M.test#3 : test method for unit weight ASTM C138

M.test#3 : Test method For Unit Weight ASTM C 138


This test method covers the weight of concrete per meter cube from air entrained machine
We can find unite weight of concrete by dividing the weight of concrete to volume of machine of machine g/cm*3

M.test#2 Air Entrained ASTM C138

M.test#2 : Test method for Air Entrained ASTM C138

This test method covers determination of the air content of freshly mixed concrete from observation of the change in volume of concrete with change in pressure