| 热-机械力分离制备高品质再生骨料的研究 |
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| 引用本文： | 水中和,玄东兴,曹蓓蓓. 热-机械力分离制备高品质再生骨料的研究[J]. 混凝土, 2006, 0(12): 60-62 |
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| 作者姓名： | 水中和 玄东兴 曹蓓蓓 |
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| 作者单位： | 武汉理工大学,材料学院,湖北,武汉,430070;武汉理工大学,材料学院,湖北,武汉,430070;武汉理工大学,材料学院,湖北,武汉,430070 |
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| 摘 要： | 通过研究废弃混凝土在热与机械力作用下结构和性能的变化，指出热作用下废弃混凝土粗骨料界面和砂浆基体结构发生弱化。废弃混凝土之间的机械碰撞与磨擦作用会产生粗骨料分离。分离制备的再生粗骨料与天然集料具有相似的物理性能。并且配制的混凝土具有良好的工作性能和力学性能。
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| 关 键 词： | 废弃混凝土 热-机械力分离 再生粗骨料 |
| 文章编号： | 1002-3550-（2006）12-0060-03 |
| 收稿时间： | 2006-09-05 |
| 修稿时间： | 2006-09-05 |
Preparation of high-quality recycling aggregate by thermal-mechanical separation from waste concrete |
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| SHUI Zhong-he,XUAN Dong-xing,CAO Bei-bei. Preparation of high-quality recycling aggregate by thermal-mechanical separation from waste concrete[J]. Concrete, 2006, 0(12): 60-62 |
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| Authors: | SHUI Zhong-he XUAN Dong-xing CAO Bei-bei |
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| Affiliation: | School of Material Science and Technology, Wuhan University of Technology, Wuhan 430070, China |
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| Abstract: | Changes of the structure and performance of waste concrete under the thermal-mechanical effect is discussed in the paper, The results show that the interfacial zone around coarse aggregate and mortar matrix became poor and the coarse aggregates in waste concrete can be got under mutual colliding and wearing of waste concrete segments.The separated recycling coarse aggregate has the similar physical properties with the natural aggregate.Moreover ,the recycling concrete has better workability and mechanical property compared with the common concrete. |
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| Keywords: | waste concrete thermal-mechanical separation recycling aggregate |
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