this post was submitted on 11 Sep 2024
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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.

  • β€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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[–] [email protected] 19 points 3 days ago (1 children)

politely asked a guy filling his gas next to me stop smoking cigarettes while handling gasoline

he started screaming expletives and slurs at me, calling my car a f-slur-mobile and attacking Palestine (I had a pro-Palestine bumper sticker). Subaru and Palestine catching strays.

The boomers are not OK. They come back to their birthplace (leaded gasoline stations) and attempt to blow it up to complete their life cycle

[–] [email protected] 10 points 3 days ago

in my experience this is the standard reaction from anyone older than me in response to a requested change in behaviour.

[–] [email protected] 14 points 3 days ago
[–] [email protected] 13 points 3 days ago (5 children)

I feel like it needs to be emphasized more that the Haitian immigrants slander and provocation of violence is the most outwardly fascist thing Trump has ever done.

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[–] [email protected] 9 points 3 days ago (30 children)

Star Wars nerds doing YouTube explaining videos of dumb expanded universe shit are SOOOO self referential. They assume you know what a bby is, I just heard a dude refer to some civilization with a dumb name as having 'some technology even more advanced than during the time of the empire.' And just leaves it at that. I've seen the movies, is the time of the empire the technological height of the galaxy? The original trilogy? Cause I kinda figured shit kinda looked worse than the prequels in cannon cause the empire was oppressive on the outside and a stagnate beurocracy on the inside with a sith center. Both visually and narratively I'm pretty sure we're shown a technological decline between the two eras and otherwise it's kinda giving the emperor some points. I just listen to this shit when I'm bored so I can tell my pal at work what star wars fans really believe.

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[–] [email protected] 15 points 4 days ago (4 children)

i swear to god i hate nerds so fucking much. im trying to learn python and these motherfuckers have made it so fucking difficult to even install anaconda that im ready to fly a plane into a building. why would a program not install its own navigator? beyond useless. i cannot reiterate this enough: the more somebody knows about computers, the more i hate them

Death to America

[–] [email protected] 11 points 4 days ago

Python is a hellscape language

Did you know Python was originally created to serve as a systems programming language for use with the Amoeba operating system? Maybe it would be less fucking annoying to use if it came with your system by default and there was only one way to use it and it wasn't another thing grafted onto Windows and Unix after the fact and was allowed to develop positively alongside a new host operating system without all the baggage of the past

Anyway, use C

Death to the Burgerreich

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[–] [email protected] 11 points 3 days ago (6 children)
[–] [email protected] 7 points 3 days ago (1 children)
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[–] [email protected] 11 points 3 days ago

it is september 13 and stalin saved the world from fascism

[–] [email protected] 10 points 3 days ago (1 children)

Why do my partner and I always get sick around critical events wtf

[–] [email protected] 7 points 3 days ago (1 children)
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[–] [email protected] 8 points 3 days ago

As we continue our way into a megamega, i would like to say, my band put out our EP today, and the real heads were about it. I see you. lea-w

[–] [email protected] 11 points 3 days ago (3 children)

I have cooked 105 fucking pounds of french fries tonight. Idk what's wrong with all these kids that they all gotta eat half a pound of fucking fries

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[–] [email protected] 12 points 4 days ago (1 children)

My 8 year old family cat is finally now a proper indoor cat. She used to meow every night to want go outside but now shes chill.

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[–] [email protected] 33 points 4 days ago (4 children)

Matt Christman had successful heart surgery

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[–] [email protected] 7 points 3 days ago

We did it! 1000 comments mission-accomplished

[–] [email protected] 7 points 3 days ago
[–] [email protected] 7 points 3 days ago (2 children)
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[–] [email protected] 12 points 4 days ago (1 children)

There's some really cool stuff I wish I could talk about, with some amazing photos to go along, but it would basically dox me :(

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[–] [email protected] 17 points 4 days ago (2 children)

Ugh, feeling lonely

It's been almost 2 years since I saw most of my irl friends and that really scares me yet I feel too paralyzed to do anything about it

My brain is so broken

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[–] [email protected] 9 points 3 days ago (1 children)

If I ever learn linux it'll be in private and I'll tell no one that way I can eavesdrop on linux users when they talking smack about me angery

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[–] [email protected] 10 points 3 days ago* (last edited 3 days ago) (1 children)

Lol my dumb post about jill stein is in page 2 of lemmy brigading , AOC dems keep coping neumanqin-shi-huangdi-fireball

[–] [email protected] 8 points 3 days ago (1 children)

I think there are legitimate criticisms to be made of Jill Stein and the Greens, but AOC sure as shit ain't making them.

