Nov 19th, 2017 : Tappan Zee Bridge

Degrees · 11-20-2017, 06:19 PM

I don't like on that side of the USA, so I'd know nothing about the whole thing. Interesting pictures, and back story. Thank you.

I wonder how you recycle concrete though. If you grind it into a fine enough powder, can you mix it with water and pour it again? I thought concrete curing was an exothermic reaction.

xoxoxoBruce · 11-20-2017, 10:05 PM

No, it's ground up to the size of gravel and sold for the same uses. As cheap or cheaper than gravel, slightly higher price with a guaranty of no metal.

11-20-2017, 06:19 PM	#1
Degrees Resident Denizen Join Date: May 2001 Location: Visalia, CA Posts: 62	Thanks I don't like on that side of the USA, so I'd know nothing about the whole thing. Interesting pictures, and back story. Thank you. I wonder how you recycle concrete though. If you grind it into a fine enough powder, can you mix it with water and pour it again? I thought concrete curing was an exothermic reaction.

11-20-2017, 10:05 PM	#2
xoxoxoBruce The future is unwritten Join Date: Oct 2002 Posts: 71,105	No, it's ground up to the size of gravel and sold for the same uses. As cheap or cheaper than gravel, slightly higher price with a guaranty of no metal. __________________ The descent of man ~ Nixon, Friedman, Reagan, Trump.

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