煤系偏高岭土对煤矸石混凝土性能的影响研究

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发布时间：2020-01-06 00:00:00

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煤系偏高岭土对煤矸石混凝土性能的影响研究

Effect of Coal Metakaolin on Performance of Coal Gangue Concrete

2021年第10期

煤系偏高岭土；煤矸石混凝土；力学性能；耐久性能

Coal metakaolin; Coal gangue concrete; Mechanical property; Durability

2021年第10期

10.19761/j.1000-4637.2021.10.025.04

中国博士后科学基金项目（2020M681462）。

王安辉1，潘春宇1，黄益平1，张艳芳1，张舜泉2

1.中建安装集团有限公司，江苏南京 210023；2.东南大学材料科学与工程学院，江苏南京 211189

王安辉1，潘春宇1，黄益平1，张艳芳1，张舜泉2

王安辉，潘春宇，黄益平,等.煤系偏高岭土对煤矸石混凝土性能的影响研究[J].混凝土与水泥制品,2021(10):25-28.

WANG A H,PAN C Y,HUANG Y P,et al.Effect of Coal Metakaolin on Performance of Coal Gangue Concrete[J].China Concrete and Cement Products,2021(10):25-28.

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摘要：为了提高煤矸石混凝土的力学与耐久性能，将煤系偏高岭土部分取代率水泥，研究了不同取代率的煤系偏高岭土对煤矸石混凝土抗压强度、劈拉强度、耐磨性和抗硫酸盐侵蚀性能的影响。结果表明：掺加煤系偏高岭土可显著提高煤矸石混凝土的力学性能；当煤系偏高岭土取代率为30%时，煤矸石混凝土的抗压强度和劈拉强度均最大；掺入适量煤系偏高岭土能够有效改善煤矸石混凝土的耐磨性和抗硫酸盐侵蚀性能，其最佳取代率为30%。 Abstract: To improve the mechanical properties and durability of coal gangue concrete, the effects of coal metakaolin on the compressive strength, splitting tensile strength, abrasion resistance and sulfate resistance of coal gangue concrete were studied by partially substituting cement with coal metakaolin. The results show that the incorporation of coal metakaolin can greatly improve the mechanical properties of coal gangue concrete. When the amount of coal metakaolin is 30%, the compressive strength and splitting tensile strength of coal gangue concrete reach the maximum value. In addition, the incorporation of coal metakaolin can effectively improve the abrasion resistance and sulfate resistance of coal gangue concrete, and the optimum content is 30%.

英文名 : Effect of Coal Metakaolin on Performance of Coal Gangue Concrete

刊期 : 2021年第10期

关键词 : 煤系偏高岭土；煤矸石混凝土；力学性能；耐久性能

Key words : Coal metakaolin; Coal gangue concrete; Mechanical property; Durability

刊期 : 2021年第10期

DOI : 10.19761/j.1000-4637.2021.10.025.04

文章编号 :

基金项目 : 中国博士后科学基金项目（2020M681462）。

作者 : 王安辉1，潘春宇1，黄益平1，张艳芳1，张舜泉2

单位 : 1.中建安装集团有限公司，江苏南京 210023；2.东南大学材料科学与工程学院，江苏南京 211189

王安辉1，潘春宇1，黄益平1，张艳芳1，张舜泉2

王安辉，潘春宇，黄益平,等.煤系偏高岭土对煤矸石混凝土性能的影响研究[J].混凝土与水泥制品,2021(10):25-28.

WANG A H,PAN C Y,HUANG Y P,et al.Effect of Coal Metakaolin on Performance of Coal Gangue Concrete[J].China Concrete and Cement Products,2021(10):25-28.

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参考文献

引用本文

Abstract: To improve the mechanical properties and durability of coal gangue concrete, the effects of coal metakaolin on the compressive strength, splitting tensile strength, abrasion resistance and sulfate resistance of coal gangue concrete were studied by partially substituting cement with coal metakaolin. The results show that the incorporation of coal metakaolin can greatly improve the mechanical properties of coal gangue concrete. When the amount of coal metakaolin is 30%, the compressive strength and splitting tensile strength of coal gangue concrete reach the maximum value. In addition, the incorporation of coal metakaolin can effectively improve the abrasion resistance and sulfate resistance of coal gangue concrete, and the optimum content is 30%.

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