Analysis of Modal and Seismic Property of Oil Storage Tanks

Abstract:

In the engineering background of 1000 cubic meters of anchored tank, the large-scale finite element software ANSYS was used to analysis of modal and transient of oil storage tanks. Completed oil tank model and carried on the modal analysis and then vibration characteristics were gained. On this basis, considering the earthquake excitation, analyzes dynamic response of the anchored tank under seismic load. Then gained the oil tank overall structure of displacement, equivalent stress, axial and circumferential stress. From images can be analyzed that the main vibration mode is multiple circumferential wave, the stress of upper tank and its seams is the largest under earthquake loading and easy to be damaged, strengthen circle should be set up. Through the simulation analysis provided powerful basis for seismic design of the vertical storage tank.

• Periodical: Applied Mechanics and Materials (Volume 527)
• Pages: 95-99
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.527.95
• Online since: February 2014
• Authors: Cai Xia Shi, Wei Min Yang
• Keywords: Large Storage Tank, Modal Analysis, Seismic

References

[1] Shen Li-ying, Shen Shi-ming. Modal Analysis of Large Storage Tanks: submitted to Journal of Refining Technology and Engineering (2008).

[2] Wang Fei. The Numerical Simulation and Structural Optimization of Large-Scale Non-Anchor Crude Oil Storage Tanks. Zhe Jiang University Press, Zhe Jiang. (2006).

[3] Sun Jian-gang, Zhou Li-jian. Vertical Storage Tank and Foundation Interaction Analysis of Dynamic Characteristics: submitted to Journal of Earthquake Engineering and Engineering Vibration (2006).

[4] Sun Jian-gang, Cui Li-fu, Zhang Yang. Interaction between Soil and Structure on the Seismic Response of the Tank: submitted to Journal of Earthquake Engineering and Engineering Vibration (2010).

[5] Zhou Li-jian, Huang Jing, Wang Xiang-ying. The Seismic Response Analysis of Outer Tank under Conditions of Inner Tank Leak: submitted to Journal of Pressure Vessels (2012).

[6] Chen Zhi-ping. Stress Analysis and Seismic Research of Large Unanchored Tanks, Zhejiang University, Zhe Jiang. (2006).

[7] Zhang Yan. Earthquake Response of Vertical Cylindrical Tanks. China University of Petroleum Press, Qing Dao. (2009).

[8] Sun Jian-gang. The Isolation Large Vertical Tank Isolation (Science Press, Being Jing 2010).

[9] Proceedings of the Cylindrical Reservoir Seismic. Earthquake Press. 373-409 (1986).