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THE Transportation Infrastructure Thread (merged)

A forum for discussion of regional topics including oil depletion but also government, society, and the future.

Re: Infrastructure Failure Thread [MN Bridge Collapse]

Unread postby RonMN » Thu 02 Aug 2007, 15:26:03

They're speculating now that dozens may be dead...perhaps up to 30...many cars in the river have yet to be found. A person at work just told me she had gone over it 5 minutes before it collapsed.
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Re: Was the 35W bridge thread banned?

Unread postby emersonbiggins » Thu 02 Aug 2007, 15:39:07

All bridge threads have been merged into this thread.
:)
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Re: Infrastructure Failure Thread [MN Bridge Collapse]

Unread postby jedinvest » Thu 02 Aug 2007, 15:53:08

Problems with Minnesota bridge noted twice since 2001Story Highlights

Yep, obsolete infrastructure. It looks like minimal cost engineering followed by mostly neglect. Also, factor in tax cuts to the wealthy during America's finance-led boom times.
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Re: Infrastructure Failure Thread [MN Bridge Collapse]

Unread postby vision-master » Thu 02 Aug 2007, 16:02:05

The Cops are not allowing anyone to get close enought to view anything. Total BS. The area is blocked off MILES around. Cops everywhere. Feds, State, County, City, Campus & wannabes. Welcome to the Police State. All the masses will get is the media spin on the TV. Now get back to work & keep shopping At Wally World.
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Re: Infrastructure Failure Thread [MN Bridge Collapse]

Unread postby BigTex » Thu 02 Aug 2007, 16:26:39

Has anyone seen the video of the collapse. It's on Fox News (other places too, I'm sure).

It's incredible. It just dropped all at once. It was like watching a video of a controlled demolition.
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Re: Infrastructure Failure Thread [MN Bridge Collapse]

Unread postby emailking » Thu 02 Aug 2007, 16:33:53

And with that, let the conspiracy theories begin!
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Re: Infrastructure Failure Thread [MN Bridge Collapse]

Unread postby BigTex » Thu 02 Aug 2007, 16:57:08

$this->bbcode_second_pass_quote('emailking', 'A')nd with that, let the conspiracy theories begin!


Sorry, I didn't mean it like that. I just mean it was amazing how suddenly the whole thing seemed to fall.
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Re: Infrastructure Failure Thread [MN Bridge Collapse]

Unread postby emailking » Thu 02 Aug 2007, 17:57:45

I know. But you know it's coming. It was a great segue. :)
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Re: Was the 35W bridge thread banned?

Unread postby vision-master » Thu 02 Aug 2007, 18:14:51

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Re: Infrastructure Failure Thread [MN Bridge Collapse]

Unread postby vision-master » Thu 02 Aug 2007, 18:17:13

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Re: Infrastructure Failure Thread [MN Bridge Collapse]

Unread postby Ferretlover » Thu 02 Aug 2007, 18:45:33

Infrastructure Failure resources:
Police Emergency and Crisis Management Procedures
Emergency / Important Phone Numbers , Bomb Threats , Suspicious Letters & Packages , Civil Disturbances / Protests , Fire Emergencies , Evacuation Procedures – General Evacuation Procedures , Evacuation Procedures – Disabled Persons , Hazardous Materials (HAZMAT) , Homeland Security , Infrastructure Failures , Medical Emergencies , Sheltering In Place , Weather Emergencies , Workplace Violence / Criminal Behavior

Link http://www.morgan.edu/emergency/pdf/Eme ... edness.pdf

Using Regional Economic Models to Estimate the Costs of Infrastructure Failures
Link: http://pwm.sagepub.com/cgi/content/abstract/10/3/256

AWWA Products [American Water Works Association] Estimating Health Risks From Infrastructure Failures The World Health Organization defines health as "...a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity." Thus, public health consequences from water infrastructure failures--such as fear or panic, loss of business or income, loss of fire protection, loss of water for sanitation--must be considered along with the spread of waterborne disease. In this research, representatives of water utilities met with those from a variety of agencies--public health, environmental, medical, engineering, regulatory, and first response--to mutually explore the detection, prevention, and correction of adverse health outcomes caused by water infrastructure failures. The resulting report provides checklists, matrices, techniques, and recommendations for building a collaborative network of agencies, identifying infrastructure vulnerabilities, failure prevention, and health risk assessment. [This is an expensive book]
Link: http://www.awwa.org/bookstore/product.cfm?id=91125

Risk World Abstract of Meeting Paper Society for Risk Analysis 2002 Annual Meeting Social and Technological Risk Tradeoffs Associated With Infrastructure Failures in Extreme Events. R. Zimmerman, New York University/ICIS--Transportation, energy, communication, and environmental protection infrastructure failures during extreme events seem to be occurring with more severe consequences. These failures often directly threaten the health, safety and well-being of people who rely upon such services and also indirectly affect people when the movement of vital supplies during and immediately after such emergencies is disrupted.

Link: http://www.riskworld.com/Abstract/2002/ ... 2aa338.htm
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Re: Infrastructure Failure Thread [MN Bridge Collapse]

Unread postby Twilight » Thu 02 Aug 2007, 18:54:53

$this->bbcode_second_pass_quote('CNN', '"')This particular section of freeway was under repair," Minneapolis fire Chief Jim Clack said. "We don't know yet what caused the collapse."

