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中文摘要：
再生混凝土性能相对于普通混凝土有所降低,为了改善其性能,将硅灰矿物掺合料加入到再生混凝土中,并对再生混凝土的抗压强度及工作性能进行了试验研究.研究发现硅灰对再生混凝土的影响规律类似于普通混凝土,掺加硅灰能显著提高再生混凝土的强度,并能有效改善混凝土拌合物的和易性.
英文摘要：
Compared with ordinary concrete, mechanical properties of recycled concrete is weak. In order to improve the performance of recycled concrete, silica fume is added into recycled concrete, and experimental study on the compressive strength and work performance. The study shows that the effects of silica fume on recycled concrete is similar to that of ordinary concrete, adding silica fume can significantly improve the strength of recycled concrete, the workability of fresh concrete can be effectively improved also.
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