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50th Anniversary of the Melbourne West Gate Bridge Collapse 1

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bimr

Civil/Environmental
Feb 25, 2003
9,332
Two years into construction of the bridge, at 11:50 am on 15 October 1970, the 112-metre (367-foot) span between piers 10 and 11 collapsed and fell 50 metres (164 feet) to the ground and water below. Thirty-five construction workers were killed and 18 injured, and it remains Australia's worst industrial accident to this day.[3] Many of those who perished were on lunch break beneath the structure in workers' huts, which were crushed by the falling span. Others were working on and inside the span when it fell. The whole 2,000-tonne (4,400,000 lb) mass plummeted into the Yarra River mud with an explosion of gas, dust and mangled metal that shook buildings hundreds of metres away. Nearby houses were spattered with flying mud. The roar of the impact, the explosion, and the fire that followed, could be clearly heard over 20 kilometres (12 mi) away. On the following morning, 16 October, Sir Henry Bolte (Premier of Victoria) announced that a Royal Commission would be set up immediately to look into the cause of the disaster. The Prime Minister, John Gorton, said: "I am sure the whole of Australia is shocked and saddened by the serious accident at West Gate Bridge. Please extend my deepest sympathy to all those families to whom this tragic event has brought such grief."

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Thanks for posting this bimr. Damn - time flies by!

During my undergraduate studies I recall examining this collapse in some detail. A few years later, when working in a consulting office in Sydney, the senior principal engineer was going through his bookcase and throwing out 'old stuff' and placed his fully annotated copy of the Royal Commission report in the trash. I quickly scooped it up. I still have the copy.

There were so many technical errors on that project - placement of kentledge, buckling of splice plates, etc, then some unfortunate logistical errors like placing the construction crew lunch 'dongas' (Aussie for transportable sheds) under the spans during construction, that ultimately collapsed.

The consulting engineers were Freeman Fox and Partners - very famous and experienced bridge engineers (including the iconic Sydney Harbour Bridge).
 
Video News from the event
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Picture of the "Report - Royal Commission into the Failure of West Gate Bridge, Victoria, Australia, 1971"
(Licensed as All Rights Reserved)

Ingenuity you are fortunate to have a copy of the report a web search did not turn up a copy.

The West Gate Bridge Memorial, presentation on the commission report.

Fred
 
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