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Characteristics of Restrained Drying Shrinkage Cracking of Amorphous Steel Fiber-Reinforced Concrete
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 Title & Authors
Characteristics of Restrained Drying Shrinkage Cracking of Amorphous Steel Fiber-Reinforced Concrete
Kim, Seon-Du; Choi, Kyoung-Kyu; Choi, Se-Jin;
 
 Abstract
In this study, free and restraint drying shrinkage tests of conventional and amorphous steel fiber-reinforced concrete were performed to investigate the shrinkage characteristics. To consider the effect of restraint condition of concrete on shrinkage cracking, three different test setups were used: ring type restraint test according to ASTM C 1581-04, dumbbell type restraint test according to KS F 2595, and modified dumbbell type restraint test with notches. Crack widths and strain profiles acquired from the tests were compared and investigated. The test results showed that the addition of amorphous steel fibers with 0.2-0.4% volume fraction into concrete resulted in 30% reduction of free drying shrinkage, 3-5 days delay of crack development time, and 20-60% reduction of crack width. Thus, it can be concluded that the amorphous steel fibers can be used for the purpose of crack control of concrete shrinkage cracking.
 Keywords
Drying shrinkage cracking;Amorphous steel fibers;Degree of restraint;Crack control;
 Language
Korean
 Cited by
1.
마이크로 강섬유 콘크리트를 적용한 연속 합성슬래브의 휨 및 균열 저항성능,황현종;박홍근;홍건호;김갑득;최세진;

한국콘크리트학회논문집, 2015. vol.27. 4, pp.387-397 crossref(new window)
 References
1.
Mehta, P. K., and Monteiro, P. J., "Concrete: Microstructure, properties and materials", 3rd edition, Mc Graw-Hill, Inc., New York, 2006.

2.
Benter, A. and Mindess, S., "Fiber-reinforced cementitious composites", Elsevier Science, London, 1990, pp. 1-4.

3.
최완철, 최경규, 최하진, 황용재, "비정질 강섬유 보강 콘크리트의 건조수축 균열평가모델", 대한건축학회논문집, 28권, 6호 2012, p.p. 59-66.

4.
Hameed, R. Turatsinz, A. Duprat, F., and Sellier. A., "Metalic fiber reinforced concrete : Effect of fiber aspect ratio on the flexural properties", ARPN Journal of engineering and applied science Vol. 4 No. 5, 2009, p.p. 67-72.

5.
미국 도로교통협회, AASHTO p.p.34-99, "Estimating the Cracking Tendency of Concrete", 2005.

6.
미국 표준협회, ASTM C 1581-04, "Standard Test Method for Determining Age at Cracking and Induced Tensile Stress Characteristics of Mortar and Concrete under Restrained Shrinkage", 2004.

7.
한국 표준협회, KS F 2595, "콘크리트의 건조 수축 균열 실험 방법", 2009.

8.
Grzybowski, M., and Shah, S. P., "Shrinkage cracking of fiber reinforced concrete", ACI Material Journal, Vol. 87, No. 2, 1990, p.p. 138-148.

9.
See, H. T., Attiogbe, E. K., and Miltenberger, M. A.. "Shrinkage Cracking Characteristics of Concrete Using Ring Specimens", ACI Materials Journal, Vol. 100, No. 3, 2003, p.p. 239-245.

10.
Shah, S. P., and Weiss, J., "Quantifying shrinkage cracking in fiber reinforced concrete using the ring test", RILEM Materials and Structures, November 2005, p.p. 887-899.

11.
김성배 외, "재생 PET 섬유가 혼입된 황토 콘크리트의 크리프 거동과 균열저항성에 관한 실험적 연구", 콘크리트학회논문집 21권, 3호, 2009, p.p. 265-273.

12.
류두열 외, "초고강도 콘크리트의 수축 균열 특성 및 구속도 평가" 대한건축학회논문집, 22권 5호 2010, p.p. 641-650.

13.
김규용 외, "판상-링형 및 아령형 구속수축실험에 의한 콘크리트의 수축균열특성 평가에 관한 연구", 대한건축학회논문집, 24권, 10호 2008, p.p. 59-66.

14.
미국 표준협회, ASTM C 1609, "Standard test method for flexural performance of fiber-reinforced concrete(using beam with three-point loading)", Americna Society for Testing and Materials(ASTM), 2007

15.
Guide to Durable Concrete-ACI 201.2R-08, ACI Manual of Practice, American Concrtet Institute, 2008

16.
한국 콘크리트 학회, "콘크리트 표준시방서", 2009

17.
한국 표준협회, KS F 2425, "시험실에서 콘크리트 시료를만드는 방법", 2012

18.
한국 표준협회, KS F 2424, "모르타르 및 콘크리트의 길이 변화 실험방법", 2010.

19.
콘크리트 구조 기준 해설, p.p.85 "제4장 사용성 및 내구성" 2012.

20.
CEB-FIP MC 90, Design of cocrete structure, CEP-FIP modal code 1990, Thomas Telford, 1993, p.p. 437.

21.
Hossainn, A. B. and Weiss, J., "Assessing residual stress development and stress relaxation in restrained concrete ring specimens", Cement and Concrete Composites, Vol. 26, No. 5, 2004, p.p. 531-540. crossref(new window)