Chemical-mechanical characteristics of crushed oyster-shell
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- Chemical-mechanical characteristics of crushed oyster-shell
- Yoon, GL; Kim, BT; Kim, BO; Han, SH
- KIOST Author(s)
- Yoon, Gil Lim(윤길림)
- 윤길림; 김백운; 한상훈
- Enormous amount of oyster-shell waste has been illegally disposed at oyster farm sites along the southern coast of Korea. To seek for a possibility to recycle the waste as construction materials, chemical and mechanical characteristics of crushed oyster-shell were investigated. Chemical and microstructure analyses showed that oyster-shells are predominantly composed of calcium carbonate with rare impurities. Compressive strength tests for soil mortar specimens with varying blending ratio of cement, water, sand, and oyster-shell were compared with normal cement mortar. There was no significant reduction in the compressive strength up to 40% of dosages of oyster-shell instead of sand. The experimental results demonstrate that oyster-shells can be resources of pure calcareous materials and effective in replacement of sand, indicating promising reusable construction materials. (C) 2002 Elsevier Ltd. All rights reserved.
- WASTE MANAGEMENT, v.23, no.9, pp.825 - 834, 2003
- PERGAMON-ELSEVIER SCIENCE LTD
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