인공 경량골재로 치환된 플라스틱 골재 종류에 따른 시멘트 복합체의 역학적 성질에 관한 연구

Recently, as the construction of civil structures has increased, so has the demand for lightweight, high-strength structures. In the case of conventional lightweight cement composites, the unit volume weight can be lowered, but this leads to reduced strength. Generally, a lightweight composite can be created by mixing in a lightweight aggregate when combining cement composites. Various cement complexes use artificial lightweight aggregates, such as rubber aggregates and plastic pellets; of these, plastic sticks can secure the strength of the relatively high-strength aggregate, but the surface properties of the material make it disadvantageous to attach to the cement paste. In this study, cement composites using various types of plastic were produced and tested to determine the types of plastic most suitable as aggregates. The results confirm that the physical performance of the cement composites changes according to the specific gravity and/or surface of each plastic aggregate.