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Flexible response of bamboo-epoxy frames

Flexible response of bamboo-epoxy frames AbstractThis paper describes some of the extensive outcomes of a structural load test on a full-scale bamboo-epoxy composite frame. A bundle of 30 small diameter thick-walled bamboo culms was bonded using an epoxy-fibre resin to form structural beam and column elements, which were connected at the beam/column joints using rebar and a novel composite glue to form a Portal frame. The frame was heavily instrumented with over 90 strain gauges to establish the locations of any delaminations or hinge formations during inelastic behaviour under load. The frame and the gauges were assembled in India and shipped to Ireland for testing. In Trinity College Dublin, the frame was supported by steel shoes bolted to a 3000 kN internal reaction rig, with additional passive lateral supports in case of out-of-plane instability during loading. This paper describes the load–displacement response under combined horizontal and vertical loading, together with an explanation of the frame’s non-linear behaviour using the evidence provided by the strain gauges, including the development of significant secondary moments due to the frame’s flexibility. The residual load capacity of the frame was evident whereupon significant inelastic deformations occurred as the actuator heads were allowed to continue to distort the frame under a sustained load. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Structural Integrity and Maintenance Taylor & Francis

Flexible response of bamboo-epoxy frames

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Flexible response of bamboo-epoxy frames

Abstract

AbstractThis paper describes some of the extensive outcomes of a structural load test on a full-scale bamboo-epoxy composite frame. A bundle of 30 small diameter thick-walled bamboo culms was bonded using an epoxy-fibre resin to form structural beam and column elements, which were connected at the beam/column joints using rebar and a novel composite glue to form a Portal frame. The frame was heavily instrumented with over 90 strain gauges to establish the locations of any delaminations or...
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Publisher
Taylor & Francis
Copyright
© 2017 Korea Institute for Structural Maintenance and Inspection
ISSN
2470-5322
eISSN
2470-5314
DOI
10.1080/24705314.2017.1318041
Publisher site
See Article on Publisher Site

Abstract

AbstractThis paper describes some of the extensive outcomes of a structural load test on a full-scale bamboo-epoxy composite frame. A bundle of 30 small diameter thick-walled bamboo culms was bonded using an epoxy-fibre resin to form structural beam and column elements, which were connected at the beam/column joints using rebar and a novel composite glue to form a Portal frame. The frame was heavily instrumented with over 90 strain gauges to establish the locations of any delaminations or hinge formations during inelastic behaviour under load. The frame and the gauges were assembled in India and shipped to Ireland for testing. In Trinity College Dublin, the frame was supported by steel shoes bolted to a 3000 kN internal reaction rig, with additional passive lateral supports in case of out-of-plane instability during loading. This paper describes the load–displacement response under combined horizontal and vertical loading, together with an explanation of the frame’s non-linear behaviour using the evidence provided by the strain gauges, including the development of significant secondary moments due to the frame’s flexibility. The residual load capacity of the frame was evident whereupon significant inelastic deformations occurred as the actuator heads were allowed to continue to distort the frame under a sustained load.

Journal

Journal of Structural Integrity and Maintenance – Taylor & Francis

Published: Apr 3, 2017

Keywords: Bamboo; composites; fibre reinforced bamboo; inelastic behaviour; Portal frames

References

  • Development and construction of bamboo roofing system – An eco-friendly system
  • Low cost energy saving construction materials
  • Pre-engineered construction using bamboo portal frame
  • An environmental, economic and practical assessment of bamboo as a building material for supporting structures
  • Determination of tensile property of bamboo for using as potential reinforcement in the concrete
  • Investigation of properties of bamboo as reinforcing materials in concrete