首页|Predicting impact forces on pipelines from deep-sea fluidized slides:A comprehensive review of key factors

Predicting impact forces on pipelines from deep-sea fluidized slides:A comprehensive review of key factors

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Deep-sea pipelines play a pivotal role in seabed mineral resource development,global energy and resource supply provision,network communication,and environmental protection.However,the place-ment of these pipelines on the seabed surface exposes them to potential risks arising from the complex deep-sea hydrodynamic and geological environment,particularly submarine slides.Historical incidents have highlighted the substantial damage to pipelines due to slides.Specifically,deep-sea fluidized slides(in a debris/mud flow or turbidity current physical state),characterized by high speed,pose a significant threat.Accurately assessing the impact forces exerted on pipelines by fluidized submarine slides is crucial for ensuring pipeline safety.This study aimed to provide a comprehensive overview of recent advance-ments in understanding pipeline impact forces caused by fluidized deep-sea slides,thereby identifying key factors and corresponding mechanisms that influence pipeline impact forces.These factors include the velocity,density,and shear behavior of deep-sea fluidized slides,as well as the geometry,stiffness,self-weight,and mechanical model of pipelines.Additionally,the interface contact conditions and spatial relations were examined within the context of deep-sea slides and their interactions with pipelines.Building upon a thorough review of these achievements,future directions were proposed for assessing and characterizing the key factors affecting slide impact loading on pipelines.A comprehensive under-standing of these results is essential for the sustainable development of deep-sea pipeline projects asso-ciated with seabed resource development and the implementation of disaster prevention measures.

Deep-sea fluidized slidesPipesImpact forcesShear behavior of slidesInterface contact conditionsSpatial relation

Xingsen Guo、Ning Fan、Defeng Zheng、Cuiwei Fu、Hao Wu、Yanjun Zhang、Xiaolong Song、Tingkai Nian

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State Key Laboratory of Coastal and Offshore Engineering,Dalian University of Technology,Dalian 116024,China

Department of Civil,Environmental,and Geomatic Engineering,University College London,London WC1E 6BT,United Kingdom

Shandong Provincial Key Laboratory of Marine Environment and Geological Engineering,Ocean University of China,Qingdao 266100,China

State Key Laboratory of Geohazard Prevention and Geoenvironment Protection,Chengdu University of Technology,Chengdu 610059,China

College of Civil Engineering and Architecture,Wenzhou University,Wenzhou 325035,China

Key Laboratory of Engineering and Technology for Soft Soil Foundation and Tideland Reclamation of Zhejiang Province,Wenzhou 325035,China

Zhejiang International Science and Technology Cooperation Base of Ultra-soft Soil Engineering and Smart Monitoring,Wenzhou 325035,China

School of Geography,Liaoning Normal University,Dalian 116029,China

China Railway First Survey and Design Institute Group Co.,Ltd.,Xi'an 710043,China

Department of Geotechnical Engineering,Nanjing Hydraulic Research Institute,Nanjing 210024,China

Wuhan Center,China Geological Survey(Central South China Innovation Center for Geosciences),Wuhan 430205,China

State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines,Anhui University of Science and Technology,Huainan 232001,China

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opening fund of State Key Laboratory of Coastal and Offshore Engineering at Dalian University of Technologyopening fund of State Key Laboratory of Geohazard Prevention and Geoenvironment Protection at Chengdu University of TechnoloShandong Provincial Key Laboratory of Ocean Engineering with grant at Ocean University of China国家自然科学基金国家自然科学基金国家自然科学基金Science and Technology Innovation Serve Project of Wenzhou Association for Science and Technology

LP2310SKLGP2023K001kloe200301420220524207727252108337KJFW65

2024

10.1016/j.ijmst.2024.02.001

矿业科学技术学报(英文版)
中国矿业大学

矿业科学技术学报(英文版)

CSTPCDEI
影响因子：1.222
ISSN：2095-2686
年,卷(期)：2024.34(2)
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