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Tony Szamboti Publishes a Technical Paper about 9/11 Truth

Without the help of explosives of some kind.

from your source:

"Cross-Bracing

Construction photographs show that the core columns were connected to each other at each floor by large square girders and I-beams about two feet deep. The debris photograph below shows what appears to be one of the smaller core columns surrounded by perpendicular I-beams approximately three feet deep. In addition, the tops of core structures were further connected by the sloping beams of the hat truss structures."

Bold red is incorrect.
 
@Clayton Moore.
Clayton I posted a comprehensive explanation for your assistance and because I enjoyed writing it. You can either take advantage of it or continue evasive games. I will challenge your response briefly:
You repeat this question
What sheared or caused the perpendicular steel columns to fail?
Where the word "perpendicular" is undefined and you do not say which columns you refer to. However you reference my comment about Perimeter Columns where I said
The perimeter columns were left standing with bracing removed. They would fall over for one of several reasons -- impacts from the descending ROOSD process, instability or vibration following ROOSD descent OR simply Euler buckling due to unsupported column of hight/slenderness far in excess of critical length. The key causal issue is "Removal of Bracing" - the rest follows automatically
So I am referring to perimeter columns therefore you are also.

You say:
Sorry. You're wrong right there.
So please say which fact I asserted do you allege is wrong. Here are the separate facts I called on:
a) The perimeter columns were left standing
b) with bracing removed.
c) They would fall over
d) for one of several reasons
e)-- impacts from the descending ROOSD process,
f) instability or vibration following ROOSD descent OR
g) simply Euler buckling due to unsupported column of hight/slenderness far in excess of critical length.
h) The key causal issue is "Removal of Bracing"
i) the rest follows automatically.

So which of those nine separate assertions of fact do you claim is wrong and explain why you assert that it is wrong.

Then, if you want to switch from addressing my claim to making one of your own, feel free to make your own claim. My post gives you an example of the level of precision and detail that is required. It is not a trivial task - are you up to it - I've shown that I can do it - can you? And I will not engage in trading "JAQing off" over trivia.

As for the remainder of your post here are some brief comments:
What are you attempting to support by this reference? I cannot respond if you don't make explicit what you are trying to say.
There is nothing happening to remove the bracing configuration of the steel core support structure.
already explained in my post. My emphasis was that the falling core part of Top Block takes out the horizontal beams because the question you asked was about horizontal beams. I responded to your question. But the same principles apply to cross bracing. The argument is simple. The main strength against vertical loads was in the columns. The columns were bypassed. Everything else other than columns was too weak to withstand the falling weight for the reasons already given in the previous post. What part of that chain of reasoning do you disagree with? Why?
Plus if the core columns, "from above" as you put it, failed they would fail/fall erratically with little impact on the remaining 80+ floors of steel core support structure.
Read what I said. It is nothing to do with erratic. And each floor level would be stripped out as the debris + Top Block worked its way down. Respond to what I said - stop trying to change to a different scenario UNLESS you post your own complete explanation. It will need to be better than mine. ;)

[qimg]http://911research.wtc7.net/wtc/arch/docs/mage6.jpg[/qimg]
What is the relevance of the image? What are you trying to say by posting it?
Again as you can plainly see the roosd conduits for the FOUR cement floors can have little or no effect on the steel core support structure.
And??? Where did I say otherwise? In fact where did I even get to discussing it?
In addition, assigning the FOUR floor segments as North, East, South, and West, for each of the 110 floors, you must also concede that floor 77 East cannot possibly collapse in sync with 77 WEST.
I don't have to concede anything. Especially since the comment is irrelevant. Why do you make it? What part of my explanation are you addressing.
 
Ozzie,

Good summary.
Thasnk you. I've had a lot of practice - mostly 2007-8-9 explang to genuine truthers. Haven't done much in recent years since all the issues were already explained. Clayton's requests gave me the opportunity to refresh my style. :rolleyes:

I would suggest that the following be considered...
Not at this stage. I am following a very specific and focussed path to respond to specific questions put by Clayton. Its hard enough trying to keep Clayton on focus without chasing everyone else's random meandering thoughts.

