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Endommagement du bois lamellé-collé soumis à un chargement de torsion cyclique
The aim of this paper is to study the behaviour and the lifetime of glued-laminated small scale beams (GL) submitted to cyclic torsion. Experimental programmes have been carried out: periodic triangular alternate torques with varying amplitude are applied to GL samples with rectangular cross section. Experimental lifetime is presented by semi logarithmic SL-N curves (SL is the maximum torque stress level and N is the number of cycles to failure). From angular distortion records, we propose a method to obtain the damage evolution versus time. The prediction of load duration of GL specimens under cyclic torque is approached by a damage theory.
Endommagement du bois lamellé-collé soumis à un chargement de torsion cyclique
The aim of this paper is to study the behaviour and the lifetime of glued-laminated small scale beams (GL) submitted to cyclic torsion. Experimental programmes have been carried out: periodic triangular alternate torques with varying amplitude are applied to GL samples with rectangular cross section. Experimental lifetime is presented by semi logarithmic SL-N curves (SL is the maximum torque stress level and N is the number of cycles to failure). From angular distortion records, we propose a method to obtain the damage evolution versus time. The prediction of load duration of GL specimens under cyclic torque is approached by a damage theory.
Endommagement du bois lamellé-collé soumis à un chargement de torsion cyclique
Nafa, Zahreddine (Autor:in) / Chaplain, Myriam (Autor:in)
European Journal of Environmental and Civil Engineering ; 12 ; 1123-1135
01.11.2008
13 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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