[Moderated]Another engineer criticizes NIST & FEMA

Max Photon takes a sideswipe at WildCat (with that feather play-thingy).

Ah, so now 175 sideswiped WTC 2? So it was real-time CGI effects that only made it appear that the entire plane from wingtip to wingtip struck the tower? Perhaps you and Ace Baker could producer a paper on this!


WildCan't,

I believe the point is that even though Flight 175 struck the tower wingtip to wingtip, 175 struck the tower off-center, thereby exciting torsional harmonics.

These harmonics absorbed energy.

These harmonics ought to be accounted for.

Stay tuned!

Max

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Its a shame when real science gets in the way of resent and bitterness induced fantasy, isn't it people?

TAM:)
 
Max Photon says WTC2's phreato-thermatic explosion was used to knock off SFRM

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Apollo20 and others,


Just a reminder...

As you discuss the SFRM, the floor trusses, and the visco-elastic dampers, remember that I put forth the notion that demolition planners engineered a phreato-thermatic explosion when Flight 175 struck WTC2.


First, let me clarify a point.

I had first said all of the aluminum from 175 was consumed in the phreato-thermatic explosion.

Allow me to loosen that constraint a bit, so that a significant portion of the aluminum - that portion that was sufficiently fine to burn - was involved in the phreato-thermatic explosion.


Anyway, that said, the phreato-thermatic explosion was a multi-valued function - it served multiple purposes.

One key function of the phreato-thermatic explosion - a function highly relevant to this discussion - was to provide energy to dislodge SFRM from the floor assemblies, including the dampers.


So as you ponder energy deficits or surpluses, keep that extra energy source in mind.


Cheers!

Max


P.S. TAM, too bad you don't have any Kool Max Vax.

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Maxwell:

I am glad to see that someone understands my use of the term "sideswipe"... How else would you excite torsional vibrations in WTC 2?

Oh and TAM, did you know:

A closed mind put's someone (metaphorically at least)

in THE COUNTRY OF THE BLIND....

And, by the way, this is a GREAT short story by H. G. Wells that is very apropos vis-avis the JREF NISTIANS who self-identify every time they post here!

This is the last warning to concentrate on the argument, and not those who argue against you. If you cannot discuss the matter without baiting and insulting others, further mod action will follow.
Replying to this modbox in thread will be off topic  Posted By: chillzero
 
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Apollo20 and others,


Just a reminder...

As you discuss the SFRM, the floor trusses, and the visco-elastic dampers, remember that I put forth the notion that demolition planners engineered a phreato-thermatic explosion when Flight 175 struck WTC2.


First, let me clarify a point.

I had first said all of the aluminum from 175 was consumed in the phreato-thermatic explosion.

Allow me to loosen that constraint a bit, so that a significant portion of the aluminum - that portion that was sufficiently fine to burn - was involved in the phreato-thermatic explosion.


Anyway, that said, the phreato-thermatic explosion was a multi-valued function - it served multiple purposes.

One key function of the phreato-thermatic explosion - a function highly relevant to this discussion - was to provide energy to dislodge SFRM from the floor assemblies, including the dampers.


So as you ponder energy deficits or surpluses, keep that extra energy source in mind.


Cheers!

Max


P.S. TAM, too bad you don't have any Kool Max Vax.

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Apollo20- any thoughts on this? Earlier you said that Max was indeed correct when he was making statements similar to this, and it's a bit confusing on what you're actually agreeing with. Would you be so kind as to clarify...
 
That it's ridiculous to assume that the shredded remains of a jumbo jet traveling 400 mph accompanied by the explosion of thousands of gallons of jet fuel could possibly dislodge 3/4" of spray-on fireproofing, therefore the cause must have been something else. That "something else" is apparently a critical problem with embrittlement of steel that has not been shown to be a problem on other steel-frame buildings in over 100 years of high-rise construction, and is being ignored by those blind-to-the-obvious stuffed shirts at NIST and their mindless followers.


Ah, thanks. And when can we expect his paper outlining this theory?
 
Pardon me Good Sir, but do you have a light?

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Apollo20,


This is a great thread, and you are bringing all kinds of goodies to light.


ChillZero - actually a very warm person - is here help.

