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How the World's Next Tallest Building Will Be Built

How the World s Next Tallest Building Will Be Built


The hardest part is pumping concrete more than a half mile up.

There are all kinds of reasons why this is the first item on the engineering agenda. First of all, the tower's foundation will be 200 feet deep—and it has to withstand the salt water of the nearby ocean. One of the major things ACTS will test is the strength of different high-performance concretes—the most essential piece of the puzzle, along with the steel itself.

Up top, things are more complicated: To pour each successive floor, crews will have to pump millions of tons of concrete through a thin, pressurized tube—generally about six inches wide—to be poured by crews above. And gravity, as you might expect, does not get along well with wet concrete.

Stashed in: Middle East

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I had to look up where it is:

A crucial step towards building the next tallest building on Earth is underway: Engineers on the Kingdom Tower, a proposed 3,280 foot tower in Jeddah, Saudi Arabia, are beginning tests to figure out how to pump wet concrete more than half a mile into the sky.

What's the deal with the Middle East and tall buildings?

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