In this paper , from the angle of seismic resistance , the parametric sensitivity of the fluid viscous dampers to be used for the bridge is studied in details , and relevant proposals for the dampers are made as well 从抗震角度对舟山大陆连岛工程西堠门大桥主桥的液体粘滞阻尼器参数敏感性进行了详细的研究，并提出建议。
According to the basic theory of structural vibration control , the viscous dampers are set in orthogonal directions to control the translation - torsion response of the eccentric structure under earthquake actions 根据结构振动控制的基本理论，提出在结构的两正交方向同时设置粘滞阻尼器以控制结构的平动反应和扭转反应。
The time - history method in combination with damper coefficients and their associations was employed to compare and analyze the bridge response results in terms of the inertial forces of key sections and displacement of key positions 针对不同粘滞阻尼器阻尼系数以及阻尼指数组合，采用时程分析方法，比较分析了结构主要构件和部位的内力及位移地震响应结果。
And the seismic response of the eccentric structure with viscous dampers is calculated by using the complex modal method . the numerical results show that the method is simple , clear , exact , reliable and suited to be generalized in design 并利用复模态分析法进行了具有粘滞阻尼器偏心结构的地震响应分析，计算结果表明该方法简便明了、准确可靠，适于在设计中推广。
It ' s indicated that the revised formula can predict dynamic response of practical energy - dissipation structure more accurately . 5 . based on the theoretic analysis , two practical energy - dissipation buildings are designed and the seismic design methods are summarized 5 、在理论分析的基础上，进行了两幢实际工程的消能减震设计，总结了粘滞阻尼消能支撑结构体系的抗震设计方法。
Secondly , the dynamic performances of viscous damping material are studied . the dynamic performance indexes of vdw under different conditions are obtained and calculative formulas of damping force is educed , which can be employed in engineering application 进行了粘滞阻尼墙的动力性能试验，获得了粘滞阻尼墙在各种条件下的动力性能指标，并得出了阻尼力的计算公式，为今后的工程应用提供了依据。
As for the viscous dampers " optimum installation in structure , the passive control strategy based on the structural sensitivity analysis and structural dynamics modification is proposed , and applied in energy dissipation and damping control of eccentric structures 对于粘滞阻尼器在结构中的优化设置问题，提出了基于结构灵敏度分析与结构动力学修改的被动控制策略，并将其用于粘滞阻尼器对偏心结构的耗能减震控制。
Some experiments have been conducted to test the behavior of viscous damping materials . and therefore , the ideal viscous damping material is developed by means of infared spectrum experimentations and ares tests which has been used in the model of vdw 为此，本文着重开展了粘滞阻尼材料的研发，通过材料的红外光谱实验和高级扩展ares实验等，开发出较为理想的粘滞阻尼材料，完成了粘滞阻尼材料的各种性能实验，并将其运用于粘滞阻尼墙的试验模型中。
Energy - dissipation technology is a much more rational , effective , safe , economic earthquake resistant method , which develops quickly in recent years , and it is more suitable for high rise steel structure . a energy - dissipation braced frame is designed with viscous damper as energy - dissipation device . test on the frame under cyclic reversed lateral load of various frequency and displacement is carried out to check its energy - dissipation capacity and structural measures 消能减震技术是近年来迅速发展起来的一种更加合理、有效、安全、经济的结构抗震方法，中高层钢结构建筑是采用消能减震技术理想的结构体系；为此，本文设计了一榀耗能支撑框架，采用粘滞阻尼器作为消能装置，通过不同频率、不同位移下的水平低周反复荷载试验，验证了消能支撑框架优异的耗能能力，证明相关构造措施是行之有效的。
3 . combined with practical engineering , the behavior discriminations between nonlinear and linear viscous dampers are compared and the effect of velocity exponent on earthquake - reduction effictiveness is studied . it ' s concluded that nonlinear viscous damper is better for structure earthquake - reduction 3 、结合实际工程，比较了非线性与线性粘滞阻尼器的性能差别及其速度指数对减震效果的影响；结果表明，采用非线性粘滞阻尼器进行结构消能减震控制更为有效。
