2010(in Chinese).
[19]姜南,张宇,许岩,等.混凝土石膏复合墙板实用性计算方法[J].天津大学学报,2008,41(4):471-475.Jiang Nan,Zhang Yu,Xu Yan,et al.Practical calculation method for gypsum concrete compositive wall plate[J].Journal of Tianjin University,2008,41(4):471-475(in Chinese).
[2]Kang L,Wu Y F,Jiang X L.Shear strength of concrete filled glass fiber reinforced gypsum walls[J].Materials and Structures,2008,41:649-662.
[3]Wu Y F.The structural behavior and design methodology for a new building system consisting of glass fiber reinforced gypsum panels[J].Construction and Building Materials,2009,23:2905-2913.
[4]Liu K.Shear strength of concrete and gypsum composite walls[J].Applied Mechanics&Materials,2013,368/369/370(1):976-983.
[5]赵考重,袁长波,王莉.灌芯玻璃纤维石膏墙板轴心受压构件试验研究[J].建筑结构,2010,40(1):116-119.Zhao Kaozhong,Yuan Changbo,Wang Li.Experimental study on concrete filled glass fiber reinforced gypsum panel axial compressive members[J].Building Structures,2010,40(1):116-119(in Chinese).
[6]Janardhana M,Davis P R,Ravichandran S S,et al.Calibration of a hysteretic model for glass fiber reinforced gypsum wall panels[J].Earthquake Engineering&Engineering Vibration,2014,2(2):347-355.
[7]Ma S,Jiang N.Seismic experimental study on new-type composite exterior wallboard with integrated structural function and insulation[J].Materials,2015,8:3732-3753.
[8]姜忻良,谷岩,董嘉岭,等.灌芯混凝土石膏墙板结构抗震性能试验研究[J].地震工程与工程振动,2006,26(3):165-167.Jiang Xinliang,Gu Yan,Dong Jialing,et al.Research on seismic behavior of reinforced plasterboard filled with concrete[J].Earthquake Engineering and Engineering Vibration,2006,26(3):165-167(in Chinese).
[9]尹越,车鑫宇,曹宇,等.混凝土密柱石膏复合墙板结构性能及简化分析模型[J].土木建筑与环境工程,2015,37(5):18-25.Yin Yue,Che Xinyu,Cao Yu,et al.Structural behavior and simplified analysis model of plasterboard wall reinforced with in-filled RC columns[J].Journal of Civil,Architectural&Environmental Engineering,2015,37(5):18-25(in Chinese).
[10]ABAQUS.Theory Manual Version 6.10[M].2012.
[11]GB,50010-2010混凝土结构设计规范[S].北京:中国建筑工业出版社,2010.GB,50010-2010 Code for Design of Concrete Structures[S].Beijing:China Architecture and Building Press,2010(in Chinese).
[12]张劲,王庆扬,胡守营,等.ABAQUS混凝土损伤塑性模型参数验证[J].建筑结构,2008,38(8):127-130.Zhang Jin,Wang Qingyang,Hu Shouying,et al.Parameters verification of concrete damaged plastic model of ABAQUS[J].Building Structures,2008,38(8):127-130(in Chinese).
[13]孟闻远,王俊锋,张蕊.基于ABAQUS的钢筋混凝土结构本构模型对比分析[J].华北水利水电学院学报,2012,33(1):40-42.Meng Wenyuan,Wang Junfeng,Zhang Rui.Comparison analysis of constitutive models of reinforced concrete structures based on ABAQUS[J].Journal of North China Institute of Water Conservancy and Hydroelectric Power,2012,33(1):40-42(in Chinese).
[14]苑立森,寇文飞,刘和亮,等.ABAQUS中混凝土材料损伤参数的研究[J].湖北工业大学学报,2013,28(5):99-101.Yuan Lisen,Kou Wenfei,Liu Heliang,et al.Study of concrete material damage parameter in ABAQUS[J].Journal of Hubei University of Technology,2013,28(5):99-101(in Chinese).
[15]聂建国,王宇航.ABAQUS中混凝土本构模型用于模拟结构静力行为的比较研究[J].工程力学,2013(4):59-67.Nie Jianguo,Wang Yuhang.Comparison study of constitutive model of concrete in ABAQUS for static analysis of structures[J].Engineering Mechanics,2013(4):59-67(in Chinese).
[16]谷岩,姜忻良,张海.纤维石膏速成板的力学性能试验研究[J].山东农业大学学报,2009,40(1):107-111.Gu Yan,Jiang Xinliang,Zhang Hai.Experimental research on mechanical properties of fiber-reinforced gypsum panel[J].Journal of Shangdong Agricultural University,2009,40(1):107-111(in Chinese).
[17]JGJ/T,101-2015建筑抗震试验规程[S].北京:中国建筑工业出版社,2015.JGJ/T,101-2015 Specification for Seismic Test of Buildings[S].Beijing:China Architecture and Building Press,2015(in Chinese).
[18]GB,50011-2010建筑抗震设计规范[S].北京:中国建筑工业出版社,2010.GB,50011-2010 Code for Seismic Design of Buildings[S].Beijing:China Architecture and Building Press,2010(in Chinese).
[19]姜南,张宇,许岩,等.混凝土石膏复合墙板实用性计算方法[J].天津大学学报,2008,41(4):471-475.Jiang Nan,Zhang Yu,Xu Yan,et al.Practical calculation method for gypsum concrete compositive wall plate[J].Journal of Tianjin University,2008,41(4):471-475(in Chinese).