timber1pp15.05

timber1pp15.05 - Timber - A versatile construction material...

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DJ Lavery Timber - A versatile construction material Used in roof construction – trussed rafters Floor joists Studding Prefabrication – factory made panels – timber frame Glulam beams Functional requirements and aesthetic appeal
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DJ Lavery Timber - A versatile construction material Durability Life expectancy 70 years if treated Many timbers in much older buildings intact Range of products Cut timber Finished Sawn Boards Plywood, chipboard, MDF, LVL etc Dimensionally stable
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DJ Lavery Some properties of timber Variability Across species Within species Geographical distribution Within each tree Anisotropy Capacity to show different properties depending on orientation Different strengths in different directions
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DJ Lavery Some properties of timber Hygroscopicity Fibre saturation point
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This note was uploaded on 11/24/2011 for the course SUR BLD115 taught by Professor Chapman during the Fall '11 term at Uni. Ulster.

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timber1pp15.05 - Timber - A versatile construction material...

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