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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국콘크리트학회 International Journal of Concrete Structures and Materials International Journal of Concrete Structures and Materials Vol.15 No.5
- 발행연도
- 2021.9
- 수록면
- 585 - 595 (11page)
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초록· 키워드
오류제보하기
This research aimed to create value of construction and demolition waste to be able used as a recycled coarse aggregate (RCA) in durable concrete, based on 7-year field investigation in marine site. Fly ash was used to substitute Portland cement type I in RCA concrete varied from 0 to 50% by weight of binder with three W/B ratios and comparing to natural aggregate (NA) concrete. Cubical concrete specimens were cast having round steel bars embedded with various concrete coverings to evaluate the durability performances. After 28-day curing, the specimens were placed at a tidal zone in the gulf of Thailand and investigated both mechanical and durability performances at 7-year exposed period. Based on site monitoring, 15-25% fly ash RCA concrete with W/B ratio of 0.40 would be advantaged to resist destruction due to the marine attack when compared with NA concrete with the same water-to-binder ratio.
목차
Abstract
1. Introduction
2. Methodology
3. Specimens Preparation
4. Results and Discussion
5. Embedded Steel Corrosion in Concrete
6. Conclusions
References
참고문헌 (32)
참고문헌 신청
2016 / ACI 201.2R-16. Guide to durable concrete / American Concrete Institute
2012 / ASTM C1152 / C1152M-04. Standard Test Method for Acid-Soluble Chloride in Mortar and Concrete / ASTM International
2019 / ASTM C618–19. Standard Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete / ASTM International
Chalee, W. / 2010 / Utilization of fly ash concrete in marine environment for long term design life analysis / Materials &Design 31:1242~1249
Cheewaket, T. / 2014 / Concrete durability presented by acceptable chloride level and chloride diffusion coefficient in concrete : 10-year results in marine site / Materials and Structures 47:1501~1511
2012 / ASTM C1152 / C1152M-04. Standard Test Method for Acid-Soluble Chloride in Mortar and Concrete / ASTM International
2019 / ASTM C618–19. Standard Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete / ASTM International
Chalee, W. / 2010 / Utilization of fly ash concrete in marine environment for long term design life analysis / Materials &Design 31:1242~1249
Cheewaket, T. / 2014 / Concrete durability presented by acceptable chloride level and chloride diffusion coefficient in concrete : 10-year results in marine site / Materials and Structures 47:1501~1511
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