Search results for 'wind loads'

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Fixings rationalised

By Roger Shelton 1 June 2011, Build 124, Feature article

Fixings are the Achilles heel of timber buildings. Wind and other damaging hazards find the weakest link in the building, and failure will start there. This is almost always the fixings.

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Snow loading

By Roger Shelton 1 June 2011, Build 124, Feature article

The citing of AS/NZS 1170 Structural design actions in December 2008 introduced a number of changes to snow loading on buildings, and these have resulted in changes in NZS 3604.

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Lintel fixing

By Tom Edhouse 1 October 2013, Build 138

There seems to be some confusion around selecting lintels and deciding if uplift fixings are required using NZS 3604:2011 Timber-framed buildings Table 8.14, so grab your copy of NZS 3604 and work through the steps.

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Hold-down fixings

By Bruce Sedcole 1 October 2020, Build 180

BRANZ regularly receives queries about hold-down fixings to the exterior walls of timber-framed buildings. This overview sets out the fixing requirements in NZS 3604:2011 for resistance to uplift for the various framing members.

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Designing houses with unevenly distributed bracing

By Angela Liu, Roger Shelton 1 April 2021, Build 183

While the bracing requirements in NZS 3604:2011 Timber-framed buildings suit most buildings, the distribution rules of clause 5.4.7 are too lenient for some complex designs. During earthquakes, some Building Code-compliant buildings may move or flex, causing extensive damage. BRANZ research found which buildings are affected and suggests changes.

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