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TRADA Technology's revised Wood Information Sheet provides guidance on strutting in timber floors.
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Strutting in timber floors is the latest TRADA Technology Wood Information Sheet to be updated for ease of downloading online.
Strutting plays a useful role in promoting composite structural behaviour of the components which form a timber floor. One effect of strutting is to reduce local deflections by transferring load to adjacent joists (load sharing). It can also improve joist stability by providing lateral support to joist edges, as well as reducing the effects of vibration with frequencies above the natural frequency of the floor. There are three types: timber blocks, timber herringbone and various metal proprietary systems.
The revised Wood Information Sheet highlights several key points:
• If using timber blocks, it is important to control moisture content otherwise the components will shrink and become less effective.
• Floors with I-joists and open-web joists are more susceptible to vibration than those with solid joists.
• The limits on deflection and vibration prescribed in BS 5268-2 remain useful for engineers following the more analytical approach in Eurocode 5 (EC5).
TRADA members may download Strutting in timber floors in PDF format free of charge from the TRADA website. The cost is £12.00 for non-members. Visit www.trada.co.uk/Bookshop.
Contact Information
Jean Kloos
BM TRADA Group
Stocking Lane
Hughenden Valley
High Wycombe
Bucks
HP14 4ND
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