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Peikko’s Wind Turbine Foundation Technology for onshore wind turbine foundations offers efficient design and use of raw materials to realise economy of construction. Typically the solution includes manufacture and supply of components (post-tensioned anchor cage and ancillary items) supported by design.
COST REDUCTION
In the solution the use of materials is optimised by the use of in-house produced components; for example, within design software anchor length may be adjusted to ensure zero wastage from raw material, which means that overall costs are reduced. In practice for a 2MW base reduction in rebar is 20% and concrete by 20%.
TIMESCALES
Construction times for a 2MW base are reduced from 2 weeks to 1 week – the company’s offering is also flexible according to project requirements and the team works closely with clients, developers, main engineer and contractor to ensure all parties requirements are included.
FATBAR
As the move to larger turbines progresses, use of higher capacity fatbar anchors is increasing. The product was developed in 2010 and has European Technical Approval and employs innovative features and was developed specifically to meet needs of dynamic loading to wind environment.
ECO GALVANISING CORROSION PROTECTION
As an alternative to Hot Dipped Galvanised anchors, the company offers ECO Galvanising in a process employing thermal spray technology to achieve comparable corrosion protection to HDG.
As ECO Galvanising is only applied to the exposed part of the anchor, significant material and cost savings are made. This process is technically better as it avoids thermal transfer and potential hydrogen embrittlement which eliminates alcalic reaction between fresh zinc and wet concrete.
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www.windenergynetwork.co.uk
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