Why did the Nipigon bridge fail?
Why did the Nipigon bridge fail?
The decking on the bridge, described as the first cable-stayed bridge in Ontario, heaved about 60 centimetres in January 2016, effectively severing the Trans-Canada Highway for several hours. Engineering reports found that a combination of design and installation deficiencies caused the failure.
What happened to the Nipigon bridge?
A combination of design and installation deficiencies of several key components caused a bridge in northwestern Ontario to fail over the winter, severing a critical Trans-Canada Highway link, reports have found.
How long was the Nipigon bridge closed?
That failure led to a 27-hour closure of the span, the only Trans-Canada Highway link across the Nipigon River, disrupting cross-country travel.
When was Nipigon bridge built?
2013
Nipigon River Bridge/Constructions started
How many times did the Quebec bridge collapse?
The Quebec Bridge, in Quebec City, collapsed twice during its 30-year construction. In 1907, 75 workers were killed and 11 injured when the bridge, the design of which was later determined to be insufficient to support its own weight, completely collapsed.
What are cable stayed bridges made out of?
Cable-stayed bridge
| The Russky Bridge in Vladivostok has a central span of 1104 metres. It is the world’s longest cable-stayed bridge. | |
|---|---|
| Ancestor | Suspension bridge |
| Span range | Medium to Long |
| Material | Steel rope, post-tensioned concrete box girders, steel or concrete pylons |
| Movable | No |
Who designed the Nipigon Bridge?
McCormick Rankin
Nipigon River Bridge
| Nipigon River Bridge (2015) | |
|---|---|
| Designer | McCormick Rankin (MRC) |
| Constructed by | Bot Construction and Ferrovial Agroman |
| Construction start | 2013 |
| Construction end | 2018 (estimated) |
What went wrong with the Quebec Bridge?
The panel’s report found that the main cause of the bridge’s failure was improper design of the latticing on the compression chords. The collapse was initiated by the buckling failure of Chord A9L, on the anchor arm near the pier, immediately followed by Chord A9R.
What bridge collapsed twice?
The Quebec Bridge
The Quebec Bridge, in Quebec City, collapsed twice during its 30-year construction. In 1907, 75 workers were killed and 11 injured when the bridge, the design of which was later determined to be insufficient to support its own weight, completely collapsed.
How did Nipigon get its name?
The name Nipigon comes from a word heard by European explorers when interacting with the local Aboriginal peoples. The word is thought to mean “deep and clear water”. The first town election was in 1909 when McKirdy was first elected mayor.
When was the Nipigon River bridge unexpectedly closed?
On September 22, 2016, the Ministry of Transportation provided an update on the investigation into the Nipigon River Bridge after it was unexpectedly closed earlier this year. The Minister of Transportation provided a Joint Statement on Nipigon River Bridge. More information and links to the full reports can be found on this page.
Is the Nipigon River Bridge the longest in Canada?
Among the several points on the Trans-Canada Highway with only one crossing, all of which are in Northwestern Ontario, the two-lane Nipigon River Bridge was the longest. It was estimated that over $100 million of goods per day shipped within Canada by truck were delayed by the bridge closure.
When was the last time a bridge failed in Ontario?
The last bridge failure to impact the highway was in 2003, at Latchford. A man inspects the area where two portions of the Nipigon River Bridge split on Sunday afternoon. (Twitter/@aholyghost1) The Ontario Provincial Police posted this photo on Twitter on the damaged Nipigon River Bridge on Sunday, Jan. 10, 2016.
