剪力墙—地基体系自振特性的影响参数分析
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摘要
应用有限元—无界元耦合法分析了剪力墙—地基体系的自振特性，阐述了剪力墙—地基体系的力学模型的建立，推导了无界元的单元刚度矩阵，编制了相应的计算程序ＤＹＦＥＭ。通过若干算例的计算，分析了地基土弹性模量、墙体埋深、墙体与地基接触面宽度以及层土特性对体系自振特性的影响，得出了一些有参考价值的结论
The dynamic behavior of the shear wall-foundastion system is analyzed by using of the coupling method of the finite-infinite element. The construction of the mechanical model is elaborated, and the element stiffness matrix of infinite element is deduced. Upon the basis of a computer program (DYFEM) is made. The effect of the elastricity modulus of the soil, the bured depth of the shear wall, the contact width of the shear wal and foundation and the behavior of the soil in layers on the dynamic behavior is analyed through calcullation of the wide range of example. A few valuable of views are obtained.
The dynamic behavior of the shear wall-foundastion system is analyzed by using of the coupling method of the finite-infinite element. The construction of the mechanical model is elaborated, and the element stiffness matrix of infinite element is deduced. Upon the basis of a computer program (DYFEM) is made. The effect of the elastricity modulus of the soil, the bured depth of the shear wall, the contact width of the shear wal and foundation and the behavior of the soil in layers on the dynamic behavior is analyed through calcullation of the wide range of example. A few valuable of views are obtained.
引文
陈国兴．土体—结构体系地震性能研究．哈尔滨建筑工程学院学报，1994；（5）：11～18ohnPwolf．DynamicSoil－structureInteraction．Prentice－Hal，1985：1～323丁春林．剪力墙—地基耦合体系的地震响应分析（学位论文）．成都：西南交通大学，1996：7～224吕明．无界元及其在岩土工程中的应用．见：水利水电科学研究院研究论文集第20集（岩土工程），北京：水利电力出版社，1985：37～455丁浩江，谢贻权．弹性和塑性力学中的有限元法．北京：机械工业出版社，1989：55～58
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