Full-field measurement with a digital image correlation analysis of a shake table test on a timber-framed structure filled with stones and earth

Abstract : This paper aims at presenting a digital correlation technique to capture the full-field displacement thanks to a high-speed camera of a full scale structure tested on a shaking table. The challenges are both the measurements at a full scale to visualize damages versus the resolution of pictures and the dynamical loading that requires a large number of pictures. The final goal is a better understanding of the seismic behavior of timber-framed structures with infill to help at modeling such structures and predicting their seismic vulnerability. For this purpose, results of shake table tests carried out on a full-scale one-story timber-framed house filled with stones bonded by an earth based mortar are presented and discussed. DIC full-field measurements allow deriving displacements and accelerations on shear walls as well as lateral forces applied on them. The experimental results presented herein allow analyzing the influence of bracing and might be used to propose optimized aseismic constructions based on cheap technological solutions. These results demonstrate the seismic-resistant behavior of timber-framed structures with infill and constitute a key issue for the promotion of such constructions in developing countries.
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Soumis le : jeudi 26 octobre 2017 - 15:25:10
Dernière modification le : jeudi 11 janvier 2018 - 06:27:34

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Y. Sieffert, F. Vieux-Champagne, S. Grange, Philippe Garnier, J.C. Duccini, et al.. Full-field measurement with a digital image correlation analysis of a shake table test on a timber-framed structure filled with stones and earth. Engineering Structures, Elsevier, 2016, 123, pp.451-472. 〈10.1016/j.engstruct.2016.06.009〉. 〈hal-01615539〉

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