CALCINING CONDITION AND PHYSICAL STABILITY OF CALCINED MATERIAL FROM CONSTRUCTION WASTE

Several recycling techniques, such as dehydration, solidification and calcination, for construction waste has been developed because construction waste can not be recycled directly. In this paper, we investigated the actual situation of occurrence circumstances, recycling techniques and uses of construction waste. Then, we examined the calcining condition and physical stability of calcined waste by a laboratory examination to study the recycling by calcination. As a result, it is confirmed that construction waste can be recycled by calcination for construction materials producing coarse aggregate which has enough physical stability.