초록

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Abstract ▼ AI-Helper

This study was performed to evaluate the engineering properties of permeable polymer concrete with rice-husk ash. The following conclusions were drawn; 1. The highest sterngth was achieved by 50% filled rice husk-ash permeable polymer concrete, it was increased 24% by compresseve, 123% by tensile an...

This study was performed to evaluate the engineering properties of permeable polymer concrete with rice-husk ash. The following conclusions were drawn; 1. The highest sterngth was achieved by 50% filled rice husk-ash permeable polymer concrete, it was increased 24% by compresseve, 123% by tensile and 90% by bending strength than that of the normal cement concrete, respectively. 2. The static modulus of elasticity was in the range of $1.27{\times}10^5{\sim}1.75{\times}10^5kgf/cm^2$, which was approximately 58~70% of the normal cement concrete. The higher elastic modulus was showed by 50% filled rice-husk ash permeable polymer concrete, relatively. The poisson's number of permeable polymer concrete was less than that of the normal cement concrete. 3. The ultrasonic pulse velocity was in the range of 2,503~3,083m/sec, which was showed about the same compared to that of the normal cement concrete. The higher pulse velocity was showed by 50% filled rice-husk ash permeable polymer concrete. 4. The water permeability was in the range of $4.612{\sim}5.913{\ell}/cm^2/hr$, and it was largely dependent upon the mix design. These concrete can be used to the structures which need water permeability.