Paper Information

Journal:   AMIRKABIR JOURNAL OF CIVIL ENGINEERING (AMIRKABIR)   2017 , Volume 49 , Number 2 #G0086; Page(s) 251 To 262.
 
Paper: 

THE EFFECT OF COVER, PRESSURE STRENGTH, AND BARS CORROSION ON CRACKING OF REINFORCED CONCRETE STRUCTURES

 
 
Author(s):  MIRI M., RAKHSHANIMEHR M.*, MIRI F.
 
* DEPARTMENT OF CIVIL ENGINEERING, UNIVERSITY OF ALZAHRA, TEHRAN, IRAN
 
Abstract: 

Reinforced concrete structures usually suffer from damage due to corrosion of the reinforced bars, which may be caused by carbonation and chloride ions ingress. So, predicting the onset of corrosion and the formation of cracks in the concrete cover is important. In this study experimental samples were carried out, cured and then exposed to the accelerated corrosion condition. The results were used to verify a numerical model. The effect of concrete properties such as compression strength, initial pressure and some other parameters investigated on concrete cracks. The results showed that the compressive strength and concrete cover are the main parameters at the start of cracking, and with increasing these two parameters the internal pressure, which is due to products, to start the cracking will increase.

 
Keyword(s): CORROSION OF REINFORCEMENT, CONCRETE COVER, CONCRETE CRACK, NUMERICAL MODELS
 
References: 
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