Some other time or some other location would be best.
 
@Clayton Moore.
Clayton I posted a comprehensive explanation for your assistance and because I enjoyed writing it. You can either take advantage of it or continue evasive games. I will challenge your response briefly:
You repeat this question Where the word "perpendicular" is undefined and you do not say which columns you refer to. However you reference my comment about Perimeter Columns where I said So I am referring to perimeter columns therefore you are also.

You say: So please say which fact I asserted do you allege is wrong. Here are the separate facts I called on:
a) The perimeter columns were left standing
b) with bracing removed.
c) They would fall over
d) for one of several reasons
e)-- impacts from the descending ROOSD process,
f) instability or vibration following ROOSD descent OR
g) simply Euler buckling due to unsupported column of hight/slenderness far in excess of critical length.
h) The key causal issue is "Removal of Bracing"
i) the rest follows automatically.

So which of those nine separate assertions of fact do you claim is wrong and explain why you assert that it is wrong.

Then, if you want to switch from addressing my claim to making one of your own, feel free to make your own claim. My post gives you an example of the level of precision and detail that is required. It is not a trivial task - are you up to it - I've shown that I can do it - can you? And I will not engage in trading "JAQing off" over trivia.

As for the remainder of your post here are some brief comments:
What are you attempting to support by this reference? I cannot respond if you don't make explicit what you are trying to say.
already explained in my post. My emphasis was that the falling core part of Top Block takes out the horizontal beams because the question you asked was about horizontal beams. I responded to your question. But the same principles apply to cross bracing. The argument is simple. The main strength against vertical loads was in the columns. The columns were bypassed. Everything else other than columns was too weak to withstand the falling weight for the reasons already given in the previous post. What part of that chain of reasoning do you disagree with? Why?
Read what I said. It is nothing to do with erratic. And each floor level would be stripped out as the debris + Top Block worked its way down. Respond to what I said - stop trying to change to a different scenario UNLESS you post your own complete explanation. It will need to be better than mine. ;)

What is the relevance of the image? What are you trying to say by posting it?
And??? Where did I say otherwise? In fact where did I even get to discussing it?

I don't have to concede anything. Especially since the comment is irrelevant. Why do you make it? What part of my explanation are you addressing.


I can't respond to dialog that tip toes around the 800 lb. gorillas that disprove a roosd hypothesis.

I proved the roosd solution impossible.

A tower's 4 roosd conduits (North, East, South, and West) could not provide a synchronized collapse. There is no roosd conduit for the steel core support structure's roosd process.
 
I can't respond to dialog that tip toes around the 800 lb. gorillas that disprove a roosd hypothesis.

I proved the roosd solution impossible.

A tower's 4 roosd conduits (North, East, South, and West) could not provide a synchronized collapse. There is no roosd conduit for the steel core support structure's roosd process.

The collapse was not synchronized and didn't have to be... in fact it was NOT synchronized and regions were ahead and others behind... like the flow of an avalanche... there is no straight even front boundary.
 
I can't respond to dialog that tip toes around the 800 lb. gorillas that disprove a roosd hypothesis.

I proved the roosd solution impossible.

A tower's 4 roosd conduits (North, East, South, and West) could not provide a synchronized collapse. There is no roosd conduit for the steel core support structure's roosd process.
You have my sympathy Clayton. You seem to be genuinely incapable of either presenting your own reasoned argument OR responding to mine when I spoon feed you.

Not only can you not do it but you seem incapable of even comprehending what is being said.

I can help you no further. I'm sorry that in proving the point I have exposed your problem but the irony of the situation is that you wont comprehend these comments.

Cheers.
 
10 seconds, 12 seconds, 14 seconds? It was inordinately fast. Things collapse awkwardly and with warning and obvious reasons such as the building was old.

