[1]唐先习,尹月酉,国伟.混凝土开裂部位氯离子渗透试验研究[J].郑州大学学报(工学版),2015,36(01):66-69.[doi:10.3969/ j. issn.1671 -6833.2015.01.016]
　TANG Xian-xi,YIN Yue-you,GUo Wei.Experimental Study of the Chloride Ion Penetration on the Crack Parts of Concrete[J].Journal of Zhengzhou University (Engineering Science),2015,36(01):66-69.[doi:10.3969/ j. issn.1671 -6833.2015.01.016]
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混凝土开裂部位氯离子渗透试验研究()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
36卷
期数:
2015年01期
页码:
66-69
栏目:
出版日期:
2015-01-10

文章信息/Info

Title:
Experimental Study of the Chloride Ion Penetration on the Crack Parts of Concrete
作者:
唐先习; 尹月酉; 国伟
1.兰州理工大学土木工程学院,甘肃兰州730050;2.山东电力工程咨询院有限公司，山东济南250013
Author(s):
TANG Xian-xi1; YIN Yue-you1; GUo Wei2
1.School of Civil Engineering，Lanzhou University of Technology , Lanzhou 730050 ，China; 2.Shandong Electric Power Engi-neering Consulting Institute co. Ltd. , Ji ’nan 250013，China
关键词:
混凝土; 裂缝宽度与深度; 氯离子渗透; 试验研究
Keywords:
concrete ;  width and depth of crack ;  chloride ion penetration;  experimental study
分类号:
TU502
DOI:
10.3969/ j. issn.1671 -6833.2015.01.016
文献标志码:
A
摘要:
为研究混凝土裂缝宽度和深度对裂缝表面氯离子渗透的影响,制作了带裂缝的钢筋混凝土试件并进行了氯离子渗透研究.采用氯离子溶液浸泡时未开裂的试件、开裂试件的横断面进行研究.对于开裂的试件,通过对比裂缝的宽度、深度和裂缝表面氯离子渗透情况,并与未开裂试件断面氯离子渗透情况进行对比分析.研究结果表明,裂缝宽度对于裂缝表面氯离子渗透几乎没有影响,表面氯离子渗透主要与裂缝深度有关.对混凝土开裂部位的耐久性研究方法提出了新的观点,对混凝土结构耐久性的研究具有重要的参考价值.
Abstract:
For the study of the effect of chloride ion penetration on crack surface by crack width and depth ,the reinforced concrete specimens with cracks were made and the chloride ion penetration experiments werecarried out. The transverse sections of specimens without crack and cracking while soaked in Chlorine ion so-lution were used for experiments.For the cracking specimens,the analysis were carried through compared ofthe crack width,the crack depth and the chloride ion penetration of crack surface,and compared with thetransverse section of specimens without crack.The research results show that,the crack width has negligibleeffect on surface chloride ion penetration of concrete cracks,surface chloride ion penetration was mainly relat-ed with the crack depth.The new viewpoint of concrete durability research on the cracking parts were put for-ward,which has important reference value for the study of the durability of concrete structures.

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