She is saying this thread must have a high signal-to-noise ratio, or else.

In other words, she has quieted down the room, and warned EVERYONE that disruptions will not be tolerated.

This means, good doctor, that the microphone is on, and yours.


Why waste time with silly (but fun) child-like resistance?

Perhaps it is time, Apollo20, to stop holding back, and simply incinerate them.


(I brought dark goggles.)


Max Always-Prepared-for-Fireworks Photon

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Max:

If I had any "Kool-Max-Vax" I would not use it. You are harmless, and while an little insulting at times, for the most part you are good natured.

Apollo20:
I do not consider myself a NISTIAN, nor close-minded. I do consider baseless and factless accusation to be rubbish, and those who encourage it to be promoting lies and slander. I also consider the NIST report, from what I have read (NISTNCSTAR 1, and ALL of the exec summaries) to be the best available, AND the most thorough, by a LONG SHOT.

I also find those who will claim respect and appreciation for the report (and those who sweated for it) on one hand, while berating it, belittling it, and mocking it on the other to be quite...two faced.

TAM:)
 
Well, so far not too many nibbles from the NISTIANs on my list of problems with the NIST Report. So here is the list again with a few edits and additions:

1. NIST bases its collapse theory on the loss of thermal insulation while admitting that the state of thermal insulation inside the towers is unknown.
2. NIST about the presence of molten metal in the towers.
3. NIST offers no explanation for the sulfiding of steel and fail to mention the occurrence of widespread chlorination of recovered samples.
4. NIST do not consider the possible contribution of corrosion, erosion, wastage and/or embrittlement to the failure of bolts and welds in the truss assemblies.
5. NIST offer contradictory versions of the pre-collapse tipping of the upper sections of the towers and estimate tilt angles that exceed tilts predicted for quoted downward displacements.
6. NIST do not consider the energy dissipated by the aircraft impact-induced torsional vibrations of WTC 2.
7. NIST do not consider the thermal degradation of the visco-elastic damper polymer or even discuss if SFRM was applied to the dampers.
8. NIST's ASTM E-119 tests were carried out on floor truss assemblies made from a different steel welded by a different technique to that used in the towers.
9. NIST carried out no analyses or mechanical tests on any recovered concrete.
10. NIST says it found no evidence for the use of explosives in the destruction of the towers when it knows full well that no analyses for explosive residues were carried out.
11. NIST assumes in one section of its Report that 2/3rds of the KE of the aircraft was converted into motion of WTC 2, but elsewhere assumes, as per T. Wierzbicki, that ALL the impact KE was dissipated by plastic deformation and fracture of the aircraft and the WTC structural steel and concrete.
12. NIST ignore the contribution of the shredded aluminum from the impacting aircraft on the evolution of the fireballs and the development of the fires and did not include aircraft debris in its fire simulations.
Some of those don't make any sense. Maybe one or two people who claimed to see molten metal but the problem being we are quite susceptible to pulling stuff out of think air in extremely life threating situations. Number ten isn't even a point because a good scientist would be able to discount the use of explosives without testing for explosives.
These harmonics absorbed energy.

These harmonics ought to be accounted for.

Stay tuned!
No. If a force is large enough a material will just deform and not act like a spring. In that case you don't have to account for anything.
Perhaps it is time, Apollo20, to stop holding back, and simply incinerate them.


(I brought dark goggles.)


Max Always-Prepared-for-Fireworks Photon
What fireworks? If his theories really had any bearing he'd have them published in a peer reviewed journal.
 
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Max Photon's recommendations on how to read NCSTAR 1-5A/9/C quickly and productively

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Serious readers of this thread...

allow me to make a practical recommendation:


A solid understanding of "the story" told in the NCSTAR 1-5A/9/C WTC2 time-line is essential to fully appreciating - and meaningfully participating in - this thread.


Here is a good way to read, or re-read, the report:


Download the report to your hard drive.

http://wtc.nist.gov/NISTNCSTAR1-5A_chap_9-AppxC.pdf


Print out the WTC2 time-line pages (there are only about 100 if I remember correctly).


I recommend printing and stapling together 25 pages at a time, just to make handling easier.


The report discuss about 85 photos of WTC2, taken between impact and collapse initiation.

