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Chris 249 said..
Oh, yeah Pete, because you are a genius who knows all about the way buildings collapse.
Oh sorry, no, in fact you made it clear here that you know nothing about structures, you knew nothing about the pancaking of Ronan Point, the Sampoon Building, L'Ambiance or other buildings. But you are such a dishonest person that you will throw vile insults at investigators while whining hypocritically about the treatment you get here.
When conspiracy theorists behave like you do, they deserve all the contempt they get.
By the way, exactly how many major companies have you helped to bring down? How many people in positions of power have you brought to task? If you actually wanted to make the world a better place by investigating things you'd have actually done something to get rid of dickheads instead of ranting on the internet.
Interesting use of examples; Ronan Point, Sampoon and L'Ambience.
Not too much in common with building 7, Ronan Point was a gas explosion that DID NOT collapse the entire building; L'Ambience happened during construction, and Sampoong was altered a few times during construction, and did not fully collapse.
Ronin Point:
www.theguardian.com/society/from-the-archive-blog/gallery/2018/may/16/ronan-point-tower-collapse-may-1968At around 6am on 16 May 1968, Mrs Ivy Hodge, a tenant on the 18th floor, leaned over her cooker and struck a match. Instantly, an explosion blew out the pre-cast concrete panels which formed the side of the building and the entire end of the block collapsed like a house of cards. Mrs Hodge - and gas cooker - survived. (Archive ref: OBS/6/9/3/1/1/D).
L Ambience:
connecticuthistory.org/the-collapse-of-the-lambiance-plaza/In the weeks and months that followed the accident, a number of theories emerged as to the cause of the collapse. These theories included catastrophic failure due to a bent support column, an improper alignment of the columns, cracks in the concrete layers, improper curing of the concrete, and a malfunctioning hydraulic lift. But others suspected that carelessness, as well as the building design itself (which had been modeled on 13 other structures built in Connecticut since the early 1970s), ultimately deserved the blame.
Sampoong:
www.theguardian.com/cities/2015/may/27/seoul-sampoong-department-store-disaster-history-cities-50-buildingsBut it didn't enter construction as a department store: the original plan called for a large four-storey apartment complex. After work had already begun, owner Lee Joon, in the first of many ill-considered decisions, switched the project from a residential one to a commercial one, a conversion which necessitated the removal of support columns to make room for escalators. When the contractors balked at this, Lee exchanged them for a more obedient in-house crew.
Using a building of this size entirely as a department store went against zoning regulations, which Lee circumvented by ordering the addition of a skating rink on an originally unplanned-for fifth floor. Again, when the first building company he hired advised against such a structure-compromising modification, he simply sacked them. The firm that did build the fifth floor even went along when he changed his mind once again, turning it into a gallery of restaurants heated by a system of under-floor hot-water pipes, increasing the stress on the already overburdened columns remaining.
Still, the Sampoong Department Store might stand today if not for the air-conditioning machinery installed on top. When tenants of neighbouring buildings to the east complained about the noise it made, management moved the three units to the west, not by lifting them with cranes, but by dragging them - their combined 45-tonne weight four times what the building was designed to handle - all the way across the roof. This opened up cracks that widened each and every morning the air conditioners clicked on and vibrated to life over the next two years.
Then came the morning of 29 June 1995. The structure's visible cracks had widened alarmingly and continued to do so as the day wore on, provoking enough concern to force two executive decisions: first, to switch off the air conditioning, and second, to close the top floor. But Lee refused to evacuate the day's unusually large and lucrative shopping crowd, and so in the store they remained at 5:52 pm, when the air-conditioning units fell through the roof and the support columns gave way, resulting in the deadliest building collapse since antiquity.
A bunch of other high rise buildings that were heavily burnt but did not collapse.
911research.wtc7.net/wtc/analysis/compare/fires.html#caracastowerGrenfell Tower in the U.K:
www.abc.net.au/news/2019-10-30/lfb-worsened-grenfell-tower-blaze-death-toll/11651716Here is what happens when 1 or more "beams are displaced", not total collapse:
www.theguardian.com/us-news/2015/apr/13/oklahoma-city-bombing-20-years-later-key-questions-remain-unansweredThis is what happens when you blow up a 1,200lb truck bomb under a skyscraper:
edition.cnn.com/2013/11/05/us/1993-world-trade-center-bombing-fast-facts/index.htmlFacts
The explosion created a hole 200 feet by 100 feet, several stories deep. It caused the PATH station ceiling to collapse.
The 1,200-pound bomb was in a Ryder truck parked in a parking garage beneath the World Trade Center.