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Designing houses with unevenly distributed bracing - Build 183 (2021)

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Abbreviation
Designing houses with unevenly distributed bracing
Valid from
1/04/2021
Information provider
BRANZ Limited,
Information type
BUILD article,
Format
Website, PDF,
Description

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.

Scope

This article includes: 

  • Irregular bracing can cause problems
  • Damage to Christchurch houses varied
  • BRANZ found underperforming houses
  • NZS 3604:2011 bracing too lenient
  • Changes needed to bracing distribution
  • More information
For assistance with locating previous versions, please contact the information provider.
View on Information Provider website Download this resource (PDF, 719KB)
For assistance with locating previous versions, please contact the information provider.
This resource is not cited by any other resources.

Designing houses with unevenly distributed bracing - Build 183 (2021)

This document is not CITED BY any other resources:

Designing houses with unevenly distributed bracing - Build 183 (2021)

Description

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.

View on Information Provider website Download this resource (PDF, 719KB)
Designing houses with unevenly distributed bracing - Build 183 (2021)
Description

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.

View on Information Provider website Download this resource (PDF, 719KB)
This resource does not cite any other resources.

Designing houses with unevenly distributed bracing - Build 183 (2021)

This resource does not CITE any other resources.
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