复掺石灰石粉高强机制砂混凝土性能研究

doi:10.19698/j.cnki.1001-6171.20226087

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摘要

研究了复掺石灰石粉与粉煤灰、复掺石灰石粉与矿渣粉对C60机制砂高强混凝土和易性和抗压强度的影响以及最佳配合比。复掺石灰石粉与粉煤灰、复掺石灰石粉与矿渣粉，均能使C60机制砂高强混凝土抗渗等级大于P12，抗冻性满足F100抗冻等级要求。掺粉煤灰混凝土比掺矿渣粉混凝土浆体早期自收缩小，抗碳化性能强。

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	张冠军

关键词: 石灰石粉粉煤灰矿渣粉机制砂高性能混凝土

Abstract:

The effects of mixed limestone powder and fly ash, mixed limestone powder and slag powder on the workability and compressive strength of C60 machine-made sand high-strength concrete and the optimum mix ratio were studied. By adding limestone powder and fly ash, or adding limestone powder and slag powder, the impermeability grade of C60 machine-made sand high-strength concrete is greater than P12, and the frost resistance meets the requirements of F100 frost resistance grade. Compared with the concrete paste mixed with slag powder, the concrete paste mixed with fly ash has smaller self-shrinkage at early stage and higher carbonation resistance.

Key words: limestone powder fly ash slag powder machine-made sand high performance concrete')" href="#"> high performance concrete

收稿日期: 2022-05-26 修回日期: 2022-11-25 出版日期: 2022-11-25 发布日期: 2022-11-25 整期出版日期: 2022-11-25

ZTFLH:

TQ172.44

引用本文:

张冠军. 复掺石灰石粉高强机制砂混凝土性能研究[J]. 水泥技术, 2022, 1(6): 87-94.
ZHANG Guanjun. Study on Properties of High Strength Machine-made Sand Concrete Mixed with Limestone Powder. Cement Technology, 2022, 1(6): 87-94.

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http://www.cemteck.com/CN/10.19698/j.cnki.1001-6171.20226087 或 http://www.cemteck.com/CN/Y2022/V1/I6/87

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