초록

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Abstract ▼ AI-Helper

For complying with the demand of developing high strength concrete, the high strength concrete with higher cement contents and lower water-cement ratio using high range water reducing admixture has been manufactured. In this study, for the purpose of improving the strength of concrete, concrete with...

For complying with the demand of developing high strength concrete, the high strength concrete with higher cement contents and lower water-cement ratio using high range water reducing admixture has been manufactured. In this study, for the purpose of improving the strength of concrete, concrete with silica fume and gypsum was produced so that it was acquired to high compressive strength of $1,058kg/cm^2$, $1,170kg/cm^2$ at age 28 and 91 days, respectively. But neither tensile strength nor modulus of elasticity were highly improved although the compressive strength of the concrete increased. And it was concluded that a higher slump loss of fresh high strength concrete and interior temperature increment of concrete in according to elapsed time than convential concrete should be solved.