The apparatus consists of a pressure tight flanged cylindrical measuring bowl of specified volume in accordance with size of aggregate to be tested. The bowl is fitted with a removable flanged conical cover assembly with the help of a airtight...
Air Entrainment Meters (AIM 340, AIM 341, AIM 342) Ref Std :IS 1199/1079, BS 1881, EN 12350-7 Entrainment of a small amount of air in the cement/concrete has been found to improve considerably the durability of concrete. The recommended limits...
air content of fresh concrete is normally measured, by the use of a special air meter, to assess whether the concrete contains the required amount of air. This would be measured when air’s entrapment or entrainment is required by the concrete...
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