this post was submitted on 11 Sep 2025
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chapotraphouse

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9/11 qin-shi-huangdi-fireball

Building implosion

In the controlled demolition industry, building implosion is the strategic placing of explosive material and timing of its detonation so that a structure collapses on itself in a matter of seconds, minimizing the physical damage to its immediate surroundings. Despite its terminology, building implosion also includes the controlled demolition of other structures, like bridges, smokestacks, towers, and tunnels. This is typically done to save time and money of what would otherwise be an extensive demolition process with construction equipment, as well as to reduce construction workers exposure to infrastructure that is in severe disrepair.

Building implosion, which reduces to seconds a process which could take months or years to achieve by other methods, typically occurs in urban areas[citation needed] and often involves large landmark structures.

The actual use of the term "implosion" to refer to the destruction of a building is a misnomer. This had been stated of the destruction of 1515 Tower in West Palm Beach, Florida. "What happens is, you use explosive materials in critical structural connections to allow gravity to bring it down.

The term "implosion" was coined by my grandmother back in, I guess, the '60s. It's a more descriptive way to explain what we do than "explosion". There are a series of small explosions, but the building itself isn't erupting outward. It's actually being pulled in on top of itself. What we're really doing is removing specific support columns within the structure and then cajoling the building in one direction or another, or straight down.

  • โ€ŠStacy Loizeaux, NOVA, December 1996

Building implosion techniques do not rely on the difference between internal and external pressure to collapse a structure. Instead, the goal is to induce a progressive collapse by weakening or removing critical supports; therefore, the building can no longer withstand gravity loads and will fail under its own weight

Numerous small explosives, strategically placed within the structure, are used to catalyze the collapse. Nitroglycerin, dynamite, or other explosives are used to shatter reinforced concrete supports. Linear shaped charges are used to sever steel supports. These explosives are progressively detonated on supports throughout the structure. Then, explosives on the lower floors initiate the controlled collapse.

A simple structure like a chimney can be prepared for demolition in less than a day. Larger or more complex structures can take up to six months of preparation to remove internal walls and wrap columns with fabric and fencing before firing the explosives.

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[โ€“] ClathrateG@hexbear.net 8 points 45 minutes ago* (last edited 43 minutes ago)

54 comments(none from me) and counting arguing under my fb status 'rest in piss Charlie Kirk' lol

[โ€“] YEP@hexbear.net 2 points 29 minutes ago

Is mao a lib for not killing puyi?

Premtive, This is a joke no-no-no-wait-wait-wait

Not gonna lie, it's kinda bullshit that I HAVE TO take my UNPAID thirty minute break or else I get managers up my ass over it

I pretty much can't take a break until lunch is over and like, if I want to just fuck off and go home at that point I should be able to instead of having to clock out, eat, then wait to clock back in just to clean up and go

[โ€“] hexaflexagonbear@hexbear.net 3 points 45 minutes ago

JD Vance being like โ€œI canโ€™t attend the 9/11 event because I have to fly out to Utah, a place I definitely havenโ€™t already been at for over 24 hoursโ€

Fbi release photos of suspect in Charlie Kirk shooting

[โ€“] hexaflexagonbear@hexbear.net 3 points 56 minutes ago

He was right about everything

[โ€“] infuziSporg@hexbear.net 4 points 1 hour ago (1 children)

They are still selling American Comeback tour T-shirts.

It's fitting, that debate was ended by a quintessentially American comeback.

[โ€“] Le_Wokisme@hexbear.net 3 points 1 hour ago

we should sell "american clapback" shirts with a picture of the gun on it

[โ€“] Grownbravy@hexbear.net 19 points 2 hours ago (1 children)

I think i nailed the interview!

success

[โ€“] Evilphd666@hexbear.net 5 points 1 hour ago

Hipe it works out for you.

[โ€“] Hohsia@hexbear.net 11 points 1 hour ago* (last edited 1 hour ago) (1 children)

Something about Charlie Kirk posts being liked by everyone in my LinkedIn network seems ominous to me

What the fuck does Charlie Kirk have to do with employment

Actually, scratch that, duh. This is consent manufacturing in action. I mean, the fact that Trump was the first to break the news tells all. Fuck

[โ€“] Rojo27@hexbear.net 7 points 1 hour ago (1 children)

I feel like the LinkedIn types would love him a way. After all in their eyes he was probably just a successful smol bean entrepreneur who built Turning Piss into one of the more recognizable right-wing alternative media/think tanks. LinkedIn is a fucking capitalist cesspool anyway.

[โ€“] Hohsia@hexbear.net 3 points 29 minutes ago

And one of the only places where you can go to find a job ๐Ÿ’”

[โ€“] hexaflexagonbear@hexbear.net 7 points 1 hour ago (1 children)

The cool thing about the AI era is theyโ€™re not only trying to replace call center support, but even the automated systems that had already existed are much worse than before. I just tried to get a package held for me with UPS and instead of having me punch in the tracking code with my phone pad it wants me to say it out loud, and it is terrible at figuring out the tracking code. Lots of number letter confusion that should be caught by validating if itโ€™s the expected character type for the position. Stop hiring โ€œcrackedโ€ ML engineers who just graduated, this shit was functioning perfectly fine a decade ago. Please rehire your software engineers that actually knew how to do their jobs.