Thanks for answering for someone else... :boggled:

There were warnings. TONS of warnings. They're all readily available for your review, but since you ignore things that run contrary to your ridiculous ideas, you may have missed them.
 
The collapse was not synchronized and didn't have to be... in fact it was NOT synchronized and regions were ahead and others behind... like the flow of an avalanche... there is no straight even front boundary.
That is correct but don't miss the point I was making with extreme care to be rigorous. My whole thrust was to demonstrate a reasoned process of argument starting from zero base and progressing in short logical steps. If, like Clayton, you want to start with something that should be further down the path - feel free. But your "start at the middle" comment has to be supported with at least as good an argument as my "start at the beginning" one. Clayton telling me that he starts with his conclusion is no news. I knew that already. If he doesn't want to either accept or rebut my explanation he is free to present his own. BUT no way will I respond to unsupported JAQing commentary which puts on me the burden of disproving the claim which he hasn't even started to make out. Yes I am aware that nearly everyone around here gets it arse about on a regular basis.

This is what happened in recent posts stated in analogy. It is a marathon race analogy which may help (but I have my fears).

You are running the marathon next week. The aim is for me to explain the route to you before you start the run.

a) I point to a white line painted on the road.
b) I say "This is where you start"
c) Do you see the blue line leading away into the distance?
d) When the race starts you stand this side of the white line.
e) Once the race starts you will need to follow the blue line which goes all the way to the finish line.
f) So lets get these bits here at the start correct and we can then follow the blue line and comment on other things we will need to understand.

Do you understand a, b,c, d.....etc?

And surely your response would not be "You are wrong".

BUT if you did say I was wrong two things follow:
1) You need to say which bits I got wrong. Like "The start line is not white" OR "That is not the start line; AND
2) You need to say why I got it wrong such as "it is yellow not white" OR "it is that line over there"

And it is pointless referring to a newspaper report about last years Marathon unless you tell me what bit you are referring to and why you are using it as an example.

And all four of those are the blatant gross errors that Clayton just made.

AND I had already covered the option that he may not want to do it my way 'If you don't want to listen to my explanation you are free to give your own."

At this point I could make comments about about Equus ferus caballus, relocation into proximity of aqueous liquid and inability to subsequently motivate imbibing.

I won't.

:D
 
@oz in your list above, point a)
Do you not mean "core columns" rather than perimeter columns?
Nope. You may be falling for Clayton's quote mining. Which I think was inadvertent on his part BTW

He repeated a question about columns but did not say which columns...i.e. core or perimeter.

BUT he quoted something I said about perimeter columns. So he has to be either meaning perimeter OR he has made an error of presentation.

He then said that I was wrong but called on something which was not relevant. I challenge him to say which bit was wrong. He ran away.

All I have proved with certainty is that CM does not engage in reasoned discourse. That wont be news to folk around here.

A short homily:
Remember that I usually write with near legal pedantic accuracy. Its why some of my posts get "wordy".:o What I say is what I am saying. Nothing more nothing less. If I talk about the start of something I am talking about the start. Not the middle. Not the end. Not next weeks version of the same event.

Any one looking for innuendo in my posts is near certainly wasting their time. If there is innuendo it is more likely accidental artifice of sloppy writing. If I intend innuendo I will usually make it canine genitals clear that I intend it. [/EndHomily]

So I was meaning perimeter, it was clear in original context, it should have been clear that in the post you refer to I was ONLY asking Clayton which bit he claimed was wrong. And I spoon fed it to him bit by bit like a lawyer engaged in cross examination. Not an engineer explaining the structures. Guess why.

thumbup.gif
 
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Nope. You may be falling for Clayton's quote mining. Which I think was inadvertent on his part BTW

He repediscourse. That wont be news to folk around here.
So I was meaning perimeter, it was clear in original context, it should have been clear that in the post you refer to I was ONLY asking Clayton which bit he claimed was wrong. And I spoon fed it to him bit by bit like a lawyer engaged in cross examination. Not an engineer explaining the structures. Guess why.

