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Behaviour of glulam timber frames with different beam-column connections and braces under reversed cyclic loads

Journal of Building Engineering, ISSN: 2352-7102, Vol: 49, Page: 104031
2022
  • 10
    Citations
  • 0
    Usage
  • 23
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    10
    • Citation Indexes
      10
  • Captures
    23

Article Description

This paper discusses the behaviour of glulam timber frames under reversed cyclic loading conditions. Four single-storey timber frames with different beam-column connections and braces were tested in the experimental programme. The load resistance, stiffness, ductility, energy dissipation and equivalent damping ratio of frames were obtained through experimental tests. Besides, moment resistances of beam-column connections were also calculated by using the measured strains of glulam timber. Comparisons were made among timber frames with different types of connections and braces to highlight the influence of beam-column connections on frame behaviour under reversed cyclic loading and the differences in load resistance, deformation capacity, stiffness degradation, energy dissipation and equivalent damping ratio were discussed. Besides, bending moments at the column base were also calculated by using the measured strains of columns and the associated moment-rotation relationship was obtained. Test results showed that the seismic behaviour of timber frames was significantly enhanced by using top-and-seat-steel-angle connections and diagonal braces.

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