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DYNA

versão impressa ISSN 0012-7353

Resumo

OSORIO S., JAIRO ALEXANDER; CIRO V., HÉCTOR JOSÉ  e  VELEZ R., JUAN MANUEL. INFLUENCE OF PHYSICAL PARAMETERS IN THE DESIGN RESISTANCE TO COMPRESSION OF THE GUADUA ANGUSTIFOLIA KUNTH. Dyna rev.fac.nac.minas [online]. 2005, vol.72, n.147, pp.1-6. ISSN 0012-7353.

The compression load evaluated to proportionality limit in short elements of specimens of Guadua angustifolia kunth was related to some physical factors such as external and internal diameter, wall thickness, apparent density, internodes number and moisture content. The specimens of Guadua angustifolia kunth were subjected to compression test according to standard ISO-TC 165 given by INBAR (1999). The statistical results showed that to predict the behavior of the load in the proportional limit of short elements of Guadua, the parameters of greater incidence are the external diameter (De) and the total thickness of the wall (e), for which a correlation with a level of confidence of 95% was obtained. A value of 27,15 MPa with a coefficient of variation of 16% was found for the compression stress evaluated to the proportional limit. Moreover, an approximated model was obtained to apparent density as function of the moisture content.

Palavras-chave : Guadua angustifolia kunth; compression test; proportionality limit; design load.

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