| 粗集料最大公称粒径对道路水泥混凝土性能影响的试验研究 |
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| 引用本文： | 张丰状.粗集料最大公称粒径对道路水泥混凝土性能影响的试验研究[J].山西交通科技,2013(5):4-6. |
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| 作者姓名： | 张丰状 |
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| 作者单位： | 山西省润途路桥有限公司,山西太原030012 |
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| 摘 要： | 为了研究粗集料最大公称粒径对道路水泥混凝土性能的影响,选取19.0 mm、26.5 mm、31.5 mm 3种最大公称粒径的粗集料制作水泥混凝土试件,对混凝土的坍落度、抗压强度、抗弯拉强度、抗渗性能和干缩性能进行了试验研究,并根据试验结果对影响规律进行分析,提出了不同等级公路水泥混凝土粗集料最大公称粒径的建议范围。
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| 关 键 词： | 最大公称粒径 水泥混凝土 粗集料 水灰比 抗弯拉强度 |
The Study on the Influence of the Maximum Nominal Particle Size of Coarse Aggregate on Highway Cement Concrete Performance |
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| ZHANG Feng-zhuang.The Study on the Influence of the Maximum Nominal Particle Size of Coarse Aggregate on Highway Cement Concrete Performance[J].Shanxi Science & Technology of Communications,2013(5):4-6. |
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| Authors: | ZHANG Feng-zhuang |
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| Institution: | ZHANG Feng-zhuang (Shanxi Runtu Road ＆ Bridge Co., Ltd, Taiyuan, Shanxi 030012, China) |
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| Abstract: | To study the influence of the maximum nominal particle size of coarse aggregate on highway cement concrete performance, this paper selected three kinds of the maximum nominal particle size of coarse aggregate to produce cement concrete specimens, and it carried out the experiment to study the slump, compressive strength, flexural strength, permeability resistance and dry shrinkage performance of concrete. It also analyzed the effect rule according to the test results, put forward the recommended range of the maximum nominal particle size of coarse aggregate for the different grade highway cement concrete. |
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| Keywords: | the maximum nominal particle size cement concrete coarse aggregate water cement ratio flex- ural strength |
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