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[–] [email protected] 10 points 3 days ago (1 children)

what these "revolutionaries" don't realize is that the easiest way to get to power is to simply identify with the people already in power

[–] [email protected] 8 points 3 days ago

Trot_Neocon_Pipeline.exe

[–] [email protected] 12 points 4 days ago (2 children)

i do not like group work that has any out-of-class component, this shit fucking sucks

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[–] [email protected] 9 points 3 days ago (1 children)

Matt Christman is having another surgery...

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[–] [email protected] 9 points 3 days ago (2 children)

We were so close to 9/11 being on Friday the 13th this year!

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[–] [email protected] 13 points 4 days ago (2 children)

gonna disagree with the tagline, "lib laugh love". i claim the inverse of the statement "the true revolutionary is guided by a great feeling of love""

so heres the correct version
LIBS
LACK
LOVE

frame it and put it on your wall

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[–] [email protected] 10 points 4 days ago (1 children)

Why the fuck do I have to sit here and just watch people be weird and wrong about shit all the time

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[–] [email protected] 11 points 4 days ago (2 children)

another agency in my city tryna poach ya boy big-cool first time i've ever been hit up by a recruiter unprompted, makes me feel like a bit of a hotshot. my new job/promotion is Fine but a little stuffy, and these other positions might bring me closer to communities i grew up in/around so can't hurt to hear them out.

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[–] [email protected] 18 points 4 days ago

God I love trains

[–] [email protected] 6 points 3 days ago (1 children)

I wish in the Mandalorian season 3 they would have introduced more mando factions, maybe like a mandalorian protectors like faction by Fenn Rau, or a warlord kingdom mandalorian, or heck have the pro-Maul mandalorians still exist and claim Maul was legal mandalore and hate bo katan

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[–] [email protected] 11 points 4 days ago

just got called the f slur in the park by my job. did someone fucking hex me or something? this really ain't my week....

[–] [email protected] 22 points 4 days ago

I'm sorry but this just makes me laugh

[–] [email protected] 14 points 4 days ago* (last edited 4 days ago)

thing meant for phones has a web app (extremely rare)

try to log in

it wants you to use the phone app to log into the web app

Wtf, I'm using the web app cuz I don't have the phone app

Death to the web, death to phones, melt down all computers made since 2000, make HTTP illegal, send all {Java,Kotlin}{,script} (all the same thing) developers to reeducation camps

[–] [email protected] 7 points 3 days ago (1 children)

They need to invent a drug that gives people post-nut clarity and put it in the ground water

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[–] [email protected] 7 points 3 days ago

Therapists will be like "you're doing this to self sabotage" and this will be the second most disruptive mental illness in terms of employment, relationships, and poor quality of life.

[–] [email protected] 9 points 4 days ago (5 children)

Made some miso pasta with sauteed cabbage, pro tip I'll pass on that was pass on to me miso is great with lemon

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[–] [email protected] 24 points 4 days ago (4 children)

Liberals treating the β€œHatian immigrants eating dogs” thing as a meme and using it as a thing to show how β€œcrazy” Trump is is really rubbing me the wrong way. It might be because I personally know a lot of Hatian immigrants and work with them, but I feel like they’re completely undermining how dangerous the rhetoric is and how many people genuinely unironically believe it and it just makes me sad for my coworkers :/

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[–] [email protected] 8 points 3 days ago (1 children)

opened the blinds on the window behind my bed for the first time in a while and a huge wasp nest is nestled between the two window panes. what-the-hell

they've definitely been there at least a month or more so I guess if they haven't bothered me by now i'll just try to forget they're there.

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[–] [email protected] 13 points 4 days ago (2 children)

Friend group won't recognize how twisted I am, feels bad jokah

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[–] [email protected] 7 points 3 days ago

New pictographic theory: people used simplest symbol closest to their meaning.

Proof: if it’s not too far away I’ll use kitty-birthday-sad instead of sadness

Qed

[–] [email protected] 6 points 3 days ago (1 children)

oh you know how it is, he worked at olive garden and hooked me up with unlimited breadsticks, next thing you know we're married

wait what do you mean they're always unlimited with the purchase of an entrΓ©e?

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[–] [email protected] 6 points 3 days ago (2 children)

cri gone to a place bougie enough to shatter my impression that amaretto sours are nummy lemon juice, sparkling water, and amaretto drinks. apparently the "correct" way involves no bubbly, sour mix and bourbon and sucks shit

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[–] [email protected] 6 points 3 days ago

if i ever publish anything i am going to make up a convoluted joke relating to the topic and say "these facts suggest the origin of the familiar joke---[completely made up joke]"

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