[โ€“] hexaflexagonbear@hexbear.net 6 points 1 hour ago* (last edited 1 hour ago) (1 children)

The chatbots also put up more resistance before forwarding you to staff now. And as Iโ€™ve said, these things are just notably worse than pre-llm, which is fucking wild. I donโ€™t even necessarily think itโ€™s a weakness of the language model, itโ€™s because corporate is so bad at separating out grifters from actual engineers and these systems are built by the dumbest MBAs who took a single random โ€œAIโ€ โ€œcertificationโ€.

Seriously contemplating moving to a cabin in the woods before this cycle catches up to us enough that planes, trains, and automobiles start exploding on the regular.

[โ€“] ShimmeringKoi@hexbear.net 4 points 1 hour ago* (last edited 1 hour ago) (1 children)

What's a good free video editor? I want to dub the blasting of Charlie Kirk with half life sounds

[โ€“] Le_Wokisme@hexbear.net 5 points 1 hour ago

davinci resolve

Don't forget about the original and more important 911. Allende, his comrades, and all people that were robbed of their project only to then suffer under a US backed dictatorship, I hope your dream someday comes to fruition fidel-salute

[โ€“] Des@hexbear.net 3 points 1 hour ago

ok going hiking in the mountains to celebrate ~~9/11~~ Charlie Kirk Day. i'm sure when i return we'll get to see all the messages written and learn it's antifa and the dems are now a designated terrorist org

the libs will show their bellies, accept their new status and let themselves get mass arrested, and all run as independents in a permanent one party state

ugh yeah hopefully there will be no cell service

[โ€“] FuckyWucky@hexbear.net 7 points 2 hours ago (1 children)

One of the best feeling days in a while for me. wholesome. I wish to wake up to such good news every day.

[โ€“] ShimmeringKoi@hexbear.net 5 points 1 hour ago* (last edited 5 minutes ago)

I went for a bike ride last night and felt the hopeful air I haven't felt since childhood. I realized then that it wasn't the innocence of youth I was missing, but the feeling of hope for the future, and that those feelings are absolutely not locked forever in the past. It was a feeling of immense relief, like a claw around my throat loosening just enough for a tiny breath of air. This life can be more than just waiting to die.

[โ€“] miz@hexbear.net 12 points 2 hours ago (1 children)
[โ€“] mathemachristian@hexbear.net 6 points 2 hours ago (1 children)

The fuck does tampax (tm) want my location for????

[โ€“] miz@hexbear.net 6 points 1 hour ago

umm...targeting ๐ŸŽฏ

charlie-kirk

[โ€“] The_Grinch@hexbear.net 14 points 2 hours ago* (last edited 2 hours ago) (1 children)

The r/conservative Charlie Kirk mourning post appears to have 41 poop emoji reddit gold stickers on it. Am I seeing that right?

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[โ€“] Blep@hexbear.net 15 points 2 hours ago

Entry level job be like: 3 years exp necessary but we wont count your internships

[โ€“] hexaflexagonbear@hexbear.net 12 points 2 hours ago

Markets are up today. Fiscal conservatives you know what has to be done.

[โ€“] miz@hexbear.net 10 points 2 hours ago

I expect apologies from all the Mamdani doubters on this webzone after today's news that he has changed his campaign slogan to "GO FOR THE THROAT!"

[โ€“] Sickos@hexbear.net 2 points 1 hour ago

Just misread a CNN headline as "Charlie Kirk Still Dead"

[โ€“] deforestgump@hexbear.net 19 points 3 hours ago

Hitting myself with a cartoon hammer until my teeth turn into piano keys and fall out. I think this is the only way to make my brain not overthink everything

[โ€“] sleeplessone@lemmy.ml 10 points 3 hours ago
[โ€“] Torenico@hexbear.net 12 points 3 hours ago (2 children)

Ooooh I just realized: Matt Walsh could be the next one.

Anyways happy 11/9

[โ€“] ShimmeringKoi@hexbear.net 4 points 1 hour ago* (last edited 1 hour ago)

Working up the list until Ben Shapirio barricades himself in his house and goes mad

[โ€“] ShinkanTrain@lemmy.ml 8 points 2 hours ago

Mr. President, a second dipshit was shot in the neck

[โ€“] MF_COOM@hexbear.net 25 points 4 hours ago (5 children)

This years 9/11 party will again be 9/11-themed

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[โ€“] moonlake@hexbear.net 22 points 4 hours ago

Libs are smooth-brained organisms who think that every horrible thing you did in life is forgiven if you die in tragic circumstances. By that logic, Hitler is a saint since he tragically died at a young age by suicide. "I don't agree with his politics but we should send thoughts and prayers to Hitler" timmy-pray shut the fuck up

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