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The Illinois Department of Transportation is urging drivers to avoid downtown expressways for the next 24 hours after a section of the Kennedy has buckled.
Pavement FAIL
suntimes.com - 6 weeks ago - 315 views
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Organizations: Congress | Illinois Department of Transportation
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Excellent share, eagleey58! Wasn't the Kennedy Expressway repaved during the mid-1990's as a parting gift from former Congressional Speaker Daniel Rostenkowski?
WLS is reporting that the crews were filling an underground pipe or some such structure with concrete or grout. I would imagine the structure had a hole or a failure they didn't know about, and while filling it, the grout escaped. These sorts of injection grouting processes rely on a pressure meter to know when to shut off the flow. Essentially, they kept pumping until it popped. As Roe Conn just put it, it's too much filling in a Twinkie!
Points for explanation that makes sense.
http://lmgtfy.com/?q=injection+grouting
This is a great picture too. I count TEN people in that picture, and TWO of them are actually doing something. One is the flagman, and the other is operating the sawcutting machine.
ha!
Fellow equstrian, Robert Oury (Rotec) lead his industry in developing commercial applications for concrete readi-mix technology.
Might we invite Mr. Oury or another Heavy & Highway industry expert to weigh in on this topic, PaulKroenke?
From the front page of the Tribune: http://chicagotribune.com
Couldn't they just put up a sign saying "mogul ahead"?
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