Cement is popular . . .Published on February 20th, 2009 | By: firstname.lastname@example.org
. . . because, for better or worse, it works and is relatively durable, at least on the scale of lifetimes:
The model-derived estimate of the “in-use” cement stocks in the United States is in the range of 4.2 to 4.4 billion metric tons (gigatonnes, Gt). This indicates that 82% to 87% of cement utilized during the last century is still in use. On a per capita basis, this is equivalent to 14.3 to 15.0 tonnes of in-use cement stock per person. The in-use cement stock per capita has doubled over the last 50 years, although the rate of growth has slowed.
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