Three Dimensional Numerical Simulation of LNG Prestressed Tank


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The purpose of this paper is to observe the distribution of displacement and stress of LNG prestressed tank when under the normal condition and the LNG divulging. The Abaqus software has been used to analyze the three dimensional LNG prestressed tank with finite element method, a numerical simulation is carried out by modeling the prestressed rebar with three dimensional elements, meanwhile, the prestress is applied for rebar with the falling temperature method. By coupling the condition of dead load, live load, prestress, gas pressure, hydraulic pressure and the low temperature, the conclusions indicate that: 1) the valid prestress has been applied by the prestressed rebar for LNG tank model. 2) the effect of live load for the tank can be ignored but the effect of gas pressure cannot. 3) the effect of highly temperature difference between the internal and external of LNG tank is great when the template lining of LNG tank divulging. The maximum displacement of cylinders shell is 28.22mm, and the maximum stress is 13.97MPa, the safety can be enhanced by modifying the arrangement of prestressed rebar.



Advanced Materials Research (Volumes 433-440)

Edited by:

Cai Suo Zhang




X. H. Du and X. P. Shen, "Three Dimensional Numerical Simulation of LNG Prestressed Tank", Advanced Materials Research, Vols. 433-440, pp. 1324-1332, 2012

Online since:

January 2012




[1] J. Li, The construction techique of LNG tank, 35th, vol. 4. Welding Technology, 2006, pp.54-56.

[2] N. Lv, J. Xie and J. Yang, Reviewed on construction techique of large low temperature LNG tank, 27th, vol. 1. Special Structure, 2010, pp.105-108.

[3] W. Wang, Study on Behavior of Large Liquefied Concrete Natural Gas Prestressed Storage Tank under Static Load, Daqing: Daqing Petroleum Instirtute, (2009).

[4] Y. Zhang, X. Liu, Y. Yu and W. Wang, Morphing Analysis of Outer Wall of LNG Storage Tank Influented by Ultra Low Temperature, 3rd, vol. 10. Science Technology and Engineering, 2010, pp.769-772.

[5] L. Shu, H. Gu, G. Shi, Y, You and J, Zhen, Design and construction techique of large LNG PC Tank, vol. 11. Industrial Buildings, 2007, pp.32-44.

[6] H. Wu, Y. Lu, Study on construction techique of LNG tank body in Shanghai. 1st, vol. 8. China Water Transport, 2008, pp.138-139.

[7] F. S. Rostasy, U. Schneider and G. Wiedemann. Behavior of Mortar and Concrete at Extremely Low Temperatur., 9th, vol. 3. Cem & Concr. Res, 1979, pp.365-376.

[8] Abaqus Analysis User's Manual. Version 6. 5.

[9] Z. Zhuang, X. You, J. Liao, S. Cen, X. Shen and M. Liang. Finite Element Analysis and Application based on ABAQUS,. Beijing: Tsinghua University Press, (2009).