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        검색결과 1

        1.
        2014.07 KCI 등재 서비스 종료(열람 제한)
        In this study, the vibratory crusher was developed to develop the high quality recycled coarse aggregate for concrete. The vibratory crusher was installed on the production line of recycled aggregate and the produced recycled aggregate was compared with that from conventional crusher for evaluation of the performance of vibratory crusher and the quality of the produced recycled aggregate. The results showed that the performance of the recycled aggregate was better than conventional aggregate by 39% in water absorption ratio, 10% in absolute dry density, 31% in resistance to wearing, 14% in satisfactory particle size distribution, 41% in volume of clay ball and 32% in safety, thus showing that the quality of the recycled coarse aggregate is much improved. The microscopic observation showed that a lot of mortar, minute cracks and segregation have been removed.