Blancolirio (Juan Browne) analyzes the bridge failure in Florida.
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Thanks again for catching and posting Juan Browne’s take on this. He is such a natural teacher, obviously working from a broad base of knowledge about construction techniques and characteristics of different materials.
The first, and major, thing he points out is that this is NOT a suspension bridge – the upper level of materials (cables, etc.) is just decorative.
All of that – and he flies 777’s and loves his family. Such a deal.
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He always explains well. Now I really think they will have huge lawsuits. Whoever greenlighted the whole project killed all those people.
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When I heard the phrase, “innovative and unique” I knew there would be flawed designs based on the unproven theories, questionable materials, and more than likely poor workmanship. Now I find out this was one of Obama’s outreach (read bribe) programs to minorities, and that chinched it.
We have become the third world where merit, quality, integrity count for nothing against identity politics.
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“We have become the third world where merit, quality, integrity count for nothing against identity politics.” Sad, but true in many instances. My dad was a brilliant civil & mechanical engineer – the stories I could tell – and he retired about 25 years ago!
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950 tons of concrete got dropped on people’s heads because no one could be bothered to close the road while they did they test. That is criminal negligence. That cannot be anything less than criminal negligence.
It disturbs me that based on what Blancolorio says, a redundant support could have been built into the bridge that might have mitigated this accident.
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Did Juan mention the voice mail which was left at the state offices by an engineer re visible structural cracks? If so, I missed it.
It puzzles me as to why the builders would perform a stress test or even tighten the internal cables if there were visible cracks. Did the engineer not mention his observations to anyone on the ground? Are the media reports even correct that there was a message left for someone in authority?
In all actuality a regular bridge of less artistic merit would have sufficed to help shave time off the highway crossing. But it seems the city fathers were looking to build a noted city landmark. IMO, it was a waste of money long before it was a tragedy.
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Watch the video and find out.
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Hahahaha! I did watch it when it first popped up in my notifications. I just couldn’t remember. Thanks!
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Well, they got their ‘noted city landmark’ wish.
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Bypassing Stella here, but the answer is NO. Doesn’t mention the crack nor the loud snap like that of a bullwhip I have also heard report of. Not in the video I posted below either.
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derk,
Haven’t heard from you for quite a long time. Are you safe from the Carr fire? My niece is, but says that there is another fire in the 4-corners (Burney) area.
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Morning Stella,
Yep, doing well, safe from the fire. Was actually fairly close to it and could see it as it crossed the northwest corner of Redding.
Things have changed, suddenly up and quit my job and moved down to the Placerville area. Many reasons why, the last being the fire, where I decided I was done in Redding. Starting my own business down here, have family and friends close by, as is my favorite (affordable) golf course here in Camino, Apple Mountain GC.
Have taken a break again as you have noticed, went back to listening and watching, and seldom logged in. Just recently noticed your reply, surprised and pleased to do so.
Thank you for the note, love and respect this Stellar site you provide and all of the people who pass through daily.
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Dear derk,
I’m happy to hear from you, and I hope you will begin to add to the discussion once again soon.
Good luck with your new endeavor!
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Expect more of this as Professional Standards are relaxed.
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Relax Federal professional standards any more and they’ll become liquid. P
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Relaxed standards, corruption & favoritism, and the “everyone gets a prize and learns nothing” generation moving into the workforce. It’s getting so you can’t even go out and buy the simplest of things without something going wrong!
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Just thinking about that this AM when my Black & Decker waffle iron (also serves as a power drill and pneumatic hammer with optional attachments) wenty dead after just about two years of infrequent use.
Being of a certain age the thought flashed thry my mind: “get it fixed’ but then I returned to contemporary reality – we don’t ‘fix’ stuff no mo, we jes throw it away and buy new. Of course I could have bought the extended warranty for half again of what I paid for the waffle iron but – again thsat brain of a certain age – I can remember when the name Black & Decker meant someting WASN’T going to break.
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Yes!, and if you did pay the exorbitant amout of money for the warranty, think of all the headaches & time you’d have to go through to get it fixed or replaced!
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How they keep you feeling like you’re actually active in modern culture.
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Having lived in a city that is infamous for public works disasters from failed levees to sewerage and water supply systems teetering on the edge of failure…it all falls back on the pols we elected to provide safe and functional systems. If they’re going to take the credit they should take the blame.
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Another video that came up after watching the above one. In this one he explains about post tensioning rods, and also points out the different locations of the giant mobile jacks that set the pre-fabbed deck in place, which may have caused unplanned stress prior to tensioning.
Makes sense as to the why bridge failed due to the tightening of the rod through the leveling off of tension that occurs just prior to rod snapping.
WARNING: Does have some F bombs laced throughout!
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Here’s Juan’s update:
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I posted it a few minutes ago.
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Actually 25 minutes ago.
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