Title:
METHOD FOR MANUFACTURING CONCRETE
Document Type and Number:
Japanese Patent JP2023097233
Kind Code:
A
Abstract:
To improve durability of a concrete structure and to suppress conversion into industrial waste of concrete by delaying hardening time of the concrete to eliminate a poured joint of the concrete.SOLUTION: A method for manufacturing concrete comprises: a manufacturing process for manufacturing ordinary concrete by using cement; an addition process for adding an additive comprising zinc oxide and basic copper carbonate in mass ratio of 2:1 to the concrete manufactured in the manufacturing process in an amount of 0.2% of weight of the cement; and a stirring process for stirring the concrete and the additive after addition.SELECTED DRAWING: Figure 4
Inventors:
OSONE YUTA
Application Number:
JP2021213492A
Publication Date:
July 07, 2023
Filing Date:
December 27, 2021
Export Citation:
Assignee:
SHIBUYA KENZAI KK
International Classes:
B28C7/04; C04B22/06; C04B22/10; C04B28/02
Domestic Patent References:
| JPH038748A | 1991-01-16 | |||
| JP2001348255A | 2001-12-18 | |||
| JPS54114531A | 1979-09-06 |
Foreign References:
| WO2020110284A1 | 2020-06-04 |
Attorney, Agent or Firm:
Kiyoshi Kato
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