Property of corroded concrete under compressive uniaxial loads |
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Authors: | Yingfang Fan Zhiqiang Hu Jing Zhou Xin Li |
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Affiliation: | [1]Institute of Road and Bridge Engineering, Dalian Maritime University, Dalian 116026, China [2]State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, China |
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Abstract: | In order to study the compressive property of corroded concrete, accelerated corrosion test were performed on concrete C30.6 corrosive solutions, including hydraulic acid solution (pH=2), hydraulic acid solution (pH=3) were applied as the corrosive medium. 6 series of corrosion tests, including 111 specimens,were carried out. Mechanical properties of all the corroded specimens were tested respectively. Compressive properties of the corroded specimens (e.g. compressive strength, stress-strain relation, elastic modulus etc.) were achieved. Taking the strength degradation ratio and strain energy loss as damage index, effects of the corrosion solution on the compressive property of corroded concrete were discussed in detail. Relationship between the damage index and corrosion state of specimens were achieved. |
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Keywords: | concrete corrosion compressive strength elastic modulus stress-strain curve strain energyloss |
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