Support device for at least one portion of a linear structure for crossing an uneven underwater topography, assembly comprising said device and method of support

The resting device addresses the challenge of uneven underwater topography by using a distributed resting approach with buoyant elements and tie rods, ensuring reduced stress and stability for underwater linear structures, effectively managing uneven terrain and environmental forces.

WO2017009807A1 Publication Date: 2017-01-19SAIPEM SPA
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Patent Information

Application Number
PCT/IB2016/054232
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2015-07-15
Filing Date
2016-07-15
Publication Date
2017-01-19

AI Technical Summary

Technical Problem

Existing solutions for underwater linear structures face challenges in managing uneven topography, leading to increased tensions and stresses due to localized forces and environmental factors, which can compromise the integrity of the structure.

Method used

A resting device with floating properties and anchored to the bed, providing a distributed resting solution that minimizes deformations and stresses by using a combination of buoyant elements and tie rods, designed to maintain a horizontal geometry even at height differences, incorporating a deck with a substantial arc shape and truss structure to optimize support and reduce stress peaks.

Benefits of technology

The solution effectively distributes the load and reduces stress concentrations, preventing structural instability and resonance, while allowing the linear structure to maintain a stable and horizontal configuration over uneven underwater topographies, enhancing its durability and operational reliability.

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Abstract

Resting device (1) of at least one portion of a linear structure (2) for crossing an uneven underwater topography, wherein said resting device (1) is suitable for supporting at least one portion of said linear structure (2) that defines a longitudinal direction (X - X) coincident with or parallel to the longitudinal development direction of said linear structure (2); said resting device (1) comprising at least one buoyant element (3) and at least one tether (4), suitable for constraining said resting device (1) to a bed (5), wherein said at least one buoyant element (3) is suitable for providing a sufficient buoyancy to keep said at least one tether (4) under tension, and wherein said resting device (1) also comprises a deck (6) having a shape and material that allows distributed resting of at least one portion of said linear structure (2) on said resting device (1).
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