To "read the report", read the paper copy, while having the photo being discussed up on your screen.

Since the report basically is a sequence of photos, plus text describing each photo, it is very helpful, as you read, to draw a line horizontally across the paper copy to separate each photo/text segment.

Also consider writing in the left margin of each segment - in large letters - Fig XX, for fast reference.


The report tells a story. Follow the story.

(It's actually incredibly exciting. And bizarre - very bizarre.)


I think you'll find these recommendations will make your experience fast, fun, thrilling, and productive.


Cheers!

Max


P.S. Thanks for the kind words TAM
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Serious readers of this thread...

allow me to make a practical recommendation:


A solid understanding of "the story" told in the NCSTAR 1-5A/9/C WTC2 time-line is essential to fully appreciating - and meaningfully participating in - this thread.
No. A solid understanding of the field of civil engineering is essential to even understanding the paper. Im not going to delude myself into thinking that Im going to understand that paper.
 
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Max Photon says: Go ahead. Delude yourself. Read NCSTAR 1-5A/9/C.

No. A solid understanding of the field of civil engineering is essential to even understanding the paper.


Wrong.

NCSTAR 1-5A/9/C is simply a visual account of phenomena observed on WTC2's facade.

If you can bird(brain) watch, you can read NCSTAR 1-5A/9/C

Why, some astute spotters claim to have seen even the Gravy-Billed Sucker Plucker hunting and pecking at it.


Im not going to delude myself into thinking that Im going to understand that paper.


(or apostrophes)


Ah, the power of positive thinking.

Well at least you are honest.



Is it just me, or are there brilliant minds in these parts?


Max

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Due to the number of reports generated by this thread, it is now being moderated.
Replying to this modbox in thread will be off topic  Posted By: chillzero
 
Max Photon cranks up, "Break on through to the other side. Break on through..."

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Apollo20 my dear chap,


Phase transformation completed.


Now, would you be gracious enough to do a quick summary of this thread thus far, and some hints as to where you'd like to go?

This reader is very interested.


With maximum respect,

Max

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Apollo or Max;
I really would like to know how fire proofing of the dampers would come in to play. All the load bearing members being protected would seem to be the critical parts. Surely your not saying that the dampers could have arrested the collapse.
 
Wrong.

NCSTAR 1-5A/9/C is simply a visual account of phenomena observed on WTC2's facade.

If you can bird(brain) watch, you can read NCSTAR 1-5A/9/C

Why, some astute spotters claim to have seen even the Gravy-Billed Sucker Plucker hunting and pecking at it.
No it's not simply a visual account. It didn't even take me five minutes to realize this fact.
Ah, the power of positive thinking.

Well at least you are honest.
But your not.:)
(It's actually incredibly exciting. And bizarre - very bizarre.)
What's your definition of bizarre though.
Ah, the power of positive thinking.

Well at least you are honest.
Actually Im smart enough to know your making stuff up. Lord knows I would like to know what ground water had to do with 9/11.
 
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Inretrospect the whole building should have been covered in fireproofing, top to bottom. It wasn't, therefore this was a design flaw? I'm not following the logic progression here on the dampeners. You can't just spray fireproofing willy nilly on stuff, especially equipement designed to work in a dynamic state. Seems to me like covering a safety device, thereby restricting its movement would impair it. Plus who knows what kind of chemical interaction would happen? If the foam retained moisture, would the resulting corrosion and pitting on the actuator rod lead to failure?
 
Max Photon tells the story of WTC2

Apollo or Max;
I really would like to know how fire proofing of the dampers would come in to play. All the load bearing members being protected would seem to be the critical parts. Surely your not saying that the dampers could have arrested the collapse.


What-o DGM?


Here is what I see:


WTC2 Floor 81 had a UPS room.

The "UPS batteries" had iron instead of lead, and salt-water instead of acid. The "UPS batteries" were in fact rust generators.

When Flight 175 hit the tower, the front landing gear penetrated the rust generators, throwing up a screen of iron oxide and water into the oncoming shattered aluminum.

(The absorption of the jet's energy by the rust generators might account for the "catcher's mitt" effect Apollo20 commented on earlier.)

