Bracing light timber-framed roofs
Roof bracing is one element in a continuum that provides resistance to horizontal loads. It works with the wall and foundation bracing to supply a total bracing package for a building.
Bracing
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Bracing ratings
By Graeme Beattie, Stuart Thurston – 1 April 2014, Build 141
Recent BRANZ testing has quantified the bracing ratings of some common older generic bracing systems. These ratings will be useful during repairs or renovations of older buildings.
Dragon ties revisited
By Roger Shelton – 1 February 2021, Build 182
While the use of dragon ties in New Zealand residential construction has decreased over recent decades, they remain a simple and cost-effective method to provide bracing solutions to larger rooms. However, BRANZ helpline queries suggest there is still some confusion around when they should be used.
Bracing using NZS 3604:2011 – part 1
By Tom Edhouse – 1 August 2012, Build 131
Providing sufficient bracing capacity for wind and earthquake is an integral part of the design process. This series starts by looking at the information needed for bracing calculations.
Bracing for suspended floors
By Roger Shelton – 1 June 2013, Build 136
BRANZ has been asked recently for help interpreting NZS 3604:2011 bracing provisions for buildings with suspended subfloor structures. Here are a few pointers.
Roof bracing
By Tom Edhouse – 1 February 2013, Build 134
We complete this four-part Build series on calculating bracing requirements by looking at roof bracing.
Better bracing beckons
By Trevor Pringle – 1 February 2019, Build 170
What homes performed best structurally in the Canterbury earthquakes and why? BRANZ has developed some simple building design advice to help ensure bracing performs as expected.
Subfloor bracing
By Tom Edhouse – 1 October 2012, Build 132
In Build 131 (pages 29–30), we explained the information needed before starting bracing calculations for a building. This time, we work through a subfloor example.
Bracing for monopitch roofs
By Alide Elkink – 1 December 2014, Build 145
Judging by the number of calls to the BRANZ Helpline, there’s some confusion around bracing requirements for monopitch roofs. Here, we sort out the issue.
Bearer joints
By Roger Shelton – 1 October 2017, Build 162
What can be done when joints are required in bearers over anchor or braced piles?
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