Searching for Temporary Seafloor Support Of Jacket Structures information? Find all needed info by using official links provided below.
https://www.onepetro.org/doi/10.4043/3750-MS
Prior to foundation pile installation, offshore jacket structures require temporary seafloor support provided by the jacket leg extensions, lowest level of horizontal bracing, and mud mats. Since the leg extensions are the first foundation element to contact the seafloor, the designer must first select their length to assure full penetration.
https://www.sciencedirect.com/topics/engineering/jacket-structure
A Jacket structure is a welded tubular space frame consisting of vertical or battered legs supported by a lateral bracing system. The function of the jacket is to support the topside facilities, provide supports for conductors, risers, and other appurtenances, and serve as a template for the foundation system.
http://www.mermaid-consultants.com/jacket-mudmat-design.html
MUDMAT DESIGN METHODOLOGY AND ASSUMPTION Mudmat is the temporary seafloor support for jackets and subsea equipment. The function of mudmat is to provide adequate area for load distrubation to the soil. Mudmats are designed to support the weight of structures plus additional loads imposed by the environmental conditions.
https://www.onepetro.org/doi/10.4043/3972-MS
Offshore jacket structures must be supported by mudline soils during a short period of time between the setting of the jacket in. position and the driving of piling to permanently secure the jacket to the seafloor.
https://www.ingentaconnect.com/contentone/sut/1hzvzd/2017/00000001/00000001/art00081
This paper presents a hybrid foundation concept for temporary support of tripod or jacket structures on a thin loose sand/silt layer overlying dense sand. The upper layer typically has low cyclic soil resistance and variable thickness across a tripod/jacket footprint. Such site conditions are widespread.
https://www.researchgate.net/profile/Kostas_Loukakis/publication/269124699_Foundation_Engineering_of_Offshore_Jacket_Structures/links/553be9ab0cf29b5ee4b87e87/Foundation-Engineering-of-Offshore-Jacket-Structures.pdf?origin=publication_detail
During the initial temporary placement on the sea floor the jacket is supported on “mudmats”. These are structural steel, or heavily reinforced flat plates, carefully
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