西南石油大学学报(自然科学版) ›› 1991, Vol. 13 ›› Issue (2): 97-110.DOI: 10.3863/j.issn.1000-2634.1991.02.12

• 论文 • 上一篇    下一篇

罐底模型对罐壁应力计算的影响

王元 孟涛   

  1. (石油机械系)
  • 收稿日期:1989-12-12 修回日期:1900-01-01 出版日期:1991-04-20 发布日期:1991-04-20

EFFECT OF MODELS FOR TANK BOTTOM UPON STRESS CALCULATION IN LARGE TANK SHELL

Wang Yuan Meng Tao

  

  1. (Department of Mechanical Engineering)
  • Received:1989-12-12 Revised:1900-01-01 Online:1991-04-20 Published:1991-04-20

摘要:

本文论述了三种不同的罐底模型给难壁应力计算带来的影响。指出不同的罐底模型对于求解罐底与堆壁连接处的边缘剪力Qo和弯拒Mo值有较大的影响、但时罐壁最大应力值的影响并不大。计算结果也表明:基于弹性半空间解范畴的力学所法和变点法罐底模型较适于砂基或类似的基拙处理,而分离弹黄罐底模型更适宜于钢筋混凝土环梁基拙。文中述及了根据不同的罐基情况,采用相应的罐底模型以求算较符合实际的Oo,Mo值的必要性。

关键词: 罐底, 罐基础, 应力分析

Abstract:

This pager presents the effect of three models for large tank foundation upon the stress calculation of tank shell. The calculated results show that the different models for tank foundation greatly influence the shear edge force Qo and the bending moment M,but not so much the value of the maximum stress in the shell,Two methods on elastic half space solution agree with sand or smaller sand foundation, However,the model of separate spring foundation is more suitable for the foundation supported by a concrete ring wall, The necessity that Q and M should be calculated more exactly by selecting appropriate models is also stated in this paper.

Key words: Tank bottom, Tank foundation, Stress analysis

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