US 12,404,213 B2
Composition containing aggregate, binder, and water
Taku Matsuda, Tokyo (JP); Akio Kasuga, Tokyo (JP); and Ryo Sakamoto, Tokyo (JP)
Assigned to SUMITOMO MITSUI CONSTRUCTION CO., LTD., Tokyo (JP)
Appl. No. 18/005,596
Filed by SUMITOMO MITSUI CONSTRUCTION CO., LTD., Tokyo (JP)
PCT Filed Mar. 31, 2021, PCT No. PCT/JP2021/013823
§ 371(c)(1), (2) Date Jan. 13, 2023,
PCT Pub. No. WO2022/014108, PCT Pub. Date Jan. 20, 2022.
Claims priority of application No. PCT/JP2020/027872 (WO), filed on Jul. 17, 2020.
Prior Publication US 2023/0339810 A1, Oct. 26, 2023
Int. Cl. C04B 20/00 (2006.01); C04B 18/06 (2006.01)
CPC C04B 20/0076 (2013.01) [C04B 18/067 (2013.01)] 14 Claims
 
1. A composition containing binder, aggregate, and water, wherein the aggregate contains:
small-diameter aggregate classified into particle diameters of 300 μm or more and less than 1.18 mm;
medium-diameter aggregate classified into particle diameters of 1.18 mm or more and less than 4.75 mm; and
large-diameter aggregate classified into particle diameters of 4.75 mm or more and 5 mm or less; wherein
a ratio of volume of water to a sum of volume of the binder and volume of aggregate having particle diameters of 5 mm or less is 15% or more and 26% or less, and the small-diameter aggregate, the medium-diameter aggregate, and the large-diameter aggregate each have a BET specific surface area of 0.4 (m2/g) or less.