Successful Cable Burial — Its Dependence on the Correct Use of Plough Assessment and Geophysical Surveys

Noad, Jon

doi:10.1007/978-94-017-2473-9_4

Cited by 2 publications

(2 citation statements)

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“…The demands for such channels keep increasing, and hence the needs for trenching operations have grown rapidly in recent years [1][2][3]. The practice of subsea trenching was initiated in the early 1950s [4] with the aim to reduce the risk of hazards to subsea installations [5][6][7]. The concept of subsea trenching has been developed over the years through the improvement of design and implementation techniques.…”

Section: Introductionmentioning

confidence: 99%

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Perspective Review on Subsea Jet Trenching Technology and Modeling

Njock

Zheng

Zhang

et al. 2020

JMSE

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This paper presents a comprehensive review on subsea jet trenching technology via a critical analysis of its principle, mechanism, devices, modeling approaches, as well as properties of subsea sediments. This review shows that the success of jet trenching operations is closely related to some key factors including the soil conditions, trencher specifications, and characteristics of pipelines or cables. Three case histories are presented to demonstrate the importance of these key factors and their interrelationships. This paper also points out a number of challenges pertaining to the implementation of the jet trenching method in carbonate sediments, as well as some limitations and gaps in the existing modeling approaches. Future perspective researches that are recommended to develop: (1) promising theories, like turbulent submerged flow, and (2) robust numerical approaches, such as the smoothed particle hydrodynamics (SPH) and material point method (MPM) to substantiate the experimental experience and reveal possible hidden mechanisms.

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Section: Introductionmentioning

confidence: 99%

“…Although different burial techniques have been devoted to risk reduction for seabed installations [2,5,16], the selection of the appropriate trencher equipment depends on a number of factors. Among them, the properties of the soil from which the trench is to be excavated is the most critical for all the trenching tools [17].…”

Section: Introductionmentioning

confidence: 99%