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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.

  •  Stacy 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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[-] Wmill@hexbear.net 7 points 2 months ago

no-copyright Big the Cat in secret rings is great, like I miss playing as him from Adventure 1 and Heroes but him just showing up doing his own thing was fun. Big reason I don't like Adventure 2 Battle getting rid of his cameos was not cool.

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[-] LocalOaf@hexbear.net 7 points 2 months ago

"Jazz TOOTBLAN," statements that sound like utterly deranged gibberish but are actually legible baseball commentary

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[-] plinky@hexbear.net 7 points 2 months 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

[-] DragonBallZinn@hexbear.net 7 points 2 months ago

This may be stupid, but former manchildren that got their shit together. How do I start with that process? Two things in particular come to mind, If there’s anything I should prioritize, anywhere to start I’d love hear it.

How do you find a good fitting career path? I have no idea what to do and I’m running out of time but everyone and their mother seems to be able to disregard all life possibilities save for one as teenagers.

I am legit an absolute bore to be around. I have no patience in learning skills, my autism makes me painful to talk to, and I’m not really interested in anything. Even anime and vidya aren’t fun anymore and I feel like a walking zombie. How do I make myself less boring of a person? How do I get myself to like stuff and like doing stuff?

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[-] GalaxyBrain@hexbear.net 7 points 2 months ago* (last edited 2 months ago)

I think it's settled, Rudimentary Peni is the greatest band ever

[-] Frank@hexbear.net 7 points 2 months 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.

[-] Wmill@hexbear.net 7 points 2 months ago

You watch and play so many no-copyright vids/games that you find yourself pretty deep down the iceberg. All this knowledge separates you from the uninitiated but damn if going down a special interest pipeline isn't fun party-blob

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[-] Redcuban1959@hexbear.net 7 points 2 months ago
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[-] rhubarb@hexbear.net 7 points 2 months ago

Each creature you tap while casting this spell pays for {1} or one mana of that creature's color these days, because of convoke

[-] WhatDoYouMeanPodcast@hexbear.net 7 points 2 months ago

I am hungry because of my diet but I'm losing weight and I'm seeing lines on my body. It makes everything more difficult though. But for some reason it feels good. It's like I'm winning and I like to win.

[-] SpiderFarmer@hexbear.net 7 points 2 months ago

I hopped into a Gamestop just in case Dunsparce merch might exist. Nothing of that sort, but the owner started an excited rant about how Gamestop was pivoting to figurines and the like, with the back room stock full of stuff like Deadpool funko pops. It's 2016 again.

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[-] AmericaDelendaEst@hexbear.net 7 points 2 months ago

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

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[-] homhom9000@hexbear.net 7 points 2 months ago

Tried the respectable approach talking to a lib who believed in right to return and isreal is a victim because of Oct. 7. Provided neutral sources and everything but it didn't work. Oh well, I'll still use this same approach as long as they stay respectable too because catching flies with honey over vinegar or whatever.

[-] Frank@hexbear.net 7 points 2 months ago

That saying is funny because apple cider vinegar works much, much better than anything else.

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[-] Moonworm@hexbear.net 7 points 2 months ago
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this post was submitted on 11 Sep 2024
171 points (89.0% liked)

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