I-35 Bridge: "We're taking it out."

[chachi]

Originally Posted by BrodieMSU

would you rather i state "progression" or "progressive" as many times as i possibly can in one reply? i dont know what your background is in structural engineering, but i know you dont know what you are talking about. its ridiculous to compare a building and a bridge in failure modes. i know this because i actually am a structural engineer.

...

essentially, this was a fatigue crack in a fracture critical member

All of the information you posted in this post is what LED to the collapse... not the ACTUAL collapse mechanism or timing involved in the collapse... correct?

The bridge was fatigued and eventually a critical member gave, overloading the other members and causing a global collapse. This took at least 4 seconds per the video and MSM news.

If this is the case you have not answered to anything I have posted.

"A bridge with essentially TWO supports takes 4 seconds to fail because ONE truss was lost and progressed to the others... Progressive collapse, far less supports, smaller safety factor due to age. Why the delay? Why not instant failure like the THREE WTC towers? Why not ignore the intact resistance like in the WTC?

WTC towers avg. 10 seconds to collapse (NIST) because of (officially) a truss failed overloading other trusses and causing them to fail, the causing all the columns to fail even in 70 untouched floors and causing global collapse in < 11 seconds in both cases.

IDK... seems like the bridge should have collapsed in < 1 second per. 9/11 gravity magic."

[chachi]

Originally Posted by Lomez

was that strong enough chachi?

Actually, it was weak as hell because it only speaks to the condition of the bridge... not the actual collapse itself.

Originally Posted by Lomez

Brodie, just concede right now that it was not brown men that brought the bridge(WTC) down, put rather a PNAC plot, and chachi will be happy.

WTF? I am sure it failed naturally in a gravity driven collapse... that took > 4 seconds.

that was my only point.

I love little bitch tagalong schticks. LOL

[chachi]

Originally Posted by lars

Talk about twisting facts. You are the King of twisting facts.

Way to bring it strong Lars.

Examples?

[EComCon]

http://www.dot.state.mn.us/i35wbridg...t_06-15-06.pdf

Government obviously has no clue

Zilwaukee Bridge


Cut Taxes and Go Pistons
Pistons coach was nearly on collapsed bridge

[BrodieMSU]

Originally Posted by EComCon

http://www.dot.state.mn.us/i35wbridg...t_06-15-06.pdf

Government obviously has no clue

Zilwaukee Bridge


Cut Taxes and Go Pistons
Pistons coach was nearly on collapsed bridge

NBI rating = 4 for superstructure = structurally deficient = annual inspections

Look at Element Number 356, FATIGUE CRACKS, numerous in flanking spans at locations of negative moment (near supports).

MnDOT is in some deep ****

[The Commish]

Originally Posted by chachi

All of the information you posted in this post is what LED to the collapse... not the ACTUAL collapse mechanism or timing involved in the collapse... correct?

The bridge was fatigued and eventually a critical member gave, overloading the other members and causing a global collapse. This took at least 4 seconds per the video and MSM news.

If this is the case you have not answered to anything I have posted.

"A bridge with essentially TWO supports takes 4 seconds to fail because ONE truss was lost and progressed to the others... Progressive collapse, far less supports, smaller safety factor due to age. Why the delay? Why not instant failure like the THREE WTC towers? Why not ignore the intact resistance like in the WTC?

WTC towers avg. 10 seconds to collapse (NIST) because of (officially) a truss failed overloading other trusses and causing them to fail, the causing all the columns to fail even in 70 untouched floors and causing global collapse in < 11 seconds in both cases.

IDK... seems like the bridge should have collapsed in < 1 second per. 9/11 gravity magic."

This is such BS.

Any structural engineer worth his salt knows that the tensile strength of steel is equal to 4 rem parts per mm of suspended weight.

In a bridge truss the strength of the bearing load is 4x= to the azimuth of the diagonal flow (23y to the 3rd power). So that means in order for a bridge with two trusses to collapse in 4 seconds the vertical sheer would have to be greater than 5x times the horizontal bearing load. Since it has been proven that high tensile strength steel can only withstand a breaking weight of 9 times its maximum progression load, that means the force of strength to cause the bridge to collapse as fast as it did would be = to the square root of 4 times the 1/3 quantity of the power ratio. Schulstein's 3rd law of engineering dynamics states that this is absolutely impossible and that a collapse of a < 4 magnitude has to have a significantly greater accelerate force ratio behind its negative impact vectors.

So scientifically your theory that his is some "accident" is so full of crap its unbelievable and only a significant outside force, like explosives, could cause a bridge to fails as quickly as this one did.

[BrodieMSU]

Originally Posted by Spartamus Prime

This is such BS.

Any structural engineer worth his salt knows that the tensile strength of steel is equal to 4 rem parts per mm of suspended weight.

