分选机制砂对混凝土性能影响试验研究 |
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作者姓名: | 童慧 代晓妮 钟聚光 袁涛 |
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作者单位: | 湖南平江抽水蓄能有限公司,湖南省平江县 414500;中国电建集团中南勘测设计研究院有限公司,湖南省长沙市 410014;湖南平江抽水蓄能有限公司,湖南省平江县 414500;湖南平江抽水蓄能有限公司,湖南省平江县 414500 |
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摘 要: | 平江抽水蓄能电站泵送混凝土使用的花岗岩为主的人工细骨料,云母含量较高.通过分选工艺降低游离云母的机制砂配制混凝土,性能试验结果表明:分选后机制砂混凝土拌和物混凝土用水量减少,混凝土工作性能提高,混凝土的抗冻性能得到改善.
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关 键 词: | 游离云母含量 工作性能 耐久性 |
Researching of Influence of Separated Manufactured-sand Properties of Concrete |
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Authors: | TONG Hui DAI Xiaoni ZHONG Juguang YUAN Tao |
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Affiliation: | (Hunan Pingjiang Pumped Storage Power Station Co.Ltd.,Hunan province,Pingjiang 414500,China;Powerchina Zhongnan Engineering Corporation Limited,Hunan province,Changsha 410014,China) |
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Abstract: | In Pingjiang pumped storage power station,granite is the main artificial fine aggregate,mica content is high.The performance test results show that the water consumption of the machine-made sand concrete mixture after separation is reduced,the working performance of the concrete is improved,and the frost resistance of the concrete is improved. |
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Keywords: | free mica content workability frost resistance |
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