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Slide 1Ingredients of Concrete Slide 2 A.PORTLAND CEMENT B.AGGREGATE – (Sand, Gravel, Crushed Rock) C.WATER - (Clean and Pure) D.ADMIXTURES- when necessary Slide 3 I. Portland…

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w w w . a s t m . o r g A S T M C o n S T r u C T i o n S T A n d A r d S : S u p p o r T i n g T h e B u i l d i n g i n d u S T r y ASTM Construction Standards: Supporting…