Why a one-way Crush down is not possible

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It is quite simple! It does not matter what element or connection fails at impact due to a moving mass of any kind (part C) hitting a static structure (part A) to produce a jolt! Energy is absorbed and the only available energy is that of the moving mass part C. This mass thus transmits energy to something else (an element or a connection that breaks) and must slow down = jolt.

You did very well there. Bravo! We'll make a scientist of you yet!

The point you missed was whether the jolt(s) would be detectable by the apparatus available at the time, as claimed by Szamboti.
 
Some very relevant observations on the effect of the 'impulse' (jolt) by OneWhiteEye

'An impulse at one end of a deformable body does not translate to the same acceleration over the entire structure.'
'..the 'masses' interspersed with the 'springs' provide both material inertia and internal flexure, thus satisfying Newton's 3rd while yet assuring that the roofline will display the least effect of the resistance impulse delivered below.'

Mon Apr 20, 2009 6:50 pm
http://the911forum.freeforums.org/newton-s-3rd-law-and-the-collapse-of-wtc-1-t153.html#p2756

I'd nominate that, if only you'd written it yourself :)
 
It is quite simple! It does not matter what element or connection fails at impact due to a moving mass of any kind (part C) hitting a static structure (part A) to produce a jolt! Energy is absorbed and the only available energy is that of the moving mass part C. This mass thus transmits energy to something else (an element or a connection that breaks) and must slow down = jolt.

The energy applied by C is quite small (WTC 1)! A couple of 100's kWh. Say 300! To break elements and connections require plenty of energy, say 100 kWh. So part C must slow down accordingly.

So you're telling me that the floor truss connections were strong enough to slow the upper mass (Part C) enough that we should see a jolt?

Have you done the calculations to prove this?
 
Where is the Jolt?

(sorry, video encoding seems a little off)

Since you can't see one, it proves the other boats were sunk by silent nanothermite explosions.
Why didn't the Canadian government test for explosives? Why was the evidence removed?
This conspiracy knows no bounds!!!
 
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So you're telling me that the floor truss connections were strong enough to slow the upper mass (Part C) enough that we should see a jolt?

Have you done the calculations to prove this?

Of course! Haven't you read my paper? http://heiwaco.tripod.com/nist.htm and scroll down.

Actually it is not breaking 700 floor truss connections/floor that arrests upper part C. It is the elastic deformations of parts C and A and local failures of any kind, e.g. punching holes in floors and finally friction between damaged and intact parts ... in both parts C and A.
 
So you're telling me that the floor truss connections were strong enough to slow the upper mass (Part C) enough that we should see a jolt?

Have you done the calculations to prove this?

He's not only made the calculations, but they've been peer reviewed by Dr. Sunder of NIST. Heiwa said so, it must be true.

And Heiwa's got 1 million dollars waiting for you as well if you meet his challenge. The winner of the challenge must win a majority vote by the judging panel - that would be Heiwa, of course.;)
 
Wow. Will wonders never cease...

The rude, arrogant naval architect actually deigns to reply to a couple of points.

Well, you say that 13 floors (#98-110) abt 4 m apart in a 53 m high assembly of floors drop and hit one floor, #97.

But floor #110 is 53 m away from floor #97! The only floor that floor #110 can contact is floor#109, but for that to happen you have to remove all columns between floors #109-110.

blah, blah
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I never said anything of the sort. I laid out clearly & correctly how the forces from the weight of floors 99 thru 110 are transmitted to floor 98: THRU THE COLUMNS to which all those floors are tied.

Nice to calibrate your reading comprehension.

So, let's agree that it is an assembly of floors (#98-110), part C, that is alleged to contact floor #97 that happens to be part of another assembly of floors (#1-97), part A, i.e. part C contacts part A (as suggested by Bazant).
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WRONG. Is this an example of your high-falutin' "damage analysis"?

It is NOT "an assembly of floors" that contacts another "assembly of floors".

Individual pieces of the upper assembly contact individual pieces of the lower assembly.

Bazant suggests further that part C is rigid (uniform density, it will not deform, it is indestructible at this time) but it is nonsense. And therefore Bazant's model is nonsense.
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WRONG.
You have been told AT LEAST 20 times that "rigid body" does NOT mean "indestructible". And yet you obliviously yammer on.

