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A Study on the Fundamental Properties of Concrete Using of the Oyster Shells  

Koo, Hae-Shik (경남대학교 건축학부)
Jun, Hak-Su (경남대학교 건축학부)
An, Yong-Deok (경남대학교 건축학부)
Publication Information
Journal of the Korea institute for structural maintenance and inspection / v.9, no.3, 2005 , pp. 169-177 More about this Journal
Abstract
This study is to analyze the application of the oyster shells as a substitute fine aggregate of concrete. For this purpose, the fundamental experiments of the composed materials and the variations of the main factors on it were considered and then the variations of workability and strength properties of the specimens with each case were also studied. The experimental results on the properties as construction material showed that the use of oyster shells in concrete would not cause abnormal chemical reactions or lead to the formation of any new objects, the workability and strengths decreased with increase in proportion of oyster shells. The compressive strength of concrete with oyster shells is developed as much as that of normal concrete and the grain size of oyster shells is superior on 3.0~5.0mm and the percentage of substitution of them to fine aggregate about 30% from the properties of concrete with them. The relationship equation between compressive strength and tensile strength is ( ).
Keywords
Oyster Shell; Fundamental Properties; Substitutions; Strengths;
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