Crushed Concrete Aggregate| Concrete Construction Magazine .Jun 30, 2011 . The hardened concrete is crushed and graded to ASTM C33 #67. The mix used for the Green Mile Project is composed of 30% CCA and 70% line aggregate. The mix includes a 40% replacement of portland cement with SCMs and uses recycled water from truck washout and stormwater.سحق ملموسة الأسمنت,سحق ملموسة الأسمنت,Crushed Cement Concrete Substitution - USGS Publications .An analysis of the substitution of crushed cement con- crete for natural construction aggregates is performed by using a materials flow diagram that tracks all material flows into and out of the cement concrete portion of the products made with cement concrete: highways, roads, and buildings. Crushed cement concrete is.
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