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        검색결과 5

        1.
        2014.10 서비스 종료(열람 제한)
        In this study, It was found that replacing a large amount of mineral admixture, we satisfied the target, compressive strength of 30, 50MPa and manufactured lightweight concrete reducing CO2 emissions up to 42.1~52.8% comparing normal concrete
        2.
        2014.04 서비스 종료(열람 제한)
        In this study, trying to applying in structure and slab and wall of technical of near-surface transit system, we would make precast concrete for constructing rapidly to diversify subject about lightweight concrete. for this purpose, we experimented lightweight aggregate centrally expected to be applied in this research and would like to suggest fundamental data for manufacturing products as a level of 30, 50MPa precast concrete.
        3.
        2013.10 서비스 종료(열람 제한)
        In this study, manufactured of cement mortar using high early strength cement(10 ~ 50 wt%) and blast furnace slag powder(50 ~ 90 wt%), according to compressive strength and flexural strength of hardened cement mortar. XRD and SEM were evaluated utilizing the initial cement hydration properties.
        4.
        2013.04 서비스 종료(열람 제한)
        Recently, it is requests the reduction of self-load at structure and the cross section reduction due to the trend of making higher, larger of buildings. But The experiment of Lightweight concrete is mostly implemented in Laboratory and is rarely implemented in patch plant for application of construction site. therefore, this study will be useful at base, when the lightweight aggregate concrete is applied to construction site. so We had a comparative experiment of physical performance with in laboratory and Batch plant for lightweight aggregate concrete.
        5.
        2012.11 서비스 종료(열람 제한)
        To evaluate the strength properties of concrete using low-absorption lightweight aggregate, this paper was compared low-absorption and foreign-made lightweight aggregate by test of slump, air content, elapsed time of slump, compressive and tensile strength.