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导管架平台裙桩套筒强度研究
Strength of skirt pile sleeve for jacket platform
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- DOI:
- 10.3969/j.issn.1001-2206.2026.01.001
- 作者:
- 刘续, 申希海
LIU Xu, SHEN Xihai
- 作者单位:
- 1. 中国石油化工股份有限公司上海海洋油气分公司, 上海 200120;2. 中国石油集团工程技术研究有限公司, 天津 300451
1. Offshore Petroleum Engineering Institute of SINOPEC Shanghai Offshore Oil & Gas Company, Shanghai 200120, China;2. CNPC Engineering Technology R&D Compang Limited, Tianjin 300451, China
- 关键词:
- 裙桩套筒; SACS; ABAQUS; 等强度设计
skirt pile sleeve;SACS;ABAQUS;equal-strength design
- 摘要:
裙桩套筒作为导管架平台的重要组成构件，当前研究主要难点在于如何精确模拟该结构在复杂海洋环境荷载下的力学响应。以东海某导管架平台为例，采用结构分析与设计软件（Structural Analysis ComputerSystem，SACS）对该导管架平台进行在位强度计算分析，建立群桩套筒有限元（Advanced Simulation forEngineering and Sciences，ABAQUS）仿真模型，并提出基于等强度设计的优化设计思路。结果表明，裙桩套筒的高应力区分布在上联板（YOKE）与套筒相交区域、导管架腿的撑杆上和导管架腿内部加强环等区域，其他区域应力较小；可通过适当削减纵向剪切板与套筒板厚的方法使应力分布均衡，从而实现裙桩套筒的轻量化设计。研究成果可为类似导管架平台裙桩套筒的优化设计提供参考。
As a critical structural component of jacket platforms, skirt pile sleeves currently face the primary challenge of accurately simulating interactions of their structures in complex marine environments. This paper takes a jacket platform in the East China Sea as an example. In-place strength of the jacket platform was calculated and analyzed by the Structural Analysis Computer System (SACS) software, and then the ABAQUS finite element model of the skirt pile sleeve was established. An optimization design approach based on equal-strength design was proposed. The results show that the high stress zone of the skirt pile sleeve appears in the intersection area between the upper yoke plate and the sleeve, the support rod of the jacket leg, and the inner strengthening ring area of the jacket leg, and the other areas have less stress. Furthermore, the thickness of the longitudinal shear plates and the sleeve can be appropriately reduced to achieve balanced material distribution and realize a lightweight design for the skirt pile sleeve. The research results can be used as reference for the optimization design of skirt pile sleeves for similar jacket platforms in the future.