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자료유형
학술저널
저자정보
황의환 (천안공업대학) 노재성 (충남대학교) 황택성 (충남대학교) 이병기 (충남대학교)
저널정보
한국폐기물자원순환학회 한국폐기물자원순환학회지 한국폐기물자원순환학회지 제19권 제3호
발행연도
2002.1
수록면
292 - 299 (8page)

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In order to recycle the FRP fine powder wasted from SMC bathtubes, the physical properties of SBR-modified mortar containing wastes FRP powder were investigated. The formulations for specimens were prepared with various replacements of wastes FRP powder as parts of fine aggregate and various polymer-cement ratios. It showed that compressive and flexural strengths of OPC(ordinary portland cement) mortar containing wastes FRP powder were decreased with an increase of wastes FRP powder. It was found, however that those strengths of mortars were improved by adding SBR latex to it. Flexural strength of SBR-modified mortar containing wastes FRP powder was especially improved. The water absorption rate of SBR-modified mortar was greatly improved than that of OPC mortar. The optimum substitution amount of wastes FRP powder was appeared to bi 20wt% when SBR altex was added 20wt%. compressive and flexural strengths of SBR-modified mortar when specimens were heat-cured were increased than that of standard curing method. Therefore, improvement of early strengths of SBR-modified mortar containing wastes FRP powder can bi achieved by heat curing method subjected to that the 15wt% of wastes FRP powder was substituted, when SBR latex was added 20wt%. The optimum substitution amount of wastes FRP powder was appeared to bi 15wt% when SBR latex was added 20wt%. Compressive and flexural strengths of SBR-modified mortars were greatly decreased under immersion on hot water due to SBR polymer decomposition.

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