Now, you suggest that an assembly of floors, upper part C, is capable to one-way crush down lower part A, floor by floor, i.e. 97 impacts take place.
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As I said before - and you have once again demonstrated - you couldn't pour piss out of a boot if I wrote the instructions for you on the heel.

And you certainly cannot accurately interpret anything that I have laid out in simple, concise terms that any freshman engineering student could understand.

So, please listen carefully. I INSIST that you not attempt to interpret for anyone else ANYTHING that I've said. Because you cannot get the simplest statement right.

With reference to me, you have my permission to say that there is another experienced mechanical engineer that thinks that you are wrong at just about every single assertion you've made. And if anyone would like to read for themselves what I believe, they should ask me directly.

Of course, if you'd like to be completely accurate, you should say that ALL competent engineers think that you are full of baloney. But I'm sure that you'll take comfort that bill smith thinks you're a genius...

My opinion is clear!
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Yes, your opinion is quite clear.

Your opinion is that:

"There is no difference between static & dynamic loading."
"Buildings are just ships without all that moisture around."
"ALL the structural engineers in the world are about to be eclipsed in their knowledge of collapse dynamics by some arrogant amateur who happens to be a naval architect."
"You have anything whatsoever to tell Zdenek Bazant about structural mechanics."

ALL of the above are laughable.

Your suggestion is impossible! Actually a ridiculous suggestion.
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Let the skipping record begin in 3 ... 2 ... 1 ...

Because at impact C on A, local failures will occur in both C and A. The weak elements or weak connections in both C and A adjacent to the impact interface fail first. Energy is absorbed as local failures. A jolt (decelaration - unit m/s²) of C should be observed. Then damaged elements will displace and contact other elements. Friction develops. More energy is now absorbed as friction. Etc, etc. And after a while of more local failures/friction the destruction is arrested. Happens every time you drop a part C of a structure A on the rest of A. It should take less than ONE second in the WTC 1 case.
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ahhhhhh, THERE it is.

SOMEBODY KICK THE JUKEBOX, PLEASE...!!

This is the reason Why a one-way Crush down is not possible = topic = post #1.
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Because you say this again, and again, and again?? With ZERO engineering analysis to support your nonsense.

Why don't you threaten to hold your breath until you turn blue. Perhaps that will get someone to notice you.

Anyone suggesting that part C structure can one-way crush down part A structure is complicit to mass murder! Let's expand the thread to include that suggestion.
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SURE THING, Anders.

Let's expand the conversation to this pathetic accusation.

Your idiocy has now come full circle and constitutes a complete whole of stoopid.

You are incompetent. You can not understand the simplest of engineering arguments. You refuse to discuss the ones that you KNOW you have misstated.

Real engineers, real scientists, and real non-techies who can simply read (& watch you run from real discussions) KNOW that you are simply, utterly, laughably wrong.

And now, you offer this little pile - that anyone who disagrees with your blatantly wrong crappola is "complicit to mass murder".

Anders, what you have offered here is PRECISELY the same nonsense as "anyone who suggests the earth moves is a heretic." Or "Anyone who suggests that man descended from other animals offends God."

Wrong, Anders.

Anyone who says that a one-way crush down is possible simply has the good sense to listen to the WORLD's foremost experts on the matter.

And to ignore one looney-toons naval claims adjuster who won't even bother to attempt to defend - honestly - his own nonsense.

Sounds to me like the are guilty of "complicity to use their brains, common sense & good judgment".


Tom
 
So, wait a minute, if you demonstrate a one way crush down, and it in fact works, it has to be voted upon if it happened or not??? Somehow this boggles my mind!!

So, If I were to demonstrate that fire weakens steel, some panel of judges has to tell me if its true or not???????
 
Where is the Jolt?

(sorry, video encoding seems a little off)

Since you can't see one, it proves the other boats were sunk by silent nanothermite explosions.
Why didn't the Canadian government test for explosives? Why was the evidence removed?
This conspiracy knows no bounds!!!

