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The Study on the impact of Recycled fine aggregate and powder on the mechanics and thermal performance of recycled concrete hollow blocks

机译：再生细骨料和粉体对再生混凝土空心砌块力学及热性能影响的研究

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摘要

The impact of recycled fine aggregate and powder on the mechanics and thermal performance of recycled concrete hollow blocks was discussed in this paper. The results showed that 30% recycled fine aggregate and powder have slight affect on the strength of recycled concrete hollow blocks. But the strength reduced significantly when the replacement is above 50%. The impact of recycled fine aggregate and powder on the performance of concrete hollow blocks with high strength grade is notable . The heat transfer coefficient of recycled concrete hollow blocks with 30% recycled fine aggregate and powder was equivalently to ordinary concrete hollow blocks.
机译：本文讨论了再生细骨料和粉体对再生混凝土空心砌块的力学和热性能的影响。结果表明，30％的再生细骨料和粉体对再生混凝土空心砌块的强度影响不大。但是当替换率超过50％时，强度会大大降低。再生细骨料和粉体对高强度级混凝土空心砌块性能的影响明显。具有30％的回收细骨料和粉末的回收混凝土空心砌块的传热系数与普通混凝土空心砌块相当。

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