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利用模型试验研究了分离式外套框架和结合式外套框架增层结构的抗震性能 ,探讨了在外套框架与原结构之间设置连接件后 ,整个增层结构刚度受到的影响以及动力特性和动力响应的变化 ;验证了一种在保证原结构可靠性的基础上 ,降低整体结构地震响应的方向和方法 ,也为采用外套框架增层结构的未来设计和优化控制提供了一定的依据。本试验研究是在理论分析计算的基础上完成的。
The model test is used to study the seismic behavior of the overlay structure with the separated jacket frame and the combined jacket frame. After the connection between the jacket frame and the original structure, the stiffness of the whole overlay structure is affected as well as the dynamic characteristics and dynamic response This paper also verifies a direction and method of reducing the seismic response of the whole structure on the basis of ensuring the reliability of the original structure and provides a basis for the future design and optimization control of the overlay structure of the outer jacket frame. The experimental study is completed on the basis of theoretical analysis and calculation.