Title:
QUALITY MANAGEMENT METHOD AND QUALITY MANAGEMENT DEVICE FOR CONCRETE EQUIVALENT TO BLAST FURNACE CEMENT A KIND
Document Type and Number:
Japanese Patent JP2022181463
Kind Code:
A
Abstract:
To provide a method and a device in which, when concrete equivalent to a blast furnace cement A kind is produced using Portland cement and a blast furnace cement B kind, the quality of the concrete can be managed and confirmed.SOLUTION: A quality management method for concrete equivalent to a blast furnace cement A kind comprises steps in which: with the target masses of Portland cement and a blast furnace cement B kind as a first target mass and a second target mass, respectively, the Portland cement and the blast furnace cement B kind are weighed based on the first and second target masses (S2); the weighed Portland cement and blast furnace cement B kind, water, an aggregate and a chemical admixture are kneaded to manufacture concrete equivalent to a blast furnace cement A kind (S7); and the respective mass measured values of the weighed Portland cement and blast furnace cement B kind are recorded in a storage device in association with identification information of the concrete (S5).SELECTED DRAWING: Figure 2
Inventors:
KANEKO SHIGE
OKURA MASATO
OKURA MASATO
Application Number:
JP2021088414A
Publication Date:
December 08, 2022
Filing Date:
May 26, 2021
Export Citation:
Assignee:
HASEGAWA KOMUTEN KK
International Classes:
B28C7/04; E04G21/02
Attorney, Agent or Firm:
Minoru Hotta
Toshihiro Nomura
Toshihiro Nomura