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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  • GalaxyBrain [they/them]
    ·
    4 months ago

    If you were to recommend some digimon to a still massive fan of season 1-3 that isn't tri or the adventure revival cause I saw them already what would you pick? Bear in mind I'm 33 and am not much of a Shonen enjoyer. I like seasons one and two cause they're still fun, nostalgia and their quality as a kids show, as in if I had kids I'd be stoked if they watched digimon seasons 1 and 2 cause I really think children will learn some life stuff that is aimed at the ages of the characters, the first season came out when I was in 2nd grade, right in the gen 1 Pokémon hype and I can recall we all thought it was called Ogimon cause the fox kids trailers did a kind of a Gabbo style promotion where they'd play an instrumental of the English theme with the name gradually spelled letter by letter and the D looked like an O. Anyway, I fondly recalled it as a show that didn't patronize me as much as other kids shows and dealt with some real shit in a way NO kids show ever did. I can remember my parents walking in on the episode after Ken stopped being the Digimon emperor where it's full family melodrama and them seeing Ken's mom crying and saying 'I think we failed as parents ' and asking what the hell fox kids was waiting cause this seemed heavy for a kids show. Then season 3 happened and they said that every time. My friend's kid who is now not a kid and I feel old watched it with me when I was 'babysitting' her and she loved it too and her mom was hyped at how much hard shit kids need to deal with is addressed in the show. Digimon are the champions.

    • SpiderFarmer [he/him]
      ·
      4 months ago

      While the anime kinda struggled after season 3 (with many of the games picking up the slack in terms of quality), I could recommend 3 with ease even so.

      1. Digimon Appmon. Despite its enthusiasm for AI and phone apps making it poorly aged in some obvious respects, it has a strong cast with strong relationships. There's clearly points where various plotlines or twists were cut, but it's a strong story past the handful of slow episodes at the start. A better show to watch with kids, considering it handles important topics while not getting too weird.

      2. Digimon Ghost Game. In many ways, this feels like Appmon with far worse pacing. Even so, I like it for leaning into having less of a running plot (forgetting that term) and is more monster-of-the-week with some slice of life elements tossed in. It's horror-based as well (clearly not aiming for a wide audience with this one), with some of the episodes not really being family friendly. Hell, the Mushroomon/Chamblemon one should come with a trigger warning. In any case, I really love the smaller cast. Everyone gets a moment to shine and the VA work is great.

      3. Digimon Data Squad. It involves Human/Digimon pairs acting as cops, with the main character being an MMA enthusiast who powers up his Agumon by literally punching enemy Digimon. It's dumb, but doesn't try too hard to be anything else. That of course means it's more shonen-material, of course.