再生骨料掺量对再生混凝土性能和强度的影响
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TU528

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The influence of recycled aggregate replacement rate on the performance and strength of recycled aggregate concrete
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    摘要:

    通过试验表明:用再生骨料部分或全部替代天然碎石配制再生混凝土时,其工作性能和强度与普通混凝土不同,本文系统研究了在水灰比相同的情况下,再生骨料掺量对混凝土基本性能的影响。结果表明:对于工作性能而言,随着再生骨料掺量的增加,新拌混凝土的流动性变差,而粘聚性和保水性变好,对于强度而言,存在一个合理掺量,再生骨料掺量在50%左右,对强度有利。

    Abstract:

    Based on the experiments, the test results indicated that the strength and performance of recycled aggregate prepared with natural aggregate which was substitute with recycled aggregate partly or completely were different from common concrete. The influence of recycled aggregate replacement rate on properties of concrete with the same water-cement ratio was discussed in this paper. As shown in the results, on the performance, the fluidness of recycled aggregate concrete decreases with the addition of recycled aggregate, but the cohesiveness and the water-retaining property increases,. On the strength, it is benefit for the strength of recycled aggregate concrete when the recycled aggregate replacement rate reaches around 50%.

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引用本文

姜楠. 再生骨料掺量对再生混凝土性能和强度的影响[J]. 科学技术与工程, 2010, (19): .
jiang nan. The influence of recycled aggregate replacement rate on the performance and strength of recycled aggregate concrete[J]. Science Technology and Engineering,2010,(19).

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  • 收稿日期:2010-04-08
  • 最后修改日期:2010-04-08
  • 录用日期:2010-04-15
  • 在线发布日期: 2010-05-31
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