플라이애시 수중불분리성 콘크리트의 수밀성에 관한 실험적 연구

다국어 초록 (Multilingual Abstract)

This paper describes the effects of fly ash replacement on the water tightness of antiwashout underwater concrete, which replaced the cement with fly ash from 0% to 30%. The experimental work was performed to find out the depth of permeation of concrete specimens cast in air and cured in 23℃ tap water using an open center pressure type of water permeation tester. The results showed that the permeation depth values of antiwashout underwater concrete were deeper than normal concrete, but that an admixture using fly ash during antiwashout underwater concrete casting in air made it more watertight than normal concrete according to the water permeation testing. SEM observations of the specimensof fly ash antiwashout underwater concrete showed that it wasmore packed with structures because of the pozzolan reaction of the fly ash and cement.

목차 (Table of Contents)

• ABSTRACT
• 1. 서론
• 2. 실험 개요
• 3. 실험결과 및 고찰
• 4. 결론
• 참고문헌

참고문헌 (Reference)

1 한국콘크리트학회, "콘크리트표준시방서"

2 대한토목학회, "콘크리트용 수중불분리성 혼화제 품질 규준(안)"

3 김기철, "증점제 및 플라이애쉬를 이용한 다짐불요 콘크리트의 개발에 관한 실험적 연구" 266-270, 1996

4 대한토목학회, "유동화 콘크리트 시공 지침 (안)"

5 채소언, "수중불분리성 혼화제를 사용한 콘크리트의 제 성질에 대한 실험적 연구" 한양대학교 대학원 1993

6 이영제, "수중 콘크리트용 혼화제를 사용한 콘크리트의 실험적 연구" 건국대학교 대학원 1992

7 Laboratory of Concrete, Civil Engineering Department, The Ministry of Construction of Japan, "The Experimental Report of Antiwashout Underwater Concrete No 1" 2-36, 1990

8 JSCE, "Standard of Quality of Antiwashout Admixture for Underwater Concrete"

9 Kwon, P., "Ocean Concrete Underwater Concrete"

10 Center of Costal Engineering Development, "Manual of Antiwashout Underwater Concrete"

11 JSCE, "Guide for Design and Construction of Antiwashout Underwater Concrete"

12 권중현, "Fly Ash를 사용한 수중분리콘크리트의 응결에 관한 실험적 연구" 15 (15): 121-, 2001

13 Malhotra, V., "Fly Ash in Concrete" CANMET 135-166, 1994

14 Abdurman, A., "Effects of Curing Conditions and Age on Chloride Permeability of Fly Ash Mortar" 87-90, 1996

15 Ravina, D., "Effect of Prolonged Mixing on Compressive Strength of Concrete with and without Fly Ash and or Chemical Admixture" 451-455, 1960

16 Hanhon, J., "Construction of Underwater Concrete by the System of Divided Tube" 32 (32): 86-, 1994

17 Roy, D.M., "Chloride Pemeability of Fly Ash-cement Pastes and Mortar" 2 : 1459-1476, 1987

18 Oh, B.H., "An Experimental Study on the Permeability of High-performance Concrete" 335-, 1977