Abstract
The purpose in this study is to investigate the rational mix design method of water permeable concrete sat isfying environmental and structural requirements such as a proper coefficient of permeability and compres sive strength. Voids in the concrete were classified into the three types of void of permeable, non permeable and entrained air, and the absolute volume of aggregates, and the volume ratio of cement paste to aggregates were defined in this study. Thus, the new mix design method for a water permeable concrete by vibrating compaction was proposed and applied availably for the practical mix proportion. Mechanical properties such as modulus of elasticity, tensile strength and flexural strength of the water permeable concrete were also measured.
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