There is provided a process for producing concrete, comprising: in producing concrete, previously providing at least one premix composition for a concrete mix, which has been measured and prepared by automatic control means according to properties required of the concrete; and kneading and mixing the previously provided premix composition for a concrete mix with cement, coarse aggregate, fine aggregates, and water. There is also provided a standardizing system for concrete production, characterized by comprising: measuring constituents of a premix composition for a concrete mix with an automatic control device; mixing these constituents together essentially without through human power to prepare a premix composition for a concrete mix according to properties required of the concrete; storing the premix composition; measuring the mass of a slurry composition of the premix composition with an automatic control device essentially without through human power; and kneading and mixing the slurry composition with cement, coarse aggregate, water, and a chemical admixture. There is further provided a standardizing system for concrete production in a concrete production plant, comprising kneading and mixing the above slurry composition of the premix composition with cement, coarse aggregate, fine aggregate and water in the concrete production plant.Concrete satisfying designed and planned property requirements can be provided in an easy and stable manner.

 
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