Naturally-occurring, small thermite sparks ignited a thermite reaction in the presence of water, creating a phreato-thermatic explosion (which in turn helped to drive a fuel-air explosion.)

This engineered phreato-thermatic explosion provided added energy to knock off SFRM from many different types of steel members and components.


Incidentally, the phreato-thermatic explosion also helped to create a spectacular visual input signal, that would be fed into the media, to excite resonance in such harmonics as blind hatred, racism, irrational jingoism, flag-wrapping, belligerence, and so forth. These necessary illusions were required to manufacture consent to illegally invade other sovereign nations, and install a police state here in the SubprimeHomeLand.

The phreato-thermatic explosion also created some pools of molten iron on the impact floors, which pooled at low spots, heated the trusses through the concrete, which caused the floors to sag even more, encouraging more pooling, thereby creating a dynamic floor-loading mechanism.


The rust generators created a "debris shadow" - the Cold Spot.

It was planned that debris on either side of the Cold Spot would collect at under column splices - which were engineered to become hot spots.


Thermite had been planted at perimeter connections: column splices, spandrel splices, floor truss seats, and gusset seats.

The thermite was simply poured into box columns and spandrel-splice gaps.

For the floor truss seats and gusset seats, the thermite was wrapped in paper and black plastic.

The thermite was linked and ignited by thermite-dusted shock-tube, and the shock-tube was remotely ignited by laser from WTC7.

Note that the thermite-dusted shock-tube was able to light the planted thermite directly, and that the planted thermite was able to ignite out-lines of (other) shock-tube. In other words, the planted thermite could serve as a one-to-many relay.


The thermite was designed not to cut, melt, or slice the steel, but to heat-weaken it, by heating the steel to about 600C (though some components were heated to 1100C).

If steel was heated well before collapse initiation, it cooled, and became more brittle.

If the steel was still hot at collapse initiation, the steel would have been ductile.

By controlling the variables of time and temperature, a natural-looking spectrum of failure modes was engineered.


Depending on where the thermite was planted - that is, depending on the splice or connection - different phenomena were observed on the exterior as the thermite burned.


Thermite at floor truss seats produced flames and smoke at the base of windows.


Thermite at gusset seats produced flames, and bright flashes at the "tops of windows". (NIST should have said at the "bottom of spandrels.")

Thermite at gusset seats caused the visco-elastic dampers to burn, which created black smoke to mask the white aluminum-oxide ash.


Thermite in most box columns was used in small quantities. But it was enough to blow the bolt-access-hole covers off, creating NIST's unexplained "pressure pulses"

Thermite was packed into WTC2/81/301, and was the source of the 10-minute metal fire about which NIST dribbled in its bib.

Burning thermite spewed out of this column (and others) onto debris piles, creating NIST's "fires burning on piles of debris" or similar.

By controlling where and when columns spewed out burning thermite onto piles of debris, demolition planners were able to create the illusion of intense fires migrating across the faces, hots spots and cold spots (which created differential heating, and buckling) and other phenomena.

The iron from column 301 accounts for much of the metal flows.


Thermite in spandrel splice gaps accounts from the white glows on top of spandrels, and at least one of the WTC2 metal flows.


The ignition of all of the above in timed sequences accounts for the "steam pipe organ" effects, the smoke puffs, the pressure pulses, the metal fire, the metal flows, the falling debris, the intense smoke release, the fires that violate normal fire behavior, the intense white glows, the white "smoke", the hanging objects changing location, and on and on.



The way to think of the dampers is that they were one of several exploitable susceptibilities:

- Flammable visco-elastic dampers
- A325 column splice bolts
- Thin spandrel splice plates
- Top chords at truss seats


Never ever forget - the pre-engineered narrative called for:

Loss of SFRM allowed trusses to be heated from below, which caused them to sag, which pulled perimeter columns inward, which caused the columns to bow, which caused them to fail, which initiated the collapse of WTC2.

NIST is leaving out that thermite was used to heat-weaken steel connections.

So the weakening of the visco-elastic dampers was just one step in causing the floors to sag in a manner consistent with the narrative.

Plausible deniability required it.


Remember, it is not the collapse, but collapse initiation that is of interest.

The visco-elastic dampers had a role in the engineering of the collapse initiation.


Max

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