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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[–] Wmill@hexbear.net 7 points 7 months ago (6 children)

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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[–] HarryLime@hexbear.net 7 points 7 months ago (2 children)
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[–] SpiderFarmer@hexbear.net 7 points 7 months ago (1 children)

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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[–] homhom9000@hexbear.net 7 points 7 months ago (1 children)

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 7 months ago (2 children)

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

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[–] AndJusticeForAll@hexbear.net 7 points 7 months ago* (last edited 7 months ago)

Non-westoids on here, are the streets littered with furniture ruined by pets where you live every spring/fall too? The amount of waste from people buying cheap-ass furniture, there being no repair capacity/culture, and people getting pets that they either can't or won't train or control is too much.

[–] hexaflexagonbear@hexbear.net 6 points 7 months ago (2 children)

About people whining they broke their tailbone because the entire slope is icy: they don't want powder, they just want to endlessly critique powder.

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[–] Dolores@hexbear.net 6 points 7 months ago

TimeGuessr #468 40,525/50,000

🌎🟩🟩🟨 πŸ“…πŸŸ©β¬›β¬›

🌎🟩🟩🟨 πŸ“…πŸŸ©πŸŸ©πŸŸ¨

🌎🟩🟩🟨 πŸ“…πŸŸ©πŸŸ©πŸŸ©

πŸŒŽβ¬›οΈβ¬›οΈβ¬›οΈ πŸ“…πŸŸ©πŸŸ©πŸŸ¨

πŸŒŽπŸŸ©πŸŸ¨β¬›οΈ πŸ“…πŸŸ©β¬›β¬›

spoilereating fucking shit, death to switserland and death to canada. clever shittheel must be smiling with shit through their teeth putting up edmonton with the only identifiable location-name montreal

[–] Goblinmancer@hexbear.net 6 points 7 months ago (3 children)
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[–] Goblinmancer@hexbear.net 6 points 7 months ago (3 children)

Space marine being men only should be explained by totally arbitary reasons like "girls have cooties".

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[–] hexaflexagonbear@hexbear.net 6 points 7 months ago (2 children)

I have so many issues with my work thinkpad. These things used to be indestructible, now if I drop my concentration and let myself daydream for a bit external displays stop working for no discernible reason.

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[–] hexaflexagonbear@hexbear.net 6 points 7 months ago (4 children)

After tinkering with my work thinkpad for over an hour, it turns out the nvidia drivers was fine, the external monitors are controlled by intel graphics drivers which were corrupt a-guy

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