PRIMARY INVESTIGATION ON MODIFYING MECHANISM OF NEW TO OLD CONCRETE REPAIR INTERFACIAL LAYER BY USING SILANE COUPLING AGENT

Xiong Guangjing; Li Yiqiang; Luo Baiyun; Wu Xiang

doi:10.13204/j.gyjz200509029

Volume 35 Issue 9

Dec. 2014

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Xiong Guangjing, Li Yiqiang, Luo Baiyun, Wu Xiang. PRIMARY INVESTIGATION ON MODIFYING MECHANISM OF NEW TO OLD CONCRETE REPAIR INTERFACIAL LAYER BY USING SILANE COUPLING AGENT[J]. INDUSTRIAL CONSTRUCTION, 2005, 35(9): 105-106. doi: 10.13204/j.gyjz200509029

Citation:

Xiong Guangjing, Li Yiqiang, Luo Baiyun, Wu Xiang. PRIMARY INVESTIGATION ON MODIFYING MECHANISM OF NEW TO OLD CONCRETE REPAIR INTERFACIAL LAYER BY USING SILANE COUPLING AGENT[J]. INDUSTRIAL CONSTRUCTION, 2005, 35(9): 105-106. doi: 10.13204/j.gyjz200509029

Citation:

Xiong Guangjing, Li Yiqiang, Luo Baiyun, Wu Xiang. PRIMARY INVESTIGATION ON MODIFYING MECHANISM OF NEW TO OLD CONCRETE REPAIR INTERFACIAL LAYER BY USING SILANE COUPLING AGENT[J]. INDUSTRIAL CONSTRUCTION, 2005, 35(9): 105-106. doi: 10.13204/j.gyjz200509029

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PRIMARY INVESTIGATION ON MODIFYING MECHANISM OF NEW TO OLD CONCRETE REPAIR INTERFACIAL LAYER BY USING SILANE COUPLING AGENT

doi: 10.13204/j.gyjz200509029

1.
Department of Civil Engineering,Shantou University Shantou 515063

Received Date: 2004-12-20
Publish Date: 2005-09-20

Abstract

Abstract

A comparative experimental study showed that silane coupling agent solution can significantly increase the bond strength of new to old concrete repair interfacial layer. A primary modifying mechanism for explaining this phenomenon is proposed: it is possible for silane coupling agent to create many chemical bonds between cement paste surface and granite (old mortar) surface.
- silane coupling agent,
- chemical bond,
- bond strength,
- granite,
- concrete

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References(6)

References

熊光晶,姜洁,陈立强,等.新老混凝土修补界面过渡区微细观结构改善方法的研究.硅酸盐学报,2002,30(2):263～266;

[2] Wall J S, Shrive N G. Factors Affecting Bond between New and Old Concrete.ACI Materials Journal, 1998,95(1):117～125;

[3] 邬翔,熊光晶.硅烷偶联剂溶液浓度对新老混凝土粘结界面层拉拔强度的影响.混凝土与水泥制品,2003(3):18～19;

[4] 罗白云.偶联剂、减缩剂改性新老混凝土修补界面层的性能:[硕士学位论文].汕头:汕头大学,2003;

[5] 马一平.提高水泥石-集料界面粘结强度的研究.建筑材料学报,1999,2(1):29～32;

[6] 胡福增,陈国荣,杜永娟.材料表界面.上海:华东理工大学出版社,2001.180～188

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