Title:
STEEL FIBER AND FIBER REINFORCED CONCRETE COMPOSITE INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2018/174430
Kind Code:
A1
Abstract:
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.
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Inventors:
CHOI HYUN-SEOK (KR)
KIM PHILIP (BR)
KIM PHILIP (BR)
Application Number:
PCT/KR2018/002635
Publication Date:
September 27, 2018
Filing Date:
March 06, 2018
Export Citation:
Assignee:
CHOI HYUN SEOK (KR)
JANGSUNG IND CO LTD (KR)
WES TEC GLOBAL CO LTD (KR)
JANGSUNG IND CO LTD (KR)
WES TEC GLOBAL CO LTD (KR)
International Classes:
C04B14/48; B28C7/02; C04B14/04; C04B14/06; C04B14/10; C04B18/12; C04B20/00; C04B20/10; C04B40/00; C04B111/34
Foreign References:
| KR101365664B1 | 2014-02-20 | |||
| KR20120055119A | 2012-05-31 | |||
| KR20140046175A | 2014-04-18 | |||
| KR200386266Y1 | 2005-06-10 | |||
| KR101365684B1 | 2014-02-19 |
Attorney, Agent or Firm:
LEE, Sung Woo (KR)
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