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本文研究了叠层橡胶基础隔震在强震中对室内浮放设备的保护作用。将浮放设备简化为刚性块体,并把放置设备的基础视为刚性的。以华中理工大学土木工程系在振动台上建造的叠层橡胶基础隔震单层钢筋混凝土框架结构房屋模型为计算实例,振动台输入谐波,非隔震与隔震两种情况下块体的响应对比表明,强震中基础隔震对室内浮放设备具有良好的防护作用。
This paper studies the protective effect of laminated rubber base isolation on indoor floating equipment during strong earthquakes. The floating device is simplified as a rigid block and the foundation on which the device is placed is considered rigid. Based on the example of a laminated rubber base isolation single-story RC frame building model built by the Department of Civil Engineering of Huazhong University of Science and Technology on a vibrating table as an example, the input of the harmonic wave to the shaker, the non-isolated and isolated The response comparison shows that the strong earthquake base isolation has a good protective effect on indoor floating equipment.