Structural Safety Information and Reports

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Glued on stainless steel panels fall

A ceiling in a retail setting was designed to be faced with reflective finish panels. The contractor proposed stainless steel bonded to MDF with folded edges and concealed mechanical restraint. The designer overruled the contractor and selected an adhesive-only solution which was implemented. Some months later, several panels failed, with some stainless steel facings falling to the floor.

Wrong length blind bolts lead to unsafe bridge structure

Bridge strengthening being carried out using blind bolts left a structure in an unsafe condition with traffic loading on it.

Cantilever bridge parapet falsework failure

A reporter has experienced the failure of cantilever parapet falsework twice, for different reasons, using two different products during bridge construction.

Cladding failure in strong winds

A reporter writes with concerns about a repeat failure of building cladding, in severe but not exceptional winds, that saw panels fall to the public street below.

Masonry panels rock in wind due to missing wall ties

Wall ties designed to connect masonry partitions to adjacent steelwork framing were not installed leaving the masonry walls unrestrained. Walls were seen to be rocking in high winds.

Vertical cross bracing unbolted on-site

A reporter came across a situation where a vertical cross bracing member of a temporary steel frame structure had been unbolted on-site.

Connection fixity considerations for steel frame modelling

This report concerns the modelling of joints when using computer programs. In some cases, engineers are applying rotational releases to joints in models but subsequently designing the connections as rigid. This leaves a fundamental mismatch between analysis and design which may lead to unsafe structural connections argues a reporter.

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Glued on stainless steel panels fall

Wrong length blind bolts lead to unsafe bridge structure

Cantilever bridge parapet falsework failure

Cladding failure in strong winds

Masonry panels rock in wind due to missing wall ties

Vertical cross bracing unbolted on-site

Connection fixity considerations for steel frame modelling

Missing elements from 3D modelling

Missing fixing strap on Light Gauge Steel Framing System may affect fire performance

Metal cladding panels fail and fall to ground

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