钢筋混凝土矩形贮液结构的液-固耦合动力分析
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摘要
由于液体的影响,贮液结构在地震作用下的动力响应与一般结构不同。本文采用通用有限元软件ADINA,考虑混凝土材料中钢筋的作用,探讨贮存液体表面重力波、壁板刚度、结构尺寸对系统液固耦合动力响应的影响,以及单向、双向和三向地震耦联作用下的液固耦合动力响应。结果为钢筋混凝土矩形贮液结构的液固耦合研究提供了理论依据。
Because influence of liquids,the dynamic reponse of liquid storage structures are different with other kind of structures.In this paper,taking into account the action of rebar in concrete materials,the current finite element software ADINA is used to do finite element simulation for the reinforced concrete rectangular liquid storage structures.The influences of gravity wave of the liquids surface,the stiffness of wainscots and the shape of the structures on the dynamic response with liquid-structure interaction are discussed,and the dynamic responses are also discussed in the action of unidirectional,bidirectional and three-directional coupling seismic actions.The result provides the theoretical basis for reinforced concrete rectangular liquid storage structures.
Because influence of liquids,the dynamic reponse of liquid storage structures are different with other kind of structures.In this paper,taking into account the action of rebar in concrete materials,the current finite element software ADINA is used to do finite element simulation for the reinforced concrete rectangular liquid storage structures.The influences of gravity wave of the liquids surface,the stiffness of wainscots and the shape of the structures on the dynamic response with liquid-structure interaction are discussed,and the dynamic responses are also discussed in the action of unidirectional,bidirectional and three-directional coupling seismic actions.The result provides the theoretical basis for reinforced concrete rectangular liquid storage structures.
引文
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[5]O Andrianarison,R Ohayon.Compressibility and gravityeffects in internal fluid-structure vibrations:Basic equationsand appropriate variational formulations[J].Comput.Meth-ods Appl.Mech.Engrg.2006,195:1958-1972.
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[9]程选生,杜永峰.正交各向异性钢筋混凝土板结构弹性常数的确定[J].四川建筑科学研究,2006,32(5):30-33
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[11]崔振东,唐益群,等.叠层板状结构在非线性支承下的流固耦合振动[J].西北地震学报,2007,29(2):119-122.
[2]李彦民.徐刚,等.贮液容器流固耦合动力响应分析计算[J].工程力学,2002,19(4):29-31.
[3]刘云贺,王克成,等.储液池的抗震问题探讨[J].地震工程与工程振动,2005,25(1):149-154.
[4]刘习军,张素侠,等.矩形弹性壳液耦合系统中的重力波分析[J].力学学报,2006,38(1):106-111.
[5]O Andrianarison,R Ohayon.Compressibility and gravityeffects in internal fluid-structure vibrations:Basic equationsand appropriate variational formulations[J].Comput.Meth-ods Appl.Mech.Engrg.2006,195:1958-1972.
[6]O Andrianarison,R Ohayon.Compressibility and gravityeffects in vibrations of structures partially filled with liquids[A]∥Proceedings of European Conference on ComputationalMechanics ECCM'99[C].Munich,Germany,1999.
[7]Wilson E L.结构静力与动力分析——强调地震工程学的物理方法[M].北京:中国建筑工业出版社,2006:1-10.
[8]宋天霞,郭建生,等.非线性固体计算力学[M].武汉:华中科技大学出版社,2005.
[9]程选生,杜永峰.正交各向异性钢筋混凝土板结构弹性常数的确定[J].四川建筑科学研究,2006,32(5):30-33
[10]上海市政工程设计院,等编.给水排水工程结构设计手册[M].北京:中国建筑工业出版社,1984:536.
[11]崔振东,唐益群,等.叠层板状结构在非线性支承下的流固耦合振动[J].西北地震学报,2007,29(2):119-122.
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