Buckling of bi-segment spherical shells under hydrostatic external pressure

被引：30

作者：

Zhang, Meng ^{[1
]}

Tang, Wenxian ^{[1
,3
]}

Wang, Fang ^{[2
]}

Zhang, Jian ^{[1
,3
]}

Cui, Weicheng ^{[2
]}

Chen, Yun ^{[3
]}

机构：

[1] Jiangsu Univ Sci & Technol, Sch Mech Engn, Zhenjiang 212003, Peoples R China

[2] Shanghai Ocean Univ, Shanghai Engn Res Ctr Hadal Sci & Technol, Shanghai 201306, Peoples R China

[3] Jiangsu Univ Sci & Technol, Jiangsu Prov Key Lab Adv Mfg Marine Mech Equipmen, Zhenjiang 212003, Peoples R China

来源：

THIN-WALLED STRUCTURES | 2017年 / 120卷

关键词：

Buckling; Bi-segment spherical shell; 304; steel; External pressure; DESIGN; DOMES; HULL;

D O I：

10.1016/j.tws.2017.08.017

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

This paper focuses on bi-segment spherical shells under uniform external pressure. The numerical and experimental results of buckling of bi-segment spherical shells with rib-ring of different sizes were discussed. A total of six laboratory scale models with rib-ring of three different sizes were tested. The bi-segment pressure hull was assembly with two individual spherical shells and the rib-ring using the tungsten inert gas butt welding. Each segment was 150 mm diameter and about 0.8 mm wall thickness. Numerical collapse modes agreed well with those obtained from experiments. The predicted collapsed load is about 92-99% of the experimental one except the shell with no rib-ring.

引用

页码：1 / 8

页数：8

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