高层斜交网格筒-核心筒结构抗震性能分析
|
摘要
斜交网格筒新型结构体系具有较大的抗侧刚度,为建造高层、超高层结构提供了有利条件,目前已在国内外有多例成功实践,但相关抗震性能研究还很少。采用Perform-3D程序对典型钢管混凝土斜交网格筒-钢筋混凝土内筒结构进行了静力弹塑性分析。总结了体系塑性发展过程及构件屈服顺序,给出了斜交网格筒屈服路径,并从斜交网格筒作用力的变化阐述了内外筒间内力重分配的原因,明确了内外筒内力分配特点。基于内外筒抗侧刚度的发展过程,探讨了结构抗侧刚度退化的主要原因。
Diagrid tube structures have advantages for constructing high-rise buildings due to their greater rigidity,however their aseismic behavior study are limited.Models of concrete filled steel tube CFST diagrid tube-concrete core tube structure were analyzed with modal pushover method using Perform-3D program.The structure plastic development process and the component yield order were given.The force distributions of diagrid and core tubes were studied and the resons of force redistributions between two tubes were explained by analyzing the changes of diagrid tube force.The reason for structure lateral stiffness degradation was discussed based on the lateral stiffness development process of diagrid tube and core one.The influences of the related factors lateral of stiffness on the plastic development process,force distribution between two tubes and stiffness changes were discussed at last.
Diagrid tube structures have advantages for constructing high-rise buildings due to their greater rigidity,however their aseismic behavior study are limited.Models of concrete filled steel tube CFST diagrid tube-concrete core tube structure were analyzed with modal pushover method using Perform-3D program.The structure plastic development process and the component yield order were given.The force distributions of diagrid and core tubes were studied and the resons of force redistributions between two tubes were explained by analyzing the changes of diagrid tube force.The reason for structure lateral stiffness degradation was discussed based on the lateral stiffness development process of diagrid tube and core one.The influences of the related factors lateral of stiffness on the plastic development process,force distribution between two tubes and stiffness changes were discussed at last.
引文
[1]傅学怡,吴兵.卡塔尔某超高层建筑结构设计研究综述[J].建筑结构学报,2008,29(1):1-9.
[2]周健,汪大绥.高层斜交网格结构体系的性能研究[J].建筑结构,2007,37(5):87-91.
[3]Moon K S.Sustainable structural engineering strategies fortall buildings[J].The Structural Design of Tall and SpecialBuildings,2008,17:895-914.
[4]Moon K S,Jerome J.Diagrid structural systems for tallbuildings characteristics and methodology for preliminarydesign[J].The Structural Design of Tall and SpecialBuildings,2007,16:205-230.
[5]张凯,刘洪兵,王巍峰,等.竖向不规则结构的抗震性能评估[J].振动与冲击,2009,28(7):175-178.
[6]沈朝勇,周福林,黄壤云,等.错位转换高层建筑结构竖向地震作用下的抗震性能研究[J].振动与冲击,2009,28(8):128-133.
[7]容柏生.国内高层建筑结构设计的若干新进展[J].建筑结构,2007,37(9):1-5.
[8]张小冬,刘界鹏.大连中国石油大厦结构方案优化设计[J].建筑结构学报(增刊1),2009:27-33.
[9]郭伟亮,滕军.超高建筑斜交网格筒力学性能研究[J].西安建筑科技大学学报(自然科学版),2010,42(2):174-179.
[10]韩林海.钢管混凝土结构———理论与实践(第二版)[M].北京:科学出版社,2007.
[11]钟善桐.钢管混凝土统一理论———研究与应用[M].北京:清华大学出版社,2006.
[12]Mander J B,Priestley M J N,Park R.Theoretical stress strainmodel for confined concrete[J].Journal of StructureEngineering,1988,114(8):1804-1826.
[2]周健,汪大绥.高层斜交网格结构体系的性能研究[J].建筑结构,2007,37(5):87-91.
[3]Moon K S.Sustainable structural engineering strategies fortall buildings[J].The Structural Design of Tall and SpecialBuildings,2008,17:895-914.
[4]Moon K S,Jerome J.Diagrid structural systems for tallbuildings characteristics and methodology for preliminarydesign[J].The Structural Design of Tall and SpecialBuildings,2007,16:205-230.
[5]张凯,刘洪兵,王巍峰,等.竖向不规则结构的抗震性能评估[J].振动与冲击,2009,28(7):175-178.
[6]沈朝勇,周福林,黄壤云,等.错位转换高层建筑结构竖向地震作用下的抗震性能研究[J].振动与冲击,2009,28(8):128-133.
[7]容柏生.国内高层建筑结构设计的若干新进展[J].建筑结构,2007,37(9):1-5.
[8]张小冬,刘界鹏.大连中国石油大厦结构方案优化设计[J].建筑结构学报(增刊1),2009:27-33.
[9]郭伟亮,滕军.超高建筑斜交网格筒力学性能研究[J].西安建筑科技大学学报(自然科学版),2010,42(2):174-179.
[10]韩林海.钢管混凝土结构———理论与实践(第二版)[M].北京:科学出版社,2007.
[11]钟善桐.钢管混凝土统一理论———研究与应用[M].北京:清华大学出版社,2006.
[12]Mander J B,Priestley M J N,Park R.Theoretical stress strainmodel for confined concrete[J].Journal of StructureEngineering,1988,114(8):1804-1826.
版权所有：© 2023 中国地质图书馆 中国地质调查局地学文献中心