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A platform for research: civil engineering, architecture and urbanism
STEEL FIBER AND FIBER REINFORCED CONCRETE COMPOSITE INCLUDING SAME
The present invention relates to a steel fiber and fiber reinforced concrete including the same. A fiber reinforced concrete composite according to the present invention comprises: cement; 20 to 30 parts by weight of an admixture of zirconium-containing silica fine powder having a specific surface area of 85,000 to 120,000 cm2/g and metakaolin having a specific surface area of 10,000 to 20,000 cm2/g mixed at a ratio of between 2:1 and 3:1 with respect to 100 parts by weight of the cement; 100 to 130 parts by weight of sand with respect to 100 parts by weight of the cement; 10 to 25 parts by weight of stone flour having a fineness of 3,000 to 4,000 cm2/g with respect to 100 parts by weight of the cement; and steel fiber, wherein the steel fiber is blended in an amount that is 2 to 5% of the total volume, is coated with copper (Cu), has a diameter of 0.2 to 0.5 mm, a length of 10 to 15 mm, a tensile strength of 2,500 to 3,000 MPa, and is in a coil spring type.
La présente invention concerne une fibre d'acier et un béton renforcé par des fibres la comprenant. Un composite de béton renforcé par des fibres selon la présente invention comprend : du ciment ; 20 à 30 parties en poids d'un mélange de poudre fine de silice contenant du zirconium présentant une surface spécifique de 85.000 à 120.000 cm2/g et un métakaolin présentant une surface spécifique de 10.000 à 20.000 cm2/g mélangés dans un rapport entre 2:1 et 3:1 par rapport à 100 parties en poids du ciment ; 100 à 130 parties en poids de sable par rapport à 100 parties en poids du ciment ; 10 à 25 parties en poids de farine de pierre présentant une finesse de 3000 à 4000 cm2/g par rapport à 100 parties en poids du ciment ; et de la fibre d'acier, la fibre d'acier étant mélangée en une quantité qui représente 2 à 5 % du volume total, étant revêtue de cuivre (Cu), présentant un diamètre de 0,2 à 0,5 mm, une longueur de 10 à 15 mm, une résistance à la traction de 2500 à 3000 MPa et se trouvant sous forme d'un type de ressort hélicoïdal.
본 발명은 콘크리트용 강섬유 및 이를 포함하는 섬유보강 콘크리트에 관한 것이다. 본 발명에 따른 섬유보강 콘크리트 복합체는 시멘트, 상기 시멘트 100 중량부 대비 비표면적 85,000 ~ 120,000cm2/g을 가진 지르코늄 함유 실리카질 미분말과 비표면적 10,000 ~ 20,000 cm2/g을 가진 메타카올린을 2:1 ~ 3:1의 비율로 섞은 혼화재 20 ~ 30 중량부, 상기 시멘트 100 중량부 대비 모래 100 ~ 130 중량부, 상기 시멘트 100 중량비 대비 분말도 3,000 ~ 4,000cm2/g을 가진 석분 10 ~ 25 중량부 및 강섬유를 포함하고, 상기 강섬유는 전체체적대비 2~ 5%가 배합되고, 구리(Cu) 코팅이 되고, 직경이 0.2 ~ 0.5mm 이고, 길이가 10 ~ 15mm이고, 인장강도가 2,500 ~ 3,000Mpa이고, 코일 스프링(Coil Spring) 타입인 것을 특징으로 할 수 있다.
STEEL FIBER AND FIBER REINFORCED CONCRETE COMPOSITE INCLUDING SAME
The present invention relates to a steel fiber and fiber reinforced concrete including the same. A fiber reinforced concrete composite according to the present invention comprises: cement; 20 to 30 parts by weight of an admixture of zirconium-containing silica fine powder having a specific surface area of 85,000 to 120,000 cm2/g and metakaolin having a specific surface area of 10,000 to 20,000 cm2/g mixed at a ratio of between 2:1 and 3:1 with respect to 100 parts by weight of the cement; 100 to 130 parts by weight of sand with respect to 100 parts by weight of the cement; 10 to 25 parts by weight of stone flour having a fineness of 3,000 to 4,000 cm2/g with respect to 100 parts by weight of the cement; and steel fiber, wherein the steel fiber is blended in an amount that is 2 to 5% of the total volume, is coated with copper (Cu), has a diameter of 0.2 to 0.5 mm, a length of 10 to 15 mm, a tensile strength of 2,500 to 3,000 MPa, and is in a coil spring type.
La présente invention concerne une fibre d'acier et un béton renforcé par des fibres la comprenant. Un composite de béton renforcé par des fibres selon la présente invention comprend : du ciment ; 20 à 30 parties en poids d'un mélange de poudre fine de silice contenant du zirconium présentant une surface spécifique de 85.000 à 120.000 cm2/g et un métakaolin présentant une surface spécifique de 10.000 à 20.000 cm2/g mélangés dans un rapport entre 2:1 et 3:1 par rapport à 100 parties en poids du ciment ; 100 à 130 parties en poids de sable par rapport à 100 parties en poids du ciment ; 10 à 25 parties en poids de farine de pierre présentant une finesse de 3000 à 4000 cm2/g par rapport à 100 parties en poids du ciment ; et de la fibre d'acier, la fibre d'acier étant mélangée en une quantité qui représente 2 à 5 % du volume total, étant revêtue de cuivre (Cu), présentant un diamètre de 0,2 à 0,5 mm, une longueur de 10 à 15 mm, une résistance à la traction de 2500 à 3000 MPa et se trouvant sous forme d'un type de ressort hélicoïdal.
본 발명은 콘크리트용 강섬유 및 이를 포함하는 섬유보강 콘크리트에 관한 것이다. 본 발명에 따른 섬유보강 콘크리트 복합체는 시멘트, 상기 시멘트 100 중량부 대비 비표면적 85,000 ~ 120,000cm2/g을 가진 지르코늄 함유 실리카질 미분말과 비표면적 10,000 ~ 20,000 cm2/g을 가진 메타카올린을 2:1 ~ 3:1의 비율로 섞은 혼화재 20 ~ 30 중량부, 상기 시멘트 100 중량부 대비 모래 100 ~ 130 중량부, 상기 시멘트 100 중량비 대비 분말도 3,000 ~ 4,000cm2/g을 가진 석분 10 ~ 25 중량부 및 강섬유를 포함하고, 상기 강섬유는 전체체적대비 2~ 5%가 배합되고, 구리(Cu) 코팅이 되고, 직경이 0.2 ~ 0.5mm 이고, 길이가 10 ~ 15mm이고, 인장강도가 2,500 ~ 3,000Mpa이고, 코일 스프링(Coil Spring) 타입인 것을 특징으로 할 수 있다.
STEEL FIBER AND FIBER REINFORCED CONCRETE COMPOSITE INCLUDING SAME
FIBRE D'ACIER ET COMPOSITE DE BÉTON RENFORCÉ PAR DES FIBRES LA COMPRENANT
강섬유 및 그를 포함하는 섬유보강 콘크리트 복합체
CHOI HYUN-SEOK (author) / KIM PHILIP (author)
2018-09-27
Patent
Electronic Resource
Korean
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