Collapse of composite-repaired cylinders with internal metal loss subjected to external hydrostatic pressure |
| |
| Affiliation: | 1. School of Mechanical Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212003, China;2. Shanghai Engineering Research Center of Marine Renewable Energy, College of Engineering Science and Technology, Shanghai Ocean University, Shanghai, 201306, China;1. College of Civil and Transportation Engineering, Hohai University, Nanjing, China;2. State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian, China;3. Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian, China;1. Shanghai Engineering Research Center of Marine Renewable Energy, College of Engineering Science and Technology, Shanghai Ocean University, Shanghai, China;2. University of Stavanger, Norway;1. School of Naval Architecture and Ocean Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212003, China;2. gMarine, Houston, TX, USA;3. China Ship Scientific Research Center (CSSRC), Wuxi, 214082, China |
| |
| Abstract: | The present study investigates the collapse performance of composite-repaired cylinders with internal metal loss subjected to external pressure. Three groups of intact, thinned, and repaired cylinders were designed, analytically verified, fabricated, geometrically measured, externally tested, and numerically modeled. Each group had three nominally identical cylinders to ensure the repeatability of experiments. The cylinders had the same end closure, effective length, total length, external radius, and intact thickness for an equivalent comparison. The thinned cylinder was considered as the intact cylinder with internal metal loss, whereas the repaired cylinder was considered as the thinned cylinder with composite reinforcement. The results indicated that the external loading capacity of cylinders with internal metal loss could be fully restored and even enhanced by composite reinforcement. Composite-repaired cylinders are much less sensitive to initial geometrical imperfections than intact cylinders. |
| |
| Keywords: | Cylindrical shell Metal loss Composite reinforcement External pressure |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
