浙江大学学报(工学版)  2017, Vol. 51 Issue (9): 1824-1833    DOI: 10.3785/j.issn.1008-973X.2017.09.017
 机械工程

Floating-roof tanks' distortion analysis based on measured settlement
FAN Hai-gui, CHEN Zhi-ping, XU Feng, TANG Xiao-yu, SU Wen-qiang
Institute of Process Equipment and Control Engineering, Zhejiang University, Hangzhou 310058, China
 全文: PDF(2684 KB)   HTML

Abstract:

The distortion behavior of floating-roof tanks under differential settlement was investigated based on measured settlement. The radial displacement formula of tanks under uneven settlement was derived by applying the classical elasticity theory. Using finite element method, distortion response of tanks under uneven settlement was simulated by solid element and shell element, respectively. Results of theoretical formula and finite element method were compared and analyzed. Based on that, double exponential attenuation function fitting method was applied to obtain the radial displacement formula of tanks with eave wind girder under uneven settlement. The finite element simulation method was applied to compare with the formula and verify it. Results show that for tanks with eave wind girders which have different forms and sizes, the formula can be used to calculate tanks distortion under uneven settlement accurately, thus to predict the potential failure modes of in-service tanks.

 CLC: TU33

 服务 把本文推荐给朋友 加入引用管理器 E-mail Alert 作者相关文章

#### 引用本文:

FAN Hai-gui, CHEN Zhi-ping, XU Feng, TANG Xiao-yu, SU Wen-qiang. Floating-roof tanks' distortion analysis based on measured settlement. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 2017, 51(9): 1824-1833.

#### 链接本文:

 [1] FAN H G, CHEN Z P, FENG W Z, et al. Buckling of axial compressed cylindrical shells with stepwise variable thickness[J]. Structural Engineering and Mechanics, 2015, 54(1):87-103. [2] CHEN Z P, DUAN Y Y, SHEN J M, et al. A simplified method for calculating the stress of a large storage tank wall[J]. Proceedings of the Institution of Mechanical Engineers, Part E:Journal of Process Mechanical Engineering, 2007, 221(3):119-127. [3] FAN H G, CHEN Z P, SHEN J M, et al. Buckling of steel tanks under measured settlement based on Poisson curve prediction model[J]. Thin-Walled Structures, 2016, 106:284-293. [4] 康杰,徐晓红,郭寥廓.软土地基储罐群产生不均匀沉降原因及纠偏[J].炼油技术与工程,2010(10):57-60. KANG Jie, XU Xiao-hong, GUO Liao-kuo. Analysis and correction of uneven settlement of tank group in soft soil area[J]. Petroleum Refinery Engineering,2010(10):57-60. [5] KAMYAB H, PALMER S C. Analysis of displacements and stresses in oil storage tanks caused by differential settlement[J]. Proceedings of the Institution of Mechanical Engineers, Part C:Journal of Mechanical Engineering Science, 1989, 203(1):61-70. [6] 傅伟庆,武铜柱,许莉.大型浮顶油罐技术发展[J].化工设备与管道,2013,50(4):1-5. FU Wei-qing, WU Tong-zhu, XU Li. Technical development of large floating roof oil tank[J]. ProcessEquipment and Piping, 2013, 50(4):1-5. [7] ZHAO Y, CAO Q S, XIE X Y. Floating-roof steel tanks under harmonic settlement:FE parametric study and design criterion[J]. Journal of Zhejiang University SCIENCE A, 2006, 7(3):398-406. [8] CHEBARO M R, YOOSEF-GHODSI N, YUE H K. Steel storage tank shell settlement assessment based on finite element and API standard 653 analysis[C]//20087th International Pipeline Conference. Calgary:ASME, 2008:395-399. [9] 石磊,帅健,许葵.基于FEA模型和API653的大型油罐基础沉降评价[J].中国安全科学学报,2014,24(3):114-119. SHI Lei, SHUAI Jian, XU Kui. Assessment of large-scale oil tanks foundation settlement based on FEA model and API 653[J]. China Safety Science Journal, 2014, 24(3):114-119. [10] 石磊,帅健,许葵.大型油罐基础沉降国内外评价标准对比[J].油气储运,2014,33(8):862-868. SHI Lei, SHUAI Jian, XU Kui. Comparison of evaluation standards for large oil tank foundation settlement in China and abroad[J]. Oil and Gas Storage and Transportation, 2014, 33(8):862-868. [11] AYARI H, TRUONG D, SEHN J, et al. A nonlinear finite element study on settlement and releveling procedure of a large deformed steel tank[J]. Journal of Pressure Vessel Technology, 2014, 136(3):034-502. [12] ZHAO Y, LEI X, WANG Z, et al. Buckling behavior of floating-roof steel tanks under measured differential settlement[J]. Thin-Walled Structures, 2013, 70:70-80. [13] CALLADINE C R. Theory of shell structures[M]. Cambridge:Cambridge University Press, 1989:407. [14] CHEN D Y, FAN H G, SHEN J M, et al. Research of curve fitting method on the measured settlement of tanks[J]. Procedia Engineering, 2015, 130:400-407. [15] 石亦平,周玉蓉.ABAQUS有限元分析实例详解[M].北京:机械工业出版社,2006:60-62. [16] 中华人民共和国住房和城乡建设部.立式圆筒形钢制焊接油罐设计规范:GB 50341-2014[S]. 北京:中国计划出版社, 2014:47. [17] GONG J, TAO J, ZHAO J, et al. Effect of top stiffening rings of open top tanks on critical harmonic settlement[J]. Thin-Walled Structures, 2013, 65:62-71.
 [1] 肖南, 苗永志, 赵文争. 子午向几何缺陷冷却塔的结构性能分析[J]. J4, 2010, 44(4): 819-825.