Why did the Bay Bridge collapse during the San Francisco earthquake of 1989?
Extreme metal stress from the lateral motion of the earthquake. which caused the collapse of the upper tiers.
A section of the Bay Bridge collapsed during the earthquake that shook northern California at 5:04pm on October 17, 1989. The earthquake hit during the "Battle of the Bay," a rare World Series game between the neighboring San Francisco Giants and the Oakland A's. The bridge section that collapsed was on the west-bound top level, but because it fell onto the bottom (east-bound) level, many baseball fans and commuters were stuck in San Francisco that…
There have actually been two failures of the Bay Bridge, although one is much more famous than the other. That one occurred on October 17, 1989, during the "Bay Bridge Series" between the Oakland Athletics and the San Francisco Giants, and was a result of the Loma Prieta Earthquake. The second failure was on October 27, 2009 when a steel crossbeam fell onto the upper deck.
On 29 August 1907, the south arm and part of the central section of the Quebec bridge collapsed into the river in a matter of seconds. Of the 86 workers on the bridge at the time, 75 were killed. A second collapse during construction in 1916 killed another 11 people. The bridge was finally completed in 1919.
i think ist is because the structure of the road wasn't good anough so it collapsed. improve: The structure collapsed because the concrete was not reinforced. When the 6.9 earthquake struck the bay area, the supports were shaken to their breaking point, causing the top section and in some parts the entire structure to collapse. 42 people lost their lives in the collapse. After the collapse, CalTrans demolished the structure, and rebuilt it as a…
During an earthquake buildings and bridges could collapse. Gas and electrical fires can be caused during an earthquake all of which people could die from. Over the centuries many deaths have been caused by major earthquakes such as the Haiti earthquake in 2010 which according to official estimates killed 316,000 people.
Why is a person who is standing outside in an open field relatively safe during a strong earthquake?
it connects the city of San Francisco on the northern tip of the San Francisco Peninsula to Marin County. The Golden Gate Bridge was the longest suspension bridge span in the world when it was completed during the year 1937, and has become one of the most internationally recognized symbols of San Francisco, California, and of the United States
Why not? The reason John Roebling designed the Brooklyn Bridge as a suspension bridge, is because every so often there is a storm and, some storms can have very high wind gusts, the bridge could collapse if, it was not because the wind moves the bridge during wind storms, and that is why it is suspenision.
It was determined by the National Transportation and Safety Board that the bridge has had structural design flaws from the beginning. These flaws, though not sufficient to cause a collapse during regular use, were sufficient to cause a collapse during the bridge's repair when all of the construction equipment and gravel for concrete making was on it in addition to the load of rush hour traffic. These were the errors noted in their report: Insufficient…
Technically, it didn't collapse yet the structure of the bridge was damaged during some type of natural disaster and a part of the bridge did brake off. But unfortunately, a few people died, but the good thing is their wasn't that many people that were injured. Well I hope I Answered your question..