crushed stone size 67 astm d448
67 ( to mm), No. ... Coarse aggregate size 89 (⅜in. or top size) has been used extensively for ... Both rounded aggregate (gravel) and angular aggregate (crushed stone) have been used to produce pervious concrete. Aggregate for pavements should conform to ASTM D 448, while ASTM C 33 covers... More details » Get Price
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