Empirically derived connection design properties for Guadua bamboo

David Trujillo, Dominika Malkowska

Research output: Contribution to journalArticle

9 Citations (Scopus)
64 Downloads (Pure)

Abstract

Three connection design properties (dowel embedment strength, slip modulus and screw withdrawal capacity) were determined for one species of bamboo (Guadua angustifolia Kunth) using experimental methods adopted from timber engineering. 151 embedment strength and slip modulus tests were undertaken
using smooth dowels with diameters ranging from 3 to 16 mm, whilst 240 screw withdrawal tests were undertaken using 3.5–5 mm diameter self-tapping screws. Using regression analysis, predictive equations for the three connection design properties were derived, based on fastener diameter, density and bamboo wall thickness. Coefficients of determination (R2) ranged from 0.45 to 0.82. The predictive equations for embedment strength and screw withdrawal were adapted to output characteristic values and then compared to similar equations derived for timber contained in Eurocode 5, the latter would seem inappropriate for bamboo
Original languageEnglish
Pages (from-to)9-20
Number of pages12
JournalConstruction and Building Materials
Volume163
Early online date15 Dec 2017
DOIs
Publication statusPublished - 28 Feb 2018

Bibliographical note

NOTICE: this is the author’s version of a work that was accepted for publication in Construction and Building Materials. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Construction and Building Materials, [163, (2017)]DOI: 10.1016/j.conbuildmat.2017.12.065

© 2017, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/

Keywords

  • Bamboo
  • Timber
  • Connections
  • Embedment strength
  • Slip modulus
  • Screw withdrawal

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