The bridge was undergoing nonstructural re-decking work, U.S. Transportation Department spokesman Brian Turmail said.


$this->bbcode_second_pass_quote('CNN', 'T')he deck is made of concrete and rebar, the superstructure is made of steel and the substructure is made of steel and concrete footing, according to Mark Rosenker, chairman of the National Transportation Safety Board, which is investigating the collapse that killed at least four people and injured dozens Wednesday.


How thick, and how much rebar?

An extra inch or two can make a difference, guys. [smilie=icon_cool.gif]

Not to mention doubling or tripling the steel content just by using slightly thicker bars spaced more closely.

This is just my line of speculation, but the metal fatigue testing may not be the big deal if the people doing the resurfacing work thought they were doing everyone a favour by working to a tougher building code instead of repeating the original work, and failed to do a weight comparison. Or just plain failed to keep track of the extra 5% they could have added to the mass of the whole thing. If the old drawings are lost, check what you're removing.

If that is the case, someone is going [smilie=icon_pale.gif] right now, because increase the mass of the deck by thousands of tonnes of steel and concrete, and it becomes structural. Normally you would only worry about variable wind and traffic, not contractors coming along decades later and making it more thick and/or dense. 8O

Just my random thought, mistakes like that do happen, are normally caught before construction though.
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Re: Infrastructure Failure Thread (a post-peak nightmare)

Unread postby Iaato » Thu 02 Aug 2007, 19:23:02

$this->bbcode_second_pass_quote('IanC', 'S')o, what will it be: spend money to maintain largely automobile-based infrastructure (roads, bridges, viaducts, etc) or reallocate that money to more appropriate technology for a Post Peak future?

I hear (figuratively) a lot of posters on this site bemoaning the fact that we are not preparing for the future by retrofiting our car-based infrastructure ie. not building better infrastructure for bikes, trains, walkable communities. I'm one of those posters. However, we clearly have a choice to make regarding the vast amount of dollars it will take to maintain our current infrastructure. Should we maintain or highways or not? What makes sense for the future?


Mature complex systems require more of the energy inputs to be devoted to maintenance rather than growth. As usual, the answer to your question depends on how slow our detumescence is. Fast collapse or slow? My thinking is to cut all road-building now, spend some money on major artery maintenance, and let the rest go.

It's sad, to be sure. Another wounded city, with each rehabilitation requiring more and more resources from a diminishing pot. And less ability each time to muster adequate resources. Someone on dKos made the connection between watery deaths and the neocon quote about shrinking government until you could drown it in a bathtub. Well, we're working on it in more ways than one.
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Re: Infrastructure Failure Thread [MN Bridge Collapse]

Unread postby JohnLudi » Thu 02 Aug 2007, 20:35:15

I used to live less than a mile from that bridge! Drove it almost everyday for a while.

I am now officially spooked...
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Re: Infrastructure Failure Thread [MN Bridge Collapse]

Unread postby emailking » Thu 02 Aug 2007, 20:45:17

If you drive a car and cross bridges, then you have a far, far better chance of dying in a car accident than ever being involved at all in a bridge collapse.
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Re: Infrastructure Failure Thread [MN Bridge Collapse]

Unread postby Heineken » Thu 02 Aug 2007, 22:36:44

Well, that's obviously true, emailking. But just think how disruptive a bridge collapse is to the flow of the local civilization. The damage and cost radiate far beyond the immediate loss of life.
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Re: Infrastructure Failure Thread [MN Bridge Collapse]

Unread postby frankthetank » Thu 02 Aug 2007, 23:16:30

I know from here on out, if i'm going across a bridge, i'm gunning it before i hit the deck...I'll get across by momentum alone (THINK DUKES OF HAZARD)...:)

Image

You got to wonder if these things were built in the late 60's, were they ever suppose to have a 100K+ autos going across them daily? We have the same type of bridge here crossing the Mississippi that was built around the same time.
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Re: Infrastructure Failure Thread [MN Bridge Collapse]

Unread postby Ferretlover » Thu 02 Aug 2007, 23:28:18

State by State Deficient Bridges Interactive Map

link: http://www.msnbc.msn.com/id/20093413/
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Re: Bridge Collapses in MSP/infrastructure falling apart?

Unread postby Keith_McClary » Fri 03 Aug 2007, 00:24:59

$this->bbcode_second_pass_quote('MonteQuest', '')$this->bbcode_second_pass_quote('seldom_seen', 'I') think we need a thread devoted to infrastructure failure. It's getting hard to keep track of.


We have one.

Report Card for America's Infrastructure


Hey, some of us furriners also have crumbling infrastructure. For example the Italians built a bunch of fancy expressways, bridges and overpasses in the '60s and '70s.

Fortunately they can always go back to using the Roman roads.
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Re: Infrastructure Failure Thread [MN Bridge Collapse]

Unread postby frankthetank » Fri 03 Aug 2007, 00:35:33

Governor of MN was on "Nightline" saying that the cost to replace this plus a couple other "things" would run between $150-300 million. I wonder if we can subtract that from Iraq/or the money we just gave to Israel ($30 billion)? :)

Another thought came to my mind. LAWSUITS. There should be a bundle of them.
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