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Volume 50 Issue 1
Jan.  2020
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Article Navigation >  INDUSTRIAL CONSTRUCTION  > 2020  >  50(1): 125-129,141
WANG, Bowen, LIU, Yang. ANALYSIS OF BOND PROPERTIES DEGRADATION OF REINFORCED CONCRETE MEMBERS UNDER COUPLING ACTION[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(1): 125-129,141. doi: 10.13204/j.gyjz202001020
Citation: WANG, Bowen, LIU, Yang. ANALYSIS OF BOND PROPERTIES DEGRADATION OF REINFORCED CONCRETE MEMBERS UNDER COUPLING ACTION[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(1): 125-129,141. doi: 10.13204/j.gyjz202001020
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ANALYSIS OF BOND PROPERTIES DEGRADATION OF REINFORCED CONCRETE MEMBERS UNDER COUPLING ACTION

doi: 10.13204/j.gyjz202001020

  • 1. School of Civil Engineering, Changsha University of Science & Technology, Changsha 410114, China;

  • 2. Key Laboratory for Safety Control of Bridge Engineering, Ministry of Education and Hunan Province, Changsha 410114, China

  • Received Date: 2019-07-25
    Abstract
  • At present, the research factors for the bond properties of reinforced concrete structures are relatively simple,and the coupling effect of various environmental factors is not considered,which is still quite different from the actual service environment of reinforced concrete structure. From the point of view that considering the interaction of fatigue and corrosion, a group of reinforced concrete specimens were designed and divided into three test groups: fatigue test group, corrosion test group and coupling test group.Through the test results, the bond properties degradation law, failure characteristics and slipping trend of the reinforced concrete under the coupling and single factor effects were analyzed.The experimental results showed that the coupling effect on the bond properties was more remarkable than that of the effect of single factor;with the deepening of the environmental impact, the bond properties decreased and the failure mode changed; the fracture occurred in a small number of steel bars after being subjected to coupling action, the fundamental reason was that there was "amplification effect" between the two influencing factors.
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