oa Civil Engineering = Siviele Ingenieurswese - Bracing of timber roofs
|Article Title||Bracing of timber roofs|
|© Publisher:||South African Institution Of Civil Engineering (SAICE)|
|Journal||Civil Engineering = Siviele Ingenieurswese|
|Affiliations||1 *Structural Engineering, University of Pretoria, Pretoria **Structural Engineering, University of Pretoria, Pretoria|
|Publication Date||Jan 1999|
|Pages||19 - 23|
|Keyword(s)||Bracing, SABS, Timber design code and Timber roofs|
Problems attributed to the bracing of timber roofs have necessitated a fresh look at the bracing criterion given in the timber design code, SABS 0163 (1994). The difference between bracing provided for stability of the overall structure and bracing that is used to reduce the effective length of compression members is discussed. The differences between bracing at discrete intervals and bracing by means of a continuous elastic diaphragm are shown. Revised design rules are proposed, which, if implemented, should solve the problems currently being experienced with timber roofs.
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