ASTM C 204 ASTM C 150 - آزمایشگاههای مهندسی عمران...ASTM C 204 ASTM C 150 m=(1- ) c V :m: kg/m3::V =3.14 kg/m3 , V=1.76214cm3 m=0.5 3.14 1.76214=2.77 gr c 1
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ASTM C 204
ASTM C 150
m=(1- ) c V
:m::kg/m3
:V=3.14 kg/m3 , V=1.76214cm3 m=0.5 3.14 1.76214=2.77 gr