DOUBLE MIXING METHOD

• Main Authors: ITO YUJI, TAMURA TADAAKI, SAKURAI SEIICHI
• Format: Patent
• Language: English
• Published: 30.08.2012
• Subjects: PERFORMING OPERATIONS; PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL,e.g. PLASTER; TRANSPORTING; WORKING CEMENT, CLAY, OR STONE

PROBLEM TO BE SOLVED: To provide a double mixing method that can secure properties and quality such as a slump value and a flow value of fresh concrete (or mortar) to certainly obtain superior characteristics after a secondary mixing.SOLUTION: The production of mortar and concrete is carried out by forming a strong shell construction in the aggregate surroundings by separating the mixing water into the primary water and the secondary water, adding the primary water to the aggregate, carrying out adjustment mixing at an isolated location from the concrete/mortar placing location of the construction site, by adding the secondary water to the primary mixed product produced by the primary mixing until carry in it to the concrete/mortar placing location and carrying out primary mixing by adding hydraulic setting substance of the powder, and carrying out secondary mixing on the way of conveyance to the concrete/mortar placing location.