Page 759 - Cable Stayed Bridge News Today

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We will see you back here. >> 20 minutes or so. new evidence showing a deeper link between the clinton foundation and the state department. our next guest has a message for voters who think they can trust her, think again. >> think free speech applies to everyone. well think again. the campus confrontation after a student was banned from praying in public. wow. straight ahead. this is lulu, our newest dog.

Good night. now at six: colin kaepernick says: this country stands for freedom, liberty, justice for all. its not happening for all right now. >> kaepernick says hell continue sitting out the national anthem to stand up for what he believes in. >> plus, a violent confrontation shuts down a stretch of 101 as chp officers face off with an armed man on the freeway. >> every taxpayer has the right to keep their tax return private but not every taxpayer is running to be president obama of the unite...

>> people would come out on a windy day when there was extra bounce in the bridge and walk across. the motion could be fairly dramatic. >> but some find that wave-like motion harrowing. >> as you drove across the bridge, you could look ahead and the car in front of you maybe 100 yards would absolutely disappear as you went down into the bottom of one of these troughs. it was unnerving to a lot of drivers. many who crossed the bridge swore it would be the last time. >> and on that windy autumn da...

Staggering off to one side or the other, virtually crawling part of the way to the safety of the east tower. >> another person trying to escape from the bridge that day is professor bert farquharson. >> professor bert farquharson was a professor of engineering at the university of washington and he was an authority on bridge structures. so when eldridge and lacey murrow became concerned about how much this bridge might move, they hired bert farquharson to conduct some studies. >> as part of his ...

Fact before construction began, the lead engineer was very concerned about the bridge, so he began to help initiate studies by the professor at the university of washington that began to closely examine the bridges movement. >> remedies are attempted before and after the bridge opens. >> they added cable tie downs at each end of the bridge on the approach spans. they did a good job of holding the approach spans in place. but the rest of the bridge across the center span still moved a lot. >> pro...

It would have been a much, much different story had we have been standing in that same spot. coming up, winds cause this bridge to swing wildly, forcing commuters to run for their lives. >> were watching steel and concrete half a mile long twisting 20 times a minute. >> when "caught on camera: watch out" continues. ♪ ♪ (vo) making the most out of every mile. thats why i got a subaru impreza. (avo) love. its what makes a subaru, a subaru. get zero percent on select subaru models during the ...

Department of transportation says the cause of the collapse was torsional flutter or aerodynamic instability. >> that was the vice that took the bridge down. this was a condition that no structure can maintain for a significant period of time. >> gertie is replaced by a stronger bridge in 1950, ten years after the collapse. but a part of it still survives. >> this is the side span, the approach span. this is the original galloping gerties 1940 bridge. you can see the two eight-foot-deep section....

Sound, located in the northwest section of the evergreen state. winds are gusting a little more than 40 miles per hour, causing the tacoma narrows bridge to really sway. surprising as it looks, the movement doesnt stop cars and pedestrians from crossing it. ever since the bridges opening four months earlier, residents affectionately call her galloping gertie because of the way she dances and snakes in the wind. bridges are designed to move a little, but gerties movements seem a bit extreme. for ...

It may look like special effects from an old hollywood movie, but this is real. a massive steel and concrete bridge sways and buckles, leaving commuters desperate to escape before it collapses. >> it was breathtaking. it was frightening. >> november 7th, 1940, tacoma, washington. its a blustery day in puget