新型阻尼填充墙的构造原理与减震性能研究
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摘要
阐明新型阻尼填充墙的构造和原理;对阻尼填充墙的基本构成单元、单层单跨的框架阻尼填充墙、框架阻尼填充墙整体结构的减震性能进行综合分析,研究结果表明,阻尼填充墙通过框架柱带动砌体单元往复剪切阻尼层滞回耗能,其耗能性能稳定,耗能效果好;阻尼填充墙能为结构提供一定的抗侧力和抗侧刚度,但其对结构的刚度效应和约束效应较普通填充墙大为削弱,避免造成柱受剪破坏、结构延性及侧向变形能力变差等不利影响;在结构中设置阻尼填充墙,结构周期折减的幅度远小于设置普通填充墙的情况,而且阻尼填充墙耗散输入结构的部分地震能量,减小结构构件的非线性耗能,减轻结构在地震中的破坏,具有良好的减震效果,且墙体自身不破坏.
The construction and principle of new-type damped infill wall are expounded.And the aseismic performance of damped infill wall(DIW)is analyzed comprehensively from several aspects,including the fundamental units of DIW,single story-single bay DIW-frame and DIW-frame structure,etc.The results indicate that the DIW contributes to the hysteretic energy of structure with its masonry units shearing the damped layer circularly,achieving stable energy dissipation performance and excellent energy dissipation effect.DIW is capable of enhancing the lateral force resistance capacity and the lateral stiffness of structure;but its stiffness effect and confined effect is much weaker than that of conventional infill wall,which prevent DIW from causing the adverse effects,such as shear failure of column,deterioration of structural ductility,etc.Compared with setting conventional infill wall in structure,setting DIW makes much smaller reduction amplitude of structural period.Furthermore,DIW dissipates partial energy inputed into structure during earthquakes,reduces the nonlinear energy dissipation of structural members,relieves structural members' damage and plays a good role in aseismic effect with itself hardly damaged.
The construction and principle of new-type damped infill wall are expounded.And the aseismic performance of damped infill wall(DIW)is analyzed comprehensively from several aspects,including the fundamental units of DIW,single story-single bay DIW-frame and DIW-frame structure,etc.The results indicate that the DIW contributes to the hysteretic energy of structure with its masonry units shearing the damped layer circularly,achieving stable energy dissipation performance and excellent energy dissipation effect.DIW is capable of enhancing the lateral force resistance capacity and the lateral stiffness of structure;but its stiffness effect and confined effect is much weaker than that of conventional infill wall,which prevent DIW from causing the adverse effects,such as shear failure of column,deterioration of structural ductility,etc.Compared with setting conventional infill wall in structure,setting DIW makes much smaller reduction amplitude of structural period.Furthermore,DIW dissipates partial energy inputed into structure during earthquakes,reduces the nonlinear energy dissipation of structural members,relieves structural members' damage and plays a good role in aseismic effect with itself hardly damaged.
引文
[1]Murty C V R,Svetlana Brzev,Heidi Faison,et al.At Risk:The Seismic Performance of Reinforced Concrete Frame Buildings with Masonry Infill Walls[M].http://www.world-housing.net/tutorials/,2006.
[2]郭阳照,周云,朱勇,等.框架填充墙抗震性能研究的回顾与前瞻[J].工程抗震与加固改造,2012,34(6):1-13.
[3]周云,郭阳照.一种用于框架结构的阻尼抗震填充墙板[P].中国,CN102268900A2011-06-11.
[4]郭阳照,周云,甘英杰,等.新型框架阻尼填充墙性能分析[J].振动与冲击,2013,32(14):127-133.
[5]郭阳照,周云,甘英杰,等.不同构造的阻尼填充墙框架结构性能分析[J].防灾减灾工程学报,2013,33(5):501-509.
[6]廖奕发.新型框架阻尼填充墙简易阻尼层性能试验与参数分析研究[D].广州:广州大学,2014.
[7]周云,郭阳照,廖奕发,等.阻尼填充墙单元性能试验研究[J].土木工程学报,2013,46(5):56-63.
[8]周云,郭阳照,廖奕发,等.摩擦型阻尼填充墙单元的设计与性能试验研究[J].地震工程与工程振动,2013,46(5):56-63.
[9]周云,郭阳照,杨冠男,廖奕发.阻尼砌体填充墙框架抗震性能试验研究[J].建筑结构学报,2013,34(7):89-96.
[10]周云,郭阳照,杨冠男,廖奕发.带SBS层阻尼砌体填充墙钢筋混凝土框架结构抗震性能试验研究[J].土木工程学报,2013,34(7):89-96.
[11]郭阳照.新型框架阻尼填充墙减震机理和性能研究[D].广州:广州大学,2014.
[12]杨冠男.阻尼填充墙框架结构减震性能分析[D].广州:广州大学,2014.
[2]郭阳照,周云,朱勇,等.框架填充墙抗震性能研究的回顾与前瞻[J].工程抗震与加固改造,2012,34(6):1-13.
[3]周云,郭阳照.一种用于框架结构的阻尼抗震填充墙板[P].中国,CN102268900A2011-06-11.
[4]郭阳照,周云,甘英杰,等.新型框架阻尼填充墙性能分析[J].振动与冲击,2013,32(14):127-133.
[5]郭阳照,周云,甘英杰,等.不同构造的阻尼填充墙框架结构性能分析[J].防灾减灾工程学报,2013,33(5):501-509.
[6]廖奕发.新型框架阻尼填充墙简易阻尼层性能试验与参数分析研究[D].广州:广州大学,2014.
[7]周云,郭阳照,廖奕发,等.阻尼填充墙单元性能试验研究[J].土木工程学报,2013,46(5):56-63.
[8]周云,郭阳照,廖奕发,等.摩擦型阻尼填充墙单元的设计与性能试验研究[J].地震工程与工程振动,2013,46(5):56-63.
[9]周云,郭阳照,杨冠男,廖奕发.阻尼砌体填充墙框架抗震性能试验研究[J].建筑结构学报,2013,34(7):89-96.
[10]周云,郭阳照,杨冠男,廖奕发.带SBS层阻尼砌体填充墙钢筋混凝土框架结构抗震性能试验研究[J].土木工程学报,2013,34(7):89-96.
[11]郭阳照.新型框架阻尼填充墙减震机理和性能研究[D].广州:广州大学,2014.
[12]杨冠男.阻尼填充墙框架结构减震性能分析[D].广州:广州大学,2014.
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