폐 난연성 EPS가 모르터의 물성에 미치는 영향

Abstract

Unlike conventional EPS that can be fused to make EPS ingot and be recycled for various purposes, flame resistant EPS waste cannot be recycled due to the presence of protective coating that is applied to increase the fire protection properties of EPS. A suitable alternative that can process large amount of flame resistant EPS wastes needs to be developed, and one of the possible alternative is to use them as construction materials. In this research, experiments were designed to inuestigate the applicability that the flame resistant EPS wastes can be utilized as partial replacements of fine aggregates in cement mortar. The replacement ratio of waste EPS was varied, and its effect on compressive strength, absorption capacity, were thermal conductivity, and ultrasonic pulse velocity investigated. According to the experimental results, both compressive strength and absorption capacity met the Korean Standard specification for cement bricks and blocks. the amoune of flame resistant EPS wastes increased. the thermal conductivity decreased and ultrasonic pulse velocity mcresed. the results indicates production of energy efficient light weight construction material. indicating that flame resistant EPS wastes can be used for construction purposes.