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Study on concrete beams under the action of steel corrosion and freeze-thaw cycles
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Abstract
In order to study the effect of rust - freeze coupling on the flexural bearing capacity of concrete beams, a rapid corrosion test, rapid freeze-thaw test and a rust - freezing coupling test were carried out for 18 model beams. Under the joint action of the corrosion of steel bars and the freeze-thaw cycle, the yield strength ratio of the test beam decreases with the increase of rust rate and freeze-thaw cycle, resulting in the decrease of its resistance to deformation. Based on the present proposed calculation formula under the action of corrosion and freeze-thaw cycles, through comparing and analyzing experimental data to establish the a new calculation model under the action of the reinforcement corrosion and the freeze-thaw cycle of flexural bearing capacity.
Title: Study on concrete beams under the action of steel corrosion and freeze-thaw cycles
Description:
Abstract
In order to study the effect of rust - freeze coupling on the flexural bearing capacity of concrete beams, a rapid corrosion test, rapid freeze-thaw test and a rust - freezing coupling test were carried out for 18 model beams.
Under the joint action of the corrosion of steel bars and the freeze-thaw cycle, the yield strength ratio of the test beam decreases with the increase of rust rate and freeze-thaw cycle, resulting in the decrease of its resistance to deformation.
Based on the present proposed calculation formula under the action of corrosion and freeze-thaw cycles, through comparing and analyzing experimental data to establish the a new calculation model under the action of the reinforcement corrosion and the freeze-thaw cycle of flexural bearing capacity.
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