[qimg]http://conleys.com.au/smilies/thumbup.gif[/qimg]

Well, what you wrote stands just as well wrt to core columns, CM began by speaking about core columns, the topic seemed to flick to the perimeter, between initiation and continuation, back to core, and frankly I was skimming the thread when I had a chance to be online. Tuesday I will have time to pay closer attention.

So ,,,, never mind me,,,, continue:)
 
In response to your alluding the columns needed the floors for support.

No no no no. The columns were connected to each other. They formed an independent structure.
[qimg]http://911research.wtc7.net/wtc/arch/docs/mage6.jpg[/qimg]
yes,yes, yes.......the inner core was dependent on the floor slabs and perimeter columns for lateral stability.


Only a fool would believe that three stories of core construction being ahead of the perimeter proves and "independent structure"......or wait.........:eek:
 
I can't respond to dialog that tip toes around the 800 lb. gorillas that disprove a roosd hypothesis.

I proved the roosd solution impossible.

A tower's 4 roosd conduits (North, East, South, and West) could not provide a synchronized collapse. There is no roosd conduit for the steel core support structure's roosd process.

Stop talking about things that you know nothing about.
 
Well, what you wrote stands just as well wrt to core columns,..
True but he quoted a bit out of my deliberately very tightly focussed bit of reasoning. And I was pressing him to either follow reasoning I put to him OR present his own. And, for those who question my wisdom, I was and still am well aware of the low probability of success. :o
...CM began by speaking about core columns, the topic seemed to flick to the perimeter, between initiation and continuation, back to core,...
It is a clear example of the divergent thinking syndrome I have mentioned a few times. ( That is the PC version. Put bluntly it means 'cannot think") The poor reading comprehension is a subordinate aspect. It is obvious he hasn't comprehended what I wrote. I could have put it another layer down towards kindergarten but I was conscious of not offending by going too low. Read the bit about "shortcut" which skirts around the questions of "are you intelligent enough to understand this or do you want it even further down towards baby food?"

and frankly I was skimming the thread when I had a chance to be online. Tuesday I will have time to pay closer attention.

So ,,,, never mind me,,,, continue:)
No problem.
 
Without the help of explosives of some kind.

I really need to make a macro for my computer that just goes "Tons of explosives, planted secretly in a heavily-trafficked building in the middle of Manhattan, ruggedized to survive a plane impact which miraculously didn't knock any explosives out of the building, or disrupt them or their wiring, and detonated without any shockwave, glass shattering, or barotrauma consistent with any known type of explosives." for whenever someone makes that argument.

I can't respond to dialog that tip toes around the 800 lb. gorillas that disprove a roosd hypothesis.
...

And yet, you have no problem tiptoeing around the even larger airplane. Specifically, what it would do to the charges. I believe the closest you've ever come is a handwave about "computer simulations" you refused to elaborate on. Or even to acknowledge my request to elaborate.
 
Fine. Then what did cut through the interior core columns?

You have not understood the sequence of failures. There was a progression of them. After the top sections broke free... the huge mass of the upper section drove through the much weaker FLOOR system destroying it and leaving the columns to which it was attached to unbraced and unstable. The columns broke apart at the weakest point - their connections.

Examination of the debris shows virtually all the steel connection broke because they were the weakest part of the frame. The column to column connections were basically for alignment purposes during erection... the floor beams provided the lateral bracing. Those floor beams were destroyed by the collapsing mass falling on them.

The top sections broke apart and broke free as a result of plane destroyed columns, extensive fuel fed fires which raged with fire protection stripped away by the chaos of the plane crashing through the floors... the heat weakened the frame to the point where it could not support the floors above and then 30,000 tons of mass dropped and destroyed all the floors and the bracing inside the core.

Below the crash zone no columns were crushed or blasted apart or cut apart. LOOK AT THE DEBRIS. Your answer is right there.
 

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