Stabilizing the quality of ultra-high-strength concrete exceeding 200 N
First written in FY2018. 3 of 4 entries say "Advanced", first in FY2019. Latest entry: FY2022.
0 other companies' latest entry also says "Advanced".
- FY2022AdvancedAnnual report
「High-strength concrete (Fc60–120): General certification by the Minister of Land, Infrastructure, Transport and Tourism, August 2021」
The Company obtained general certification from the Minister of Land, Infrastructure, Transport and Tourism for Fc60–120 high-strength concrete in August 2021. - FY2020AdvancedAnnual report
「High-strength concrete (Fc60–150): General certification by the Minister of Land, Infrastructure, Transport and Tourism, March 2020」
The Company obtained general certification from the Minister of Land, Infrastructure, Transport and Tourism for Fc60–150 high-strength concrete in March 2020. - FY2019AdvancedAnnual report
「• High-strength concrete (Fc39–120): General certification by the Minister of Land, Infrastructure, Transport and Tourism, August 2018 • High-strength concrete (Fc80–120): General certification by the Minister of Land, Infrastructure, Transport and Tourism, March 2019」
The Company obtained general certification from the Minister of Land, Infrastructure, Transport and Tourism for high-strength concrete in August 2018 and March 2019. - FY2018First statedAnnual report
「The Company established a method for evaluating the workability of fresh concrete based on the specific surface area of silica-fume blended cement and silica fume, used as a supplementary cementitious material, for concrete with a specified design strength of 200 N/mm2.」
The Company established a workability evaluation method for concrete in the 200 N/mm2 class, enabling stable-quality production.