| 落物撞击作用下海底管道风险评估 |
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| 引用本文： | 丁红岩,乐丛欢,张浦阳.落物撞击作用下海底管道风险评估[J].海洋工程,2010,28(1). |
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| 作者姓名： | 丁红岩 乐丛欢 张浦阳 |
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| 作者单位： | 1. 天津大学,建筑工程学院,天津,300072;天津市土木工程结构及新材料重点实验室,天津,300072
2. 天津大学,建筑工程学院,天津,300072 |
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| 基金项目： | 国家自然科学基金资助项目(50079016) |
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| 摘 要： | 海洋平台吊机起吊货物频繁,落物事故偶有发生,对平台附近的海底管道造成危害。在DNV推荐方法的基础上,改进了碰撞概率的计算方法。运用概率统计的方法以及失效概率理论编制Matlab程序,充分考虑各因素不确定性基础上,对落物撞击作用下海底管道进行了风险评估及敏感性分析。为减少落物对海底管线的损伤,及如何配置合理的防护措施提供了科学依据。
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| 关 键 词： | 海底管道 落物 概率统计 风险评估 敏感性分析 |
Risk assessment of the submarine pipeline subjected to the dropped loads |
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| DING Hong-yan,LE Cong-huan,ZHANG Pu-yang.Risk assessment of the submarine pipeline subjected to the dropped loads[J].Ocean Engineering,2010,28(1). |
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| Authors: | DING Hong-yan LE Cong-huan ZHANG Pu-yang |
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| Institution: | 1.School of Civil Engineering;Tianjin University;Tianjin 300072;China;2.Tianjin Key Laboratory of Civil Engineering Structure and New Materials;China |
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| Abstract: | The activities of crane lifting are performed very frequently on or around the platform during normal operation.It is inevitable that objects will drop from cranes during lifting processes,which may pose a risk to marine pipelines once the objects drop into the sea.An improved method for calculating the collision probability is put forward based on the DNV recommended practice.The probabilistic methodology and theory of failure probability are utilized for the risk assessment of the submarine pipeline,and t... |
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| Keywords: | submarine pipeline dropped objects probabilistic methodology risk assessment sensitivity analysis |
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