One World Trade Center

World’s tallest building-to-be’s got 99 problems, and concrete’s one

By Jessica McMathis / March 5, 2014

Construction of the $1.23-billion Kingdom Tower—a proposed 3,280-foot-tall tower with 200 floors—has begun and developers are faced with many challenges, including how to pump concrete more than half a mile into the sky.

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Other materials stories that may be of interest

By Jim Destefani / October 7, 2013

Other materials stories that may be of interest.

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