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Mechanical Properties of SCC containing Metakoalin

机译：含麦考林素的SCC的力学性能

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The mechanical properties of self-consolidating concrete (SCC) containing various percentages of metakaolin (MK) are investigated in this study. The coarse/fine (C/F) aggregate ratio, coarse aggregate size, was varied to study the impact these parameters have on the mechanical properties of SCC mixtures. Twelve SCC mixtures with varying partial replacement of MK and various C/F aggregate ratio and size were investigated for the effects on compressive strength, modulus of elasticity (ME), splitting tensile strength (STS) and flexural strength (FS). From these results and the fresh property results the optimum SCC mixture was chosen and recommended. The results obtained in this investigation showed an increase of the compressive strength with the increase of the percentage of MK up to 20%. Increasing the percentage of MK also showed increases in the FS, ME and STS of the mixture. The results also indicated that increasing the coarse aggregate content/size tends to reduce all the mechanical properties of the tested mixtures.
机译：在这项研究中，研究了含有不同百分比的偏高岭土（MK）的自固结混凝土（SCC）的力学性能。改变粗/细（C / F）骨料比，粗骨料尺寸，以研究这些参数对SCC混合物力学性能的影响。研究了十二种SCC混合物，这些混合物具有不同的MK部分取代和不同的C / F聚集比和尺寸，以研究其对抗压强度，弹性模量（ME），抗拉强度（STS）和抗弯强度（FS）的影响。从这些结果和新鲜性能的结果中，选择并推荐了最佳的SCC混合物。在这项研究中获得的结果表明，随着MK百分比的增加，抗压强度增加了20％。 MK百分比的增加也表明混合物的FS，ME和STS有所增加。结果还表明，增加粗骨料含量/粒度往往会降低测试混合物的所有机械性能。

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