In a bridge truss the strength of the bearing load is 4x= to the azimuth of the diagonal flow (23y to the 3rd power). So that means in order for a bridge with two trusses to collapse in 4 seconds the vertical sheer would have to be greater than 5x times the horizontal bearing load. Since it has been proven that high tensile strength steel can only withstand a breaking weight of 9 times its maximum progression load, that means the force of strength to cause the bridge to collapse as fast as it did would be = to the square root of 4 times the 1/3 quantity of the power ratio. Schulstein's 3rd law of engineering dynamics states that this is absolutely impossible and that a collapse of a < 4 magnitude has to have a significantly greater accelerate force ratio behind its negative impact vectors.

So scientifically your theory that his is some "accident" is so full of crap its unbelievable and only a significant outside force, like explosives, could cause a bridge to fails as quickly as this one did.

[chachi]

Originally Posted by Spartamus Prime

This is such BS.

Any structural engineer worth his salt knows that the tensile strength of steel is equal to 4 rem parts per mm of suspended weight.

In a bridge truss the strength of the bearing load is 4x= to the azimuth of the diagonal flow (23y to the 3rd power). So that means in order for a bridge with two trusses to collapse in 4 seconds the vertical sheer would have to be greater than 5x times the horizontal bearing load. Since it has been proven that high tensile strength steel can only withstand a breaking weight of 9 times its maximum progression load, that means the force of strength to cause the bridge to collapse as fast as it did would be = to the square root of 4 times the 1/3 quantity of the power ratio. Schulstein's 3rd law of engineering dynamics states that this is absolutely impossible and that a collapse of a < 4 magnitude has to have a significantly greater accelerate force ratio behind its negative impact vectors.

So scientifically your theory that his is some "accident" is so full of crap its unbelievable and only a significant outside force, like explosives, could cause a bridge to fails as quickly as this one did.

nice.

So... your last paragraph would also apply to all three WTC towers.

[Statepug]

8 seconds = freefall, 10 seconds = not freefall

[chachi]

Originally Posted by Statepug

8 seconds = freefall, 10 seconds = not freefall

When did I reference FREEFALL?

you are trying to insert an argument and tie it to me when I never made it.

Nothing falls at free fall speed as there is air resistance and usually a horizontal wind vector.

8 seconds = freefall IN A VACUUM
10 seconds = Speed at which the building should fall IF all supports are being removed AHEAD of the collapse wave.

More pathetic "debate" tactics pug... Where is "freefall"?

[Statepug]

Originally Posted by chachi

When did I reference FREEFALL?

you are trying to insert an argument and tie it to me when I never made it.

Nothing falls at free fall speed as there is air resistance and usually a horizontal wind vector.

8 seconds = freefall IN A VACUUM
10 seconds = Speed at which the building should fall IF all supports are being removed AHEAD of the collapse wave.

More pathetic "debate" tactics pug... Where is "freefall"?

just looking for another of your ridiculous replies and once again you provide it, thanks

[Lomez]

Originally Posted by Spartamus Prime

This is such BS.

Any structural engineer worth his salt knows that the tensile strength of steel is equal to 4 rem parts per mm of suspended weight.

In a bridge truss the strength of the bearing load is 4x= to the azimuth of the diagonal flow (23y to the 3rd power). So that means in order for a bridge with two trusses to collapse in 4 seconds the vertical sheer would have to be greater than 5x times the horizontal bearing load. Since it has been proven that high tensile strength steel can only withstand a breaking weight of 9 times its maximum progression load, that means the force of strength to cause the bridge to collapse as fast as it did would be = to the square root of 4 times the 1/3 quantity of the power ratio. Schulstein's 3rd law of engineering dynamics states that this is absolutely impossible and that a collapse of a < 4 magnitude has to have a significantly greater accelerate force ratio behind its negative impact vectors.

So scientifically your theory that his is some "accident" is so full of crap its unbelievable and only a significant outside force, like explosives, could cause a bridge to fails as quickly as this one did.

poor Chachi. it's embarrasing.

[chachi]

Originally Posted by Lomez

poor Chachi. it's embarrasing.

Poor schtick creator has to create a schtick to support his own arguments.

[Statepug]

DETROIT — Road construction put Detroit Pistons coach Flip Saunders on the 10th Avenue bridge Wednesday in Minneapolis.
The detour perhaps saved his life.
“I usually take the 35W bridge, but the ramp was closed,” Saunders said Thursday from Minneapolis in a telephone interview with The Associated Press. “My daughter was driving in a car right behind me when the bridge collapsed — about 20 yards away from us.

It sounded like a bomb when it dropped.

“I got out of my car and the first thing I heard was the kids screaming on the bus. I called 911. I didn’t really know what else I could do.”

Saunders, a former Minnesota Timberwolves coach, was driving home after speaking at Tubby Smith’s basketball camp at the University of Minnesota, where Saunders starred as a player.

“A day later, I’m still in a surreal state of mind,” he said. “I can still see what happened. It’s kind of like having flashbacks.”

Divers checked submerged cars in the Mississippi River on Thursday for victims still trapped beneath the twisted steel and concrete slabs of a collapsed bridge.

The eight-lane Interstate 35W bridge, a major Minneapolis artery, was in the midst of repairs when the bridge buckled during the evening rush hour Wednesday.

Dozens of cars plummeted more than 60 feet into the river, some falling on top one of another. A school bus sat on the angled concrete.