大型储液罐的抗震性能分析及复合支座隔震研究

夏阳

doi:10.13409/j.cnki.jdpme.2017.06.020

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大型储液罐的抗震性能分析及复合支座隔震研究

论文 | 更新时间：2025-12-11

- 大型储液罐的抗震性能分析及复合支座隔震研究
- Seismic Performance Analysis and Isolation Study of Large Liquid-storage Tank
- 防灾减灾工程学报 2017年37卷第6期页码：994-1000
- 作者机构：
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- DOI：10.13409/j.cnki.jdpme.2017.06.020
  中图分类号： U352.1
- 纸质出版：2017
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[1]夏阳.大型储液罐的抗震性能分析及复合支座隔震研究[J].防灾减灾工程学报,2017,37(06):994-1000.

夏阳. Seismic Performance Analysis and Isolation Study of Large Liquid-storage Tank[J]. 2017, 37(6): 994-1000.
[1]夏阳.大型储液罐的抗震性能分析及复合支座隔震研究[J].防灾减灾工程学报,2017,37(06):994-1000. DOI： 10.13409/j.cnki.jdpme.2017.06.020.

夏阳. Seismic Performance Analysis and Isolation Study of Large Liquid-storage Tank[J]. 2017, 37(6): 994-1000. DOI： 10.13409/j.cnki.jdpme.2017.06.020.

摘要

大型常压储液罐在地震作用下所受破坏将带来巨大的经济损失与次生灾害。为获取大型储液罐在地震作用下的响应并分析对其采取隔震措施后的效果

利用精细化有限元方法

建立了大型立式储液罐的模型

计算其振型

然后计算在不同储液量时

不同地震动作用下的储液罐地震响应

随后引入隔震支座

计算了隔震后的结构特性及地震响应

分析了隔震效率。结果表明

不同地震动作用下储液罐的地震反应有明显差异

随着储油量增加

其地震响应增大

满罐时的储液罐根部截面应力超过空罐时的2倍。利用铅芯橡胶隔震支座与滑动支座组合隔震后

能为结构带来较好的隔震效果

且随着储油量的增加

隔震效率随之增加

最大接近50%。

Abstract

The failure of large liquid-storage tank under earthquakes may cause huge economic loss and secondary disasters. To obtain the seismic response and to get the vibration isolation effects of oil tank

the finite element method（FEM） was employed and the FE model of a large oil tank was established. The dynamic modes were obtained and the dynamic responses were calculated by FEM. Also

the responses for oil tank with rubber bearings were got. The results indicate that the responses in different earthquake time histories were much different and the dynamic responses were much obvious when there were more oil in the tank. The stresses were even two times in a full oil tank than the stresses for an empty tank. With the combination of lead-rubber isolating bearings and sliding bearings

the isolation effects were better and with the increase of the liquid in the tank

the isolation efficiency was higher. When the oil tank was full

the number was close to 50%.

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references

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