花岗岩废石粉对水泥砂浆性能的影响_《混凝土与水泥制品》杂志社

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花岗岩废石粉对水泥砂浆性能的影响

Effects of Granite Waste Powder on the Performance of Cement Mortar

2022年第10期

花岗岩废石粉；水泥砂浆；抗压强度；毛细吸水；干燥收缩；微观结构

Granite waste powder; Cement mortar; Compressive strength; Capillary water absorption; Drying shrinkage; Microstructure

2022年第10期

10.19761/j.1000-4637.2022.10.096.05

住房与城乡建设部科技研发项目（2021-K-123）；浙江省自然科学基金项目（LGF22E080035）；2021年浙江省大学生科技创新活动计划暨新苗人才计划项目（2021R432018）；绍兴文理学院2020年度校级科研计划项目（2020LG1015、202110349170xj）；2022年国家级大学生创新创业训练计划项目（202210349019）。

谭幸淼1，吴汐晗1，杨健茹1，赵建明2，曾昊1，梁超锋1，3

1.绍兴文理学院土木工程学院，浙江绍兴312000；2.绍兴市城投再生资源有限公司，浙江绍兴 312000；3.同济大学建筑工程系，上海 200092

谭幸淼1，吴汐晗1，杨健茹1，赵建明2，曾昊1，梁超锋1，3

谭幸淼,吴汐晗,杨健茹,等.花岗岩废石粉对水泥砂浆性能的影响[J].混凝土与水泥制品,2022(10):96-100.

TAN X M,WU X H,YANG J R,et al.Effects of Granite Waste Powder on the Performance of Cement Mortar[J].China Concrete and Cement Products,2022(10):96-100.

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摘要：研究了花岗岩废石粉等质量（0、10%、20%、30%）取代水泥对砂浆抗压强度、毛细吸水、干燥收缩及微观结构的影响，并分析了其作用机理。结果表明：总体上，随着花岗岩废石粉取代率的增加，砂浆的抗压强度下降，毛细吸水量和干缩率增大，孔结构劣化；但当花岗岩废石粉取代率为10%时，砂浆的28 d抗压强度略高于基准组，干缩率和累计孔隙体积低于基准组，孔结构与基准组相近。 Abstract: The effects of granite waste powder replacing cement(0、10%、20%、30%) on the compressive strength, capillary water absorption, drying shrinkage and microstructure of mortar were studied, and its mechanism was analyzed. The results show that with the increase of granite waste powder replacement rate, the compressive strength of mortar decreases, the capillary water absorption and drying shrinkage rate increase, the pore structure deteriorates. However, when granite waste powder replacement rate is 10%, the 28 d compressive strength of mortar is slightly higher than that of the reference group, the drying shrinkage rate and cumulative pore volume are lower than those of the reference group, and the pore structure is similar to that of the reference group.

英文名 : Effects of Granite Waste Powder on the Performance of Cement Mortar

刊期 : 2022年第10期

关键词 : 花岗岩废石粉；水泥砂浆；抗压强度；毛细吸水；干燥收缩；微观结构

Key words : Granite waste powder; Cement mortar; Compressive strength; Capillary water absorption; Drying shrinkage; Microstructure

刊期 : 2022年第10期

DOI : 10.19761/j.1000-4637.2022.10.096.05

文章编号 :

基金项目 : 住房与城乡建设部科技研发项目（2021-K-123）；浙江省自然科学基金项目（LGF22E080035）；2021年浙江省大学生科技创新活动计划暨新苗人才计划项目（2021R432018）；绍兴文理学院2020年度校级科研计划项目（2020LG1015、202110349170xj）；2022年国家级大学生创新创业训练计划项目（202210349019）。

作者 : 谭幸淼1，吴汐晗1，杨健茹1，赵建明2，曾昊1，梁超锋1，3

单位 : 1.绍兴文理学院土木工程学院，浙江绍兴312000；2.绍兴市城投再生资源有限公司，浙江绍兴 312000；3.同济大学建筑工程系，上海 200092

谭幸淼1，吴汐晗1，杨健茹1，赵建明2，曾昊1，梁超锋1，3

谭幸淼,吴汐晗,杨健茹,等.花岗岩废石粉对水泥砂浆性能的影响[J].混凝土与水泥制品,2022(10):96-100.

TAN X M,WU X H,YANG J R,et al.Effects of Granite Waste Powder on the Performance of Cement Mortar[J].China Concrete and Cement Products,2022(10):96-100.

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摘要

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结论

参考文献

引用本文

Abstract: The effects of granite waste powder replacing cement(0、10%、20%、30%) on the compressive strength, capillary water absorption, drying shrinkage and microstructure of mortar were studied, and its mechanism was analyzed. The results show that with the increase of granite waste powder replacement rate, the compressive strength of mortar decreases, the capillary water absorption and drying shrinkage rate increase, the pore structure deteriorates. However, when granite waste powder replacement rate is 10%, the 28 d compressive strength of mortar is slightly higher than that of the reference group, the drying shrinkage rate and cumulative pore volume are lower than those of the reference group, and the pore structure is similar to that of the reference group.

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