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Application of high-strength steel in offshore wind energy tubular structures

Total Cost €


EC-Contrib. €






 HSS-Wind project word cloud

Explore the words cloud of the HSS-Wind project. It provides you a very rough idea of what is the project "HSS-Wind" about.

loading    generates    fatigue    constitutes    deeper    material    accruing    provides    energy    seabed    section    constructed    impacts    steel    larger    structural    twin    farm    severe    environment    constructing    time    installation    expenditure    wind    standard    sizes    causes    advantages    renewable    weight    capacity    basis    mpa    levels    resistance    structures    lower    environmental    harvest    self    engineering    crane    offshore    sited    static    encountered    thickness    benefit    difficulties    members    reducing    compact    harsh    deep    yield    ductility    substantially    vessels    welded    platforms    cyclic    fracture    resist    easily    load    progressively    strength    obvious    currently    question    vicinity    hss    estimation    deformation    20    resilience    integrity    capital    wave    water    welds    joint    waters    connections    reduces    logistics    355    complicates    platform    wall    tubular    welding    lighter    environments    normal    savings    connection   

Project "HSS-Wind" data sheet

The following table provides information about the project.


Organization address
postcode: EH8 9YL

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country United Kingdom [UK]
 Total cost 195˙454 €
 EC max contribution 195˙454 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2017
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2019
 Duration (year-month-day) from 2019-02-01   to  2021-01-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    THE UNIVERSITY OF EDINBURGH UK (EDINBURGH) coordinator 195˙454.00


 Project objective

Currently, offshore wind structures are constructed using normal strength steel members with yield strength of around 355 MPa. Larger section sizes are required to resist the higher load levels encountered in progressively deeper waters. This substantially increases cost, complicates logistics, generates installation difficulties, and causes greater environmental impacts. HSS material has the twin advantages of reducing the self-weight of structures and accruing associated cost savings. The installation costs typically represent up to 20% of the capital expenditure of an offshore wind farm. There is a need for more compact and lighter structures that can be easily sited on the seabed by standard installation vessels with lower crane capacity. Furthermore, the use of HSS provides increased structural resilience against strong cyclic loading in deep water environments, and reduces welding time due to reduced wall thickness. The benefit of HSS in static loading capacity is obvious, due to its increased strength. But there is a concern on deformation capacity for HSS connection, due to its lower ductility than normal-strength steel. In addition, the fatigue strength of HSS, especially at welded connections, remains an open question. HSS-WIND will investigate the application of HSS in offshore wind tubular platforms. The tubular joint is a common structural element in offshore wind platforms, and severe cyclic load, induced by wave and wind in the harsh offshore environment, may lead to fatigue fracture and failure at the vicinity of the welds. Reliable estimation of fatigue behaviour and resistance of HSS welded tubular connections constitutes an engineering challenge, essential for the platform structural integrity. HSS-WIND provides the basis of constructing offshore wind platforms using advanced HSS material, thus facilitating further harvest of renewable energy in deeper waters.

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The information about "HSS-WIND" are provided by the European Opendata Portal: CORDIS opendata.

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