安装在楼层上的设备抗震计算
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摘要
设备的连接部位不牢及地脚螺栓强度不足而造成的安装在楼层上的设备破坏程度一般比地面上的设备震害严重。对安装在楼层上的设备模型进行探讨,采用等效侧力法及时程分析法对安装在楼层上的设备———蒸发式冷凝器的地震作用进行计算,并对其抗震性能进行验算。实例表明,采用的计算方法是可行的、实用的。此蒸发式冷凝器是安全可靠的。
The seismic damage of floorsupported equipments was more serious than those fixed on ground.The reason by which equipment was destroyed was loose joint or insufficient intensity of the bolt. A calculation model of floorsupported equipment was discussed.And the seismic force of floorsupported equipments——evaporative condensers was carried out using equivalentsideforce method and the timehistory analyzing method.The aseismatic capability of the equipments was checked.The practice examples show the rationality and practicability of the adopted method.The evaporative condenser was safe.
引文
1 卢薇,陆钦年,欧进萍.工业设备的抗震计算模型与破坏准则.哈尔滨建筑大学学报,1997,30(1):2~4
    2 晏 刚,马贞俊,等.蒸发式冷凝器的设计与应用.制冷与空调,2003,3(3):43~45
    3 1500系列CXV型蒸发式冷凝器,中美合资,大连冰山巴尔的摩空气盘管制冷有限公司
    4 项忠权,孙家孔.石油化工设备抗震.北京:地震出版社,1995·271~273
    5 谢礼立,翟长海.最不利设计地震动研究.地震学报,2003,25(3):250~261

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