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The cyclic performance of reinforced concrete columns using the lap‐spliced crosstie and lap‐spliced inner hoop

Lee, Tai‐Kuang ; Chen, Cheng‐Cheng ; Zhan, Kai‐Shen

Structural concrete : journal of the FIB, 2018-08, Vol.19 (4), p.1146-1156 [Periódico revisado por pares]

Weinheim: WILEY‐VCH Verlag GmbH & Co. KGaA

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  • Título:
    The cyclic performance of reinforced concrete columns using the lap‐spliced crosstie and lap‐spliced inner hoop
  • Autor: Lee, Tai‐Kuang ; Chen, Cheng‐Cheng ; Zhan, Kai‐Shen
  • Assuntos: Concrete columns ; Cyclic loads ; cyclic performance ; Hoops ; lap‐spliced crosstie ; lap‐spliced inner hoop ; Load tests ; RC columns ; Reinforced concrete ; Reinforcing steels
  • É parte de: Structural concrete : journal of the FIB, 2018-08, Vol.19 (4), p.1146-1156
  • Descrição: A lap‐spliced crosstie consists of two J‐shaped steel bars (rebars) that have a straight end and an end featuring a 180° hook. A lap‐spliced inner hoop is the lap splice of two U‐bars. In this study, cyclic load test was conducted on four large‐sized reinforced concrete (RC) columns to investigate the cyclic performance of RC columns comprising lap‐spliced crossties and lap‐spliced inner hoops. The research results are presented as follows: (a) The ductility of the specimens that adopted the lap‐spliced crossties and lap‐spliced inner hoops was significantly superior to that of the specimens using conventional crossties and crossties featuring a 180° hook on the two ends. (b) The use of the lap‐spliced crossties and lap‐spliced inner hoops may significantly improve the constructability of crossties over the conventional crossties; however, the amount of transverse reinforcement used is most likely to increase. (c) The lap‐spliced crosstie and lap‐spliced inner hoop were formed on the basis of the tension lap splice of rebars. Therefore, column size has to be large enough to meet the minimum requirement for tension lap splice of rebars when lap‐spliced crosstie or lap‐spliced inner hoop is to be used.
  • Editor: Weinheim: WILEY‐VCH Verlag GmbH & Co. KGaA
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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