An investigation of the recycling of waste concrete as a cementitious material
- Authors
- Kim, Hye-Yang; Chun, Byung-Sik; Park, Tae-Hyo; Ryou, Jae-Suk
- Issue Date
- Apr-2011
- Publisher
- KOREAN ASSOC CRYSTAL GROWTH, INC
- Keywords
- Cementitious materials; Powder; Recycled fine aggregate; Waste concrete; Strength; Flowability
- Citation
- JOURNAL OF CERAMIC PROCESSING RESEARCH, v.12, no.2, pp.202 - 206
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF CERAMIC PROCESSING RESEARCH
- Volume
- 12
- Number
- 2
- Start Page
- 202
- End Page
- 206
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/168748
- DOI
- 10.36410/jcpr.2011.12.2.202
- ISSN
- 1229-9162
- Abstract
- The purpose of this research is to investigate the use of recycled fine aggregates from waste concrete as a new cementitious material. The main experiment focused on applying the recycled fine aggregate to Self-Consolidating Concrete (SCC) by using the characteristic which the powder contained from the Recycled Fine Aggregates (RFA) which can increase strength and flowability. That is, as the powder contained in the RFA is appropriate for developing high strength and flowability, a characteristic of the SCC, it increased the ratio of mixing the RFA obtained from waste concrete and the natural fine aggregates by 25%, making in total 5 different levels which were applied to SCC. In this paper, they are often referred to as mix 1, 2, 3, 4 and 5. Hence, the experiments were performed to examine the physical and mechanical properties of concrete which tried to verify the possibility of utilizing the RFA as a material for SCC. The results indicate that among the 5-levels of mixture of the physical and mechanical analysis, the RFA could be applied up to replacement of 50%, on the other hand, a replacement larger rather than 50% could result in a deterioration in performance.
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