Title:
TWO MATERIAL-TYPE READY-MIX SHIPPED RAPID-HARDENING CONCRETE MATERIAL AND READY-MIX SHIPPED RAPID-HARDENING CONCRETE COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2022/092081
Kind Code:
A1
Abstract:
Provided is a two material-type ready-mix shipped rapid-hardening concrete material that is suitable for manufacturing a ready-mix shipped rapid-hardening concrete composition with high practicality, said composition showing excellent initial strength development while ensuring a sufficient pot life even in a low-temperature environment. The two material-type ready-mix shipped rapid-hardening concrete material according to the present invention comprises material A that contains a rapid-hardening cement and a sleeping agent and material B that comprises a hardening accelerator containing aluminum, sulfur, sodium and fluorine, wherein the material B has a natroalunite content of 0.3-5 mass%.
Inventors:
AIZAWA KAZUHIRO (JP)
HARA HIROFUMI (JP)
MORI TAIICHIRO (JP)
HARA HIROFUMI (JP)
MORI TAIICHIRO (JP)
Application Number:
PCT/JP2021/039475
Publication Date:
May 05, 2022
Filing Date:
October 26, 2021
Export Citation:
Assignee:
DENKA COMPANY LTD (JP)
International Classes:
C04B28/02; C04B22/08; C04B22/10; C04B22/14; C04B24/06; C04B103/14
Domestic Patent References:
| WO2018154890A1 | 2018-08-30 | |||
| WO2020039908A1 | 2020-02-27 |
Foreign References:
| JP2007045654A | 2007-02-22 | |||
| JP2014152055A | 2014-08-25 | |||
| JP2014152058A | 2014-08-25 | |||
| JPH1121160A | 1999-01-26 | |||
| JP6785389B1 | 2020-11-18 |
Attorney, Agent or Firm:
TAGUCHI, Masahiro et al. (JP)
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