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10-30-2015, 04:42 PM | #46 | |
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Using one rod, the weight of the floor below is carried in the body of the rod, and the nut only has to hold up the weight of one floor. It's similar to the principle whereby using a series of pulleys distributes a load on the end so you can move much more by pulling on the other end of the rope than if you were just trying to lift the object alone.
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10-30-2015, 04:43 PM | #47 | |
Time For Your Wake Up Call !!!
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I have been missing home now for 33 years and counting!
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10-30-2015, 04:51 PM | #48 | |
Fight, build, win!
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I was a young instrument operator and our survey crew was selected by the National Bureau of Standards to precisely survey and measure the collapsed skywalks so they could determine the present state and degree of bends of the anchors, failure points and degree of bends the box beams. Every piece of debris was measured so it could be reconstructed off site and recreate the collapse. One thing I have seen over the years working with construction contractors and Iron workers is they know what works and what doesn't. I have no doubt in my mind these guys knew this wouldn't fly and most likely let the there feeling be known. But as always what would they know over book smart engineers. Fell on deaf ears no doubt. |
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10-30-2015, 04:56 PM | #49 |
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If my memory serves me I believe both the Architect and the Engineer signed and sealed that change order thus sealing there fate.
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10-30-2015, 05:09 PM | #50 |
You Sweetie!
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VARSITY
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10-30-2015, 05:09 PM | #51 |
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I don't think the engineer/contractor divide is as bright a line in the blame game as you think.
The design team turned plans over to a replacement team. The contractors complained that threading support nuts onto one long rod would be more labor and potential damage intensive than threading nuts on shorter runs on more rods. The new design team didn't realize that the turned over plans were preliminary and didn't do due diligence on the stress calculations. Therefore they underestimated the additional stress imposed by the proposed design change and signed off on it. In short, if the same engineers had remained on the project and had they insisted on their initial design, it would have held by the good fortune that their design was robust enough. But the design and implementation teams changed, they didn't understand the underlying physics of the design, and therefore didn't register the load dynamics of their proposed change. And don't forget, the design change was demanded by the contractor on cost/benefit basis. Here is a picture of the beam at the spot where the nut winnowed through the eyelet, leading to collapse.
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We need the kind of courage that can withstand the subtle corruption of the cynics - E.W. Last edited by Baby Lee; 10-30-2015 at 06:02 PM.. |
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10-30-2015, 05:57 PM | #52 |
I'm your huckleberry
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I was just in KC too. Tried Joe's one night and Jack stack the next. Both were good but Joe's was better.
Joe's burnt ends were awesome. They make a damn good onion ring too. Damn I wish I wasn't 1100 miles from Joe's |
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10-30-2015, 06:04 PM | #53 | |
Tip of the hat LIV Champs
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I really liked Gates burnt ends I'm going have to try Joe's burnt ends next time I'm in KC. Hoping to score some tickets before end of season I don't even care what the record is I just want to go back. |
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06-16-2019, 11:13 AM | #54 |
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My wife, daughter, and I want to go back to KC this fall for the Chiefs/Packers Sunday night game October 27th. If anyone you know is selling three tickets we would buy them...or we will just go to Ticketmaster or stub hub. Looking forward to our return...hopefully meet some planeteers this time!!!
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06-16-2019, 11:37 AM | #55 | |
Seeking the Truth daily
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06-16-2019, 11:56 AM | #56 |
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I’ll bring some smoked salmon!
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