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工程主体结构高65.6m,采用钢筋混凝土框架-核心筒结构,由于宿迁地处高烈度抗震设防区,依靠单纯“硬抗”的传统设计,无法满足该工程的抗震设计要求,因此,拟采用设置非线性粘滞流体阻尼器的消能减震装置。采用SAP2000对是否采用粘滞流体阻尼器的结构进行了罕遇地震作用下的动力弹塑性分析。计算结果表明,采用了粘滞流体阻尼器结构的层间位移角和基底总剪力均满足规范要求,减震效果明显。
The main structure of the project is 65.6m high. Because of the strong anti-seismic fortification zone in Suqian and the simple design of “hard-resistant” traditional design, it can not meet the seismic design requirements of the project. Therefore, Energy-saving shock absorber with non-linear viscous fluid damper is adopted. The use of SAP2000 on whether or not to use viscous fluid damper structure under rare earthquake dynamic elasto-plastic analysis. The calculated results show that both the drift angle and the total shear force of the viscous fluid damper structure meet the requirements of the code, and the damping effect is obvious.