'On September 11, 2001, the Statess initiation switch Centers was attacked by a faceless enemy, and the peck of America stood in blast and mourning. On lookers watched in horror and disbelief, struggle to comprehend what was happening. tho at the quantify there was no answer. All everyplace the country people turned on their televisions and watched as a nonher(prenominal) Bowing 767 scattered into the minute tower. The question thats in the rachis of my head is wherefore did the expression disclose after the skim overs crashed into the towers? If the engineers and architects had intentional the Twin Towers otherwise could a disaster like this progress to been avoided?\n\nThe World Trade Center was reinforced close to columns that were nigh spaced around the perimeter of the towers. Engineers employ light burden steel trusses between the elevator and the columns of each(prenominal) stage. The trusses were designed to punt the concrete traumatise and tie in co ncert the perimeter to the force of the building. After the planes sign reach nonexistence thought the unaccepted was going to happen. visually you could tell the crash destroyed umpteen floors and took off a significant telephone number of columns. After the planes crashed the green go off enflamed the building with temperatures the building could not withstand. The sprinkler arrangements in buildings much(prenominal) as these be designed to drop out patch fires, not explosions caused by a plane crash. Eventually, the fire slashed the structure of the skyscraper, and have with the damage of the impact, caused the floors to kick in one floor after other leaving john a luck of steel and corporation.\n\n more than 2,200 people died in the 9-11 tragedy because they were confine above the crashed floors. The stair puff ups were fill with sheetrock and burning materials. This detritus completely impede the stairwells and prevented evacuation. This wallboard carcas s was very well engineered for a fire, tho not a fire that was caused by the impact of a 767. The initial impact was great abundant to collapse this system which would have stop fire and smoke from spreading to the stairwells. at a time theses walls where breached, the victims had no chance. there is also the casualty the breached walls allowed the burning fuel to reach the stairwells.\n\nWhats the answer to this chore? Its as simple as building stronger walls do of either wise steel or...If you trust to get a full essay, sound out it on our website:
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