Bridge Inspection and Testing

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With the multiple treatments available to alleviate stress and corrosion fatigue, would it not be more economical and time efficient to treat these structures, rather than tear them down and build new ones? I would imagine that a restorative process such as ultrasonic impact technology, with its ability to restore fatigued metal, would be an ideal solution. If you're unfamiliar with this method, there's a video at http://www.appliedultrasonics.com/ explaining its application. I know UIT has been proven effective in bridgework in the past, as well as in military and aerospace applications, so I'm just curious if it was considered when weighing out options in the case of the I-35W bridge?

Pablo Senaj of CA 1:51PM March 28, 2011

It was rather interesting for me to read that blog. Thanx for it. I like such topics and anything that is connected to this matter. I definitely want to read more soon. By the way, pretty good design your blog has, but how about changing it every few months?

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Ojlaoorw of WY 12:29AM July 14, 2009

Subject: BRIDGES

I just read the Michael Barone August 6, 2007 story--Bridge Inspection and Testing-- and my emotions immediately went from Calm to Total Outrage. My outrage is directly toward the U.S. Congress and the Federal D.O.T. who are both still sitting on their collective butts while saying we have a serious problem concerning our nations bridges and then going to lunch without adopting , or at least setting some realistic goals to correct our nation's bridge situation. Many more bridges are going to collapse, killing additional people, before someone finally stands up and takes accountability for fixing the nations bridges.

The collective un-actions of the U.S. Congress, the Federal D.O.T. each STATE D.O.T. and all of the other elected and appointed officials who are suppose to oversee America's Highways and By-Ways are nothing short of criminal and no one can get anyone off center to correct "our" nations bridge problem.

In support of the above paragraph, the article says-"a bridge inspector has to search for signs" indicating there is a problem with that particular structure. Unfortunately this is true because the federal and/or state politicians and other bureaucrats will not take on the nations bridge problem. Why, because they are either to inexperienced, it's an election year or there is simply nothing for them to gain($$$$) from doing so.)

In addition, when an inspection team or an inspector finds a small troubling sign or a construction fault indicator it is entered into the existing Federal PONTIS(sic) Bridge Tracking System . At this point the discovered sign or fault indicator has just become another data entry and is not seen again until someone entries a specific request for that particular bridge or the "PONTIS" (sic) system outputs a required action generated by its internal management system. However, the bridge in reality may be collapsing while the report is being compiled for someone or some group to look at and decide what action is to be taken--if any.

In the meantime here sits my company with the system to modernize the way our nations bridges are monitored and repaired. This system does not use black-magic to look into the future--but it is a new bridge monitoring system concept. This new concept can be readily applied to all of today's very large number of failing bridges. It can/will/would also monitor and report on the condition of newer bridges for signs of trouble.

This new concept is called HARMONIC FOOTPRINTING. It will not stop a bridge from collapsing, but it will INSTANTLY alert the appointed human monitor of a new and/or developing problem.

The trouble alert will be in real-time providing the human monitor with location of the structural problem and on which bridge. At this point the human monitor can take a pre-thoughtout action ,or series of actions, to close the bridge, send an inspection and repair team out and/or etc.

In other words, the HARMONIC FOOTPRINTING MONITORING SYSTEM can bring the NATIONS BRIDGE INSPECTION SYSTEM into the 21( twenty-first ) century for monitoring bridges on a real-time basis. Yes, a real-time monitoring system to alert the human monitor that something unusual is occurring-- now--at what structural point--and on what bridge.

Forget Federal D.O.T.'s PONTIS(sic) system and inspection teams or inspector looking and searching a bridge for failure or fault sign indicators and deciding on what action to take after the signs are found.

Instead think: --a real-time problem alert--to a human --giving the structural location --on which bridge-- 7/24/365(366).

Please see www.harmonicfootprinting.com for more complete information.

Thank you for your time.............smokey tel. 727 531 7495 or fax 727 532 9577.

__________________________________________________

smokey ellis of FL 7:18PM April 16, 2008

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Michael Barone

Michael Barone

U.S. News Weekly

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Michael Barone is a senior writer for U.S.News & World Report and principal coauthor of The Almanac of American Politics. He has written for many publications—including the Economist and the New York Times.

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