Structural Engineering and Mechanics

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Cyclic load experiment study on the laminated composite RC walls with different concrete ages

  • Zhang, Hongmei (State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University) ;
  • Lua, Xilin (State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University) ;
  • Li, Jianbao (State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University) ;
  • Liang, Lin (State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University)
  • Received : 2009.10.01
  • Accepted : 2010.09.01
  • Published : 2010.12.20
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Abstract

12 typical laminated composite reinforced concrete (RC) walls with different concrete ages and 3 cast-in-place RC walls subjected to low frequency cyclic load were carried out in this study. The failure mode, force-deformation response and energy dissipation capacity of these specimens were investigated. Differences of structural behaviours between composite RC walls and common cast-in-place RC walls were emphasized in the analysis. The compatibility of the composite specimens with different concrete ages was discussed based on the experiment. Test results indicated that the differences between the lateral bearing capacity and the displacement ductility of the composite walls and the common walls were not so obvious. Some of the composite specimen even has higher bearing capacity under the experiment loading situation. Besides, the two parts of the laminated composite specimens demonstrates incompatibility at the later loading sequence on failure mode and strain response when it is in tension. Finally, this laminated composite shear walls are suggested to be applied in rapid reconstruction structures which is not very high.

Keywords

References

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