And why didn't they dust for Leprechaun footprints? Those little guys have their grubby little hands into everything!
 
ok through the 100s of pages of part a and c i have 1 question
wheres part b? lol

no but seriously

heiwa says basically
that when the top of WTC1 leans and breaks its outer columns
the upper columns contact the floor on F97?
and that floor should arrest the collapse

hmm
maybe you forgot about a simple thing called PSI

the floor was designed to hold up desks people machinery cabinets etc etc
but that was spread out over the entire surface of the floor
when you have the entire weight of the upper part come down on just a few square feet the floor will NEVER stop it

this same idea is why i yell at people for lifting their cars with forklifts
the forks are designed by weight class
a 5000 capacity pair of forks can lift 5000 lbs
but thats spreading the weight over the entire face of the fork
picking up 5000 lbs on a few square inches can bend or shatter the fork and cause 1 hell of an accident

this is so simple its stupid
yet you clearly dont comprehend it

ive also had forklifts go through floors in retail space (some settle when the frame hits the floor, guess why H man, some get a free trip to the basement)
cause they were too heavy for that design
but the floor holds up the racks and all the merchandise just fine
cause that weight is spread out and the machines weight is compact

(your average 5000 cap FL fully loaded weighs in at about 15000 lbs)

in HS a student attacked his father in the lobby with a ball point pen to the neck (ouch)
my physics teacher a few months later while talking about PSI took a troublesome student to the front of the class and held a wooden dowel to his neck and said "this wont go through, itll hurt, but theres too much area"
then he said "on the other hand" he then just held up a ball point pen and gave us groucho marx eyebrows
lol
 
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And who are these experts?
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Well, one of the world's premier experts is Zdenek Bazant.

You would do well to attempt to emulate this paper:
"Stability of Elastic, Anelastic, and Disintegrating Structures, and Finite
Strain Ejects: an Overview"
http://www.civil.northwestern.edu/people/bazant/PDFs/Papers/S49.pdf

Next would be Leslie Robertson, who has stated clearly that, once the collapse began, collapse to the street was inevitable.

Next would be about 100 structural engineers who produced NIST report.

According to you, there is no such thing as progressive collapse in a building due just to gravity. For you, the beginning & end of "Engineering Principles of Progressive Collapse" is "keep explosives away from buildings".

So, you should consider the approximately 10,000 authors of the following 4500 papers, books regarding "progressive collapse" to believe that there is just a tad more to it than you believe.

http://scholar.google.com/scholar?q="progressive+collapse"&hl=en&lr=&btnG=Search

Just a sampling.

Others here have also posted the names of hundreds of experts.

You were saying, as to why we should believe you...??

Tom
 
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Well, one of the world's premier experts is Zdenek Bazant.

You would do well to attempt to emulate this paper:
"Stability of Elastic, Anelastic, and Disintegrating Structures, and Finite
Strain Ejects: an Overview"
http://www.civil.northwestern.edu/people/bazant/PDFs/Papers/S49.pdf

Next would be Leslie Robertson, who has stated clearly that, once the collapse began, collapse to the street was inevitable.

Next would be about 100 structural engineers who produced NIST report.

According to you, there is no such thing as progressive collapse in a building due just to gravity. For you, the beginning & end of "Engineering Principles of Progressive Collapse" is "keep explosives away from buildings".

So, you should consider the approximately 10,000 authors of the following 4500 papers, books regarding "progressive collapse" to believe that there is just a tad more to it than you believe.

http://scholar.google.com/scholar?q="progressive+collapse"&hl=en&lr=&btnG=Search

Just a sampling.

Others here have also posted the names of hundreds of experts.

You were saying, as to why we should believe you...??

Tom

When all his spills out onto main street T as it certainly will in due course, a lot of people are going to have to come up with a lot of tortured excuses. It's a fascinating situation in a lot of ways. Pschologists and behavioural experts will have years of work to unravel the psychology involved.
 
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All of such truther quibbling and desperate speculation is moot when one considers the basic parameters of the WTC tower collapses, as agreed upon by most of the qualified engineers who investigated them - that once the upper blocks began to move, the kinetic energy was easily sufficient to continue the collapse of each tower.

There is no real dispute about this basic idea amongst those who really know what they're talking about. Tony's theories are distractions which attempt to obscure this basic reality, in order to build an artificial case for some other, US government-directed mass murder plot, which truthers are convinced happened.

