| 聚丙烯纤维对轻骨料混凝土力学性能的影响 |
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| 引用本文： | 霍俊芳,申向东,崔琪,李金帅. 聚丙烯纤维对轻骨料混凝土力学性能的影响[J]. 硅酸盐通报, 2007, 26(4): 700-704 |
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| 作者姓名： | 霍俊芳 申向东 崔琪 李金帅 |
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| 作者单位： | 内蒙古工业大学,呼和浩特,010051;内蒙古农业大学,呼和浩特,010018;内蒙古农业大学,呼和浩特,010018;中国建筑材料科学研究院,北京,100024;内蒙古工业大学,呼和浩特,010051 |
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| 摘 要： | 采用天然浮石作为粗骨料,同时掺入聚丙烯纤维及聚丙烯纤维和钢纤维混合配制混凝土,对纤维轻骨料混凝土的表观密度、抗压强度、弹性模量、抗折强度以及弯曲韧性进行研究,试验结果表明,掺入聚丙烯纤维,抗压强度有所下降,但不增加轻骨料混凝土的表观密度;聚丙烯纤维和钢纤维混掺可以在不增加表观密度,保证强度的基础上,有效地改善轻骨料混凝土的韧性.
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| 关 键 词： | 轻骨料混凝土 聚丙烯纤维 纤维混合 表观密度 韧性 |
| 文章编号： | 1001-1625（2007）04-0700-05 |
Effect of Polypropylene Fiber on Mechanical Properties of Lightweight Aggregate Concrete |
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| HUO Jun-fang,SHEN Xiang-dong,CUI Qi,LI Jin-shuai. Effect of Polypropylene Fiber on Mechanical Properties of Lightweight Aggregate Concrete[J]. Bulletin of the Chinese Ceramic Society, 2007, 26(4): 700-704 |
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| Authors: | HUO Jun-fang SHEN Xiang-dong CUI Qi LI Jin-shuai |
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| Affiliation: | 1,Inner Mongolia University of Technology, Huhhot 010051, China;2. Inner Mongolia Agriculture University, Huhhot 010018, China; 3. China Building Materials Academy, Beijing 100024, China |
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| Abstract: | Polypropylene fibers,steel fiber and their hybrid fibers can be incorporated into a lightweight aggregate concrete (LWAC) of pumice as coarse aggregate,respectively.Apparent density,compressive strength,elastic modulus,flexural strength and flexural toughness of the fiber-reinforcod LWAC were investigated.The results show that the introduced of polypropylene fibers would be result in the decrease of the compressive strength of LWAC.But its toughness could be increased,and its low apparent density kept.On introducing hybrid fibers,the toughness of LWAC could be improved effectively,whereas both its low apparent density and strength would be maintained. |
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| Keywords: | lightweight aggregate concrete polypropylene fiber fibers mixture apparent density toughness |
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