Span Tables - a look back and forward
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Widely used for a range of building types, trussed rafters are an economical, versatile and straightforward solution to providing a roof to a building.
Trussed rafters are individually designed prefabricated structural components made from strength-graded timber members of the same thickness, joined together with punched metal plate connectors....
Explains the principles of serviceability limit states set out in Eurocode 0 and shows how to apply them to structural timber members, assemblies and built-up components. Explains timber-specific rules given in Eurocode 5 relating to creep and joint slip. Recommends some deflection limits and provides simple worked examples.
When a delivery of trussed rafters arrives on site the contractor(s) involved should be prepared and have already allocated sufficient and suitable resources to ensure the trussed rafters are unloaded safely and in a manner so as not to overstress or damage the trusses.
This information sheet gives a...