[1]李伟文,邢锋,严志亮,等.硫酸盐腐蚀环境下CFRP-混凝土界面性能研究[J].深圳大学学报理工版,2009,26(1):86-91.
 LI Wei-wen,XING Feng,YAN Zhi-liang,et al.Investigation on the mechanical behavior of adhesive bonded CFRP-concrete joints under the sulfate solution[J].Journal of Shenzhen University Science and Engineering,2009,26(1):86-91.
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硫酸盐腐蚀环境下CFRP-混凝土界面性能研究()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第26卷
期数:
2009年1期
页码:
86-91
栏目:
土木建筑工程
出版日期:
2009-01-30

文章信息/Info

Title:
Investigation on the mechanical behavior of adhesive bonded CFRP-concrete joints under the sulfate solution
文章编号:
1000-2618(2009)01-0086-06
作者:
李伟文1邢锋1严志亮2隋莉莉1曹征良1
1)深圳大学土木工程学院,深圳市土木工程耐久性重点实验室,深圳518060
2)深圳市福田区建设局,深圳 518048
Author(s):
LI Wei-wen1XING Feng1YAN Zhi-liang2SUI Li-li1and CAO Zheng-liang1
1)College of Civil Engineening,Shenzhen Municipal Key Laboratory of Durability for Civil Engineering,Shenzhen University,Shenzhen 518060,.R.China
2)Futian District Construction Bureau of Shenzhen,Shenzhen 518060,P.R.China
关键词:
CFRP混凝土耐久性硫酸盐腐蚀粘结性能
Keywords:
CFRPconcretedurabilitysulfate solution attackbonding behavior
分类号:
TU 775;TU 37
文献标志码:
A
摘要:
通过10%硫酸钠溶液加速劣化试验,研究CFRP-混凝土粘结界面的力学性能,包括混凝土圆柱体的抗压强度、 CFRP片材的拉伸强度、混凝土的抗压强度及弹性模量.通过CFRP-混凝土粘结界面的单剪试验,研究硫酸钠溶液浸泡对CFRP与混凝土剪切粘结性能的影响,采用SEM和XRF等从微观层面探讨硫酸盐腐蚀机理.研究表明,硫酸钠溶液浸泡对CFRP的拉伸强度无影响;混凝土会受到硫酸盐的侵蚀,侵蚀程度与浸泡时间相关;因树脂的保护作用,10%硫酸盐溶液腐蚀118d对CFRP-混凝土界面的粘结性能基本无影响.
Abstract:
This paper investigates the behaviors of adhesive bonded CFRP-concrete joints under the accelerated aging test of 10% sodium sulfate solution.The tensile strength and ductility of CFRP,the elastic modulus and cylinder strength of concrete,and shear bonding strength were evaluated.This paper also tried to explain the attacking mechanism of sulfate solution via the microscopic technology,i.e.SEM and XRF.Results shows that the sodium sulfate solution has no effect on the CFRP composite.The concrete deteriorates over time is due to sodium sulfate solution.The bonding behavior of CFRP-concrete joints has not degenerated immersed in sodium sulfate solution for 118 days.The reason is that the concrete beneath the CFRP composite was protected by the resin against sulfate solution attacking.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2008-09-22
基金项目:国家自然科学基金资助项目(50878130);深圳市科技计划资助项目(200522,200435)
作者简介:李伟文(1967-),男(汉族),广东省梅县人,深圳大学副教授.E-mail:liweiwen@szu.edu.cn
更新日期/Last Update: 2009-02-17