[1]高丹盈,朱海堂,赵军,等.冻融后钢纤维混凝土力学性能的试验研究[J].郑州大学学报(工学版),2005,26(01):1-4.[doi:10.3969/j.issn.1671-6833.2005.01.001]
　GAO Danying,ZHU Haiting,ZHAO Jun,et al.Experimental study on mechanical properties of steel fiber concrete after freeze-thaw[J].Journal of Zhengzhou University (Engineering Science),2005,26(01):1-4.[doi:10.3969/j.issn.1671-6833.2005.01.001]
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冻融后钢纤维混凝土力学性能的试验研究()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
26
期数:
2005年01期
页码:
1-4
栏目:
出版日期:
1900-01-01

文章信息/Info

Title:
Experimental study on mechanical properties of steel fiber concrete after freeze-thaw
作者:
高丹盈; 朱海堂; 赵军; 等.
郑州大学新型建筑材料与结构研究中心,河南,郑州,450002, 郑州大学新型建筑材料与结构研究中心,河南,郑州,450002, 郑州大学新型建筑材料与结构研究中心,河南,郑州,450002, 郑州大学新型建筑材料与结构研究中心,河南,郑州,450002
Author(s):
GAO Danying; ZHU Haiting; ZHAO Jun; etc
关键词:
混凝土;  钢纤维;  冻融;  力学性能
Keywords:
DOI:
10.3969/j.issn.1671-6833.2005.01.001
文献标志码:
A
摘要:
通过钢纤维混凝土冻融循环试验,分析了冻融循环次数、混凝土强度等级、钢纤维体积率等因素对钢纤维混凝土冻融后抗压强度、劈拉强度、抗折强度的影响,探讨了钢纤维对混凝土的增强机理.试验结果表明,钢纤维的加入对冻融循环后混凝土的抗压强度影响较小;当冻融循环次数较少时,钢纤维对劈拉强度和抗折强度的增加作用比较明显,而当冻融次数较大且钢纤维体积率较高(2%)时,钢纤维对混凝土的劈拉强度和抗折强度反而具有一定的负面影响;钢纤维混凝土强度等级的提高对改善钢纤维混凝土的抗冻性能较为有效.
Abstract:
Through the freeze-thaw cycle test of steel fiber concrete, the effects of the number of freeze-thaw cycles, concrete strength grade, steel fiber volume rate and other factors on the compressive strength, splitting strength and flexural strength of steel fiber concrete after freeze-thaw were analyzed, and the reinforcement mechanism of steel fiber on concrete was discussed. The test results show that the addition of steel fiber has little effect on the compressive strength of concrete after freeze-thaw cycle. When the number of freeze-thaw cycles is small, the effect of steel fiber on the increase of splitting strength and flexural strength is more obvious, while when the number of freeze-thaw cycles is large and the volume rate of steel fiber is higher (2%), steel fiber has a certain negative impact on the splitting strength and flexural strength of concrete. The improvement of the strength grade of steel fiber concrete is more effective in improving the frost resistance of steel fiber concrete.

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更新日期/Last Update: 1900-01-01