Patent ID: 9428420
Filing Date: 2016-08-30
CPC Classification: B01F,B28C,C04B,Y02W

Claim Text:
1. A process of preparing a concrete, comprising in sequence the steps of: using a mixing tool, which includes a container and a tumbling mechanism in the container, to form a powder mixture by incorporating and tumbling cement and at least one or a combination of particulate pozzolanic material, non-pozzolanic material, and water-reducing superplasticizer in the container of the mixing tool; adding at least one or a combination of fine gravel, coarse gravel, and shear enhancers to the powder mixture to form a cement mixture; sealing the container of the mixing tool hermetically; mixing the cement mixture thoroughly in the hermetically sealed container of the mixing tool to form a uniformly-distributed concrete mixture; optionally adding sand to the uniformly-distributed concrete mixture; and adding liquid additives and mixing water with the uniformly-distributed concrete mixture with or without sand, the liquid additives being selected from the group consisting of defoamers and wetting agents in liquid form; wherein sand should be optionally added only after the step of mixing the cement mixture thoroughly in the hermetically sealed container of the mixing tool to form the uniformly-distributed concrete mixture.