Publicación: ELASTIC CONSTANTS OF SOME NATIVE CHILEAN WOOD SPECIES USING ULTRASOUND TECHNIQUES
Fecha
2012
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Revista de la Construccion
Resumen
THE AIM OF THIS WORK IS TO DETERMINE THE YOUNGS MODULES AND SHEAR MODULES OF ELASTICITY OF FOUR NATIVE CHILEAN HARDWOODS (TEPA (LAURELIOPSIS PHILIPIANÀ), OLIVILLO (AEXTOXKON PUNCTATUM), LAUREL (LAURELIA SEMPERVIRENS) AND LENGA (NOTHOFAGUS PUMILIO) AND TWO CHILEAN SOFTWOODS (ALERCE (FITZROYA CUPRESSOIDES) AND MANIO (PODOCARPUS NUBIGEND)) USING ULTRASOUND TECHNIQUES. LONGITUDINAL AND TRANSVERSAL WAVES WERE USED TO DETERMINE THE THREE MOE IN THE LONGITUDINAL, RADIAL AND TRANSVERSAL DIRECTIONS AND ALSO THE SHEAR MODULES 0 LR, GLT AND G RT\ THE RESULTS SHOW HIGHER ANISOTROPY BEHAVIOR FOR THE TESTED HARDWOODS IN RELATION TO SOFTWOODS. THIS IS IN CONTRAST TO MOST EUROPEAN SPECIES, WHICH HAVE A HIGHER ANISOTROPY FOR SOFTWOOD THAN FOR HARDWOOD.
