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Very few. According to David T. Briggs, P.E., writing in "Beyond the Towers: Performance of Masonry", "The towers (WTC 1 and WTC 2) collapsed in less than two hours, and another building in the complex (WTC 7) collapsed later in the afternoon. These buildings had few or no masonry components."
Wiki User
∙ 10y ago
Wiki User
∙ 13y agoBricks weren't used to build it. It is made of concrete and steel.
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What type of brick was used to build Empire State Building?
Bricks weren't used to build it. It is made of concrete and steel.
Why did they build the Empire State Building?
It was built to be the tallest building in the world (at its time.)
Who is idea was it to build the empire state building?
True Fact: William Frederick Lamb. He was in a competition making the Empire State Building the tallest building in the world.
Who was president when the empire state building was build?
Herbert Hoover
How do you build a masonry building?
With bricks
How many stones were used to build the Empire State Building?
concrete
How many blocks did it take to build the Empire State Building?
21,700,001
What materials did they use to build the Empire State Building?
steel beams
How long did the Empire State Building take to build?
It took 410 days, which is one year and 45 days to build the Empire State Building. That was over 200,000 hours of labor, during the course of roughly 14 months, to build what was the tallest building at that time.
How many months to build the Empire State Building?
It took approximately 1.5 years to build
Why did it take so long for someone to make a building taller than the Empire State Building?
The Empire State Building is pretty tall, man, so obviously to build one taller would take longer than the Empire State Building took.
How many tons of steel was needed to build the Empire State Building?
a lot...
