[1]李平先,张雷顺..冻融循环作用下混凝土的剪切强度试验研究[J].郑州大学学报(工学版),2004,25(04):12-15.[doi:10.3969/j.issn.1671-6833.2004.04.004]
　LI Pingxian,Zhang Leishun.Experimental study on shear strength of concrete under freeze-thaw cycle[J].Journal of Zhengzhou University (Engineering Science),2004,25(04):12-15.[doi:10.3969/j.issn.1671-6833.2004.04.004]
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冻融循环作用下混凝土的剪切强度试验研究()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
25卷
期数:
2004年04期
页码:
12-15
栏目:
出版日期:
1900-01-01

文章信息/Info

Title:
Experimental study on shear strength of concrete under freeze-thaw cycle
作者:
李平先; 张雷顺.
郑州大学环境与水利学院,河南,郑州,450002;大连理工大学土木水利学院,辽宁,大连,116024, 郑州大学环境与水利学院,河南,郑州,450002
Author(s):
LI Pingxian; Zhang Leishun
关键词:
冻融循环;  混凝土;  剪切强度;  损伤
Keywords:
DOI:
10.3969/j.issn.1671-6833.2004.04.004
文献标志码:
A
摘要:
采用Z形试件剪切试验方法,对混凝土试件在冻融循环作用下的剪切强度进行了试验研究,并对混凝土冻融损伤的机理进行了初步分析.结果表明,在冻融循环作用下,混凝土的相对剪切强度随冻融循环次数的增加而降低,原因在于冻融循环引起水泥石本身和水泥石与骨料之间产生损伤,降低了混凝土的强度.
Abstract:
The shear strength of concrete specimens under freeze-thaw cycle was studied by Z-shaped specimen shear test method, and the mechanism of freeze-thaw damage of concrete was preliminarily analyzed. The results show that the relative shear strength of concrete decreases with the increase of the number of freeze-thaw cycles under the action of freeze-thaw cycle, because the freeze-thaw cycle causes damage between the cement stone itself and the cement stone and the aggregate, which reduces the strength of the concrete.

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更新日期/Last Update: 1900-01-01