China used more cement in 3 years than the U.S. did in the entire 20th Century

Re:China used more cement in 3 years than the U.S. did in th... by LeonRobrotsky on Tuesday March 24, 2015 @02:25PM (#9258439)

For anyone else that's curious, cement is mixed with water and some sort of aggregate to make concrete.

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Re:China used more cement in 3 years than the U.S. did in th... by spikels on Tuesday March 24, 2015 @03:17PM (#9258784)

Don't forget the sand, which is technically an aggregate[1]. Using the wrong sand is a classic mistake being rediscovered in China:

[1]-The concrete recipes I remember always had sand and rocks, gravel and/or pebbles (depending on local availability)

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Re:China used more cement in 3 years than the U.S. did in th... by jacquesm on Tuesday March 24, 2015 @03:53PM (#9259002)

Yes, you want coarsely crushed ('sharp') sand, not sand that has better decorative qualities.

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