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자료유형
학술저널
저자정보
Kwan, A.K.H. (Department of Civil Engineering, The University of Hong Kong) McKinley, M. (Department of Civil Engineering, The University of Hong Kong)
저널정보
테크노프레스 Advances in concrete construction Advances in concrete construction 제2권 제3호
발행연도
2014.1
수록면
209 - 227 (19page)

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The use of limestone fines (LF) in mortar and concrete can in certain ways improve performance and thus has become more and more commonplace. However, although LF is generally regarded as a filler, it is up to now not clear how much filling effect it could have and how best the filling effect could be utilized. Herein, the packing density and filling effect of LF were studied by measuring the packing densities of LF, (LF + cement) blends and (LF + cement + fine aggregate) blends under dry and wet conditions, and measuring the performance of mortars made with various amounts of LF added. It was found that the addition of LF would not significantly increase the packing density of (LF + cement) blends but would fill into the paste to increase the paste volume and paste film thickness, and improve the flow spread and strength of mortar.

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