The truther line of inquiry is not designed to lead to any scientific, empirical truth, but is an attempt to pin the entire blame of the 9/11 disaster squarely on your own government, with absolutely no concern for the damage such scapegoating can do.

It is, first and foremost a malicious and political agenda, not a scientific one. The truther doctrine is very clear: the government did it. Inside Job. The battle lines have been drawn by these people, and anyone who dares to stand in the way of official 9/11 'truth' is merely aiding the vast conspiracy, or is intimidated by it somehow.

There is no room for 'what if we're incorrect?' or such nuance of thought. Instead, the bludgeon of 9/11 'truth' informs all intellectual pursuits, including the work of lesser engineering hopefuls such as Mr. Szamboti. A great example of how powerful the truther doctrine is comes from Mr. Szamboti's insistence on controlled demolition involving thermite/thermate or nanothermite (take your pick), a mythical blend of substances which can act in any way truthers see fit - like a magic powder. Nevermind that it's never been demonstrated to perform the tasks they claim it did - its magic qualities overcome such objections.

Mr. Szamboti did not of course originate any of these ideas, but he believes in them to the point where he will not question whether they're actually true or not. At this point it doesn't matter - the doctrine overrides better judgment.

It's a terrible shame that such people are not just worshiping traditional gods but are instead on a revisionist witch hunt to excuse the real terrorists of 9/11 and pin the blame on a scapegoat. It's a return to the dark ages of thought, courtesy of the minions of 9/11 'truth'.

In 2009 already.

Very nicely put!
 
Pschologists and behavioural experts will have years of work to unravel the psychology involved.
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Why do you do this, bill?

I am truly at a loss as to which metaphor to employ.

"... big, fat, slow pitch down the middle of the plate ..."

"... sticking your chin out to Mike Tyson & daring him to take a swing ..."

"... tug on Superman's cape. Pull the mask off that ole Lone Ranger. Mess around with Jim ..."


When all his spills out onto main street T as it certainly will in due course, a lot of people are going to have to come up with a lot of tortured excuses.

It already has spilled out onto Main street. It did so in 2001. Perhaps you've failed to attend a Memorial day ceremony. Or July 4th ceremony. Or a "welcome home, soldiers" ceremony since 2001. I can assure you that there is STILL a huge residual effect on "Main Street USA".

Those murderers took two of our skyscrapers, damaged a 3rd building and killed 3000 innocent countrymen (& some guests). Immediately thereafter, we booted them, and the government that sheltered them, out of Afghanistan. And are presently in the process of giving back that country to a more responsible Afghani government.

Not a perfect solution. But the best option after the fact.

Do you think that other nations that have bands of terrorists inside their borders have NOT noticed that recent history?

Do you think that the leaders of those governments are so dumb as to think that the US will respond LESS aggressively the NEXT time some crazed bunch get an inclination to attack the US like that?

I seriously doubt it, bill.

So, in that context I would argue that it has spilled out far, far beyond Main Street USA. All the way to Main Street Pakistan, Main Street N. Korea, Main Street Iran, Main Street Libya, Main Street Chechnya, etc, etc, etc.

Tom
 
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The first paragraph, I have already found a mistake.

Calling the NIST report on the WTC collapses "vague" is the biggest lie I have ever heard.

10,000 +/- pages of document does not egual vague. Vague would be telling someone "A building fell. Lots of deaths. Big pile of rubble." THAT would be vague.

ETA: And you took what, 27 pages to prove that 10,000 pages were wrong?? Something tells me you have missed some things in your mission.
 
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except tri that is exactly what twoofs need to hear.

2 jets moving fast hit building. BOOM!! Building on FIRE. Fire burn. Steel WEaken. Buildings fall down go BOOM!! Both buildings destroy 10 other buildings with massive damage. ONe building is hit. FIRES burn for 8 hours. NO WATER. Building fall down go BOOM.

We are very sad.
 
Isn't it sad though?? You cannot put anything technical out there for them, because they will claim to understand it, and butcher it to pieces, or not understand it and refuse to learn. Perfect example-Christopher7
 
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