Optical stereoscopic measurements were performed on a real size 14 metre long fibre-reinforced polymer composite vehicular beam bridge submitted to four-point bending. The field of view was 6 metres, with a pixel resolution of ~4 mm. The 3-D displacements were monitored by targets and texture tracking. Optical measurements show good correlation with traditional sensors. They allowed measuring 3-D displacement and strains fields, evidencing the out-of-plane buckling displacement of the beam web, sensing unforeseen displacements and giving insight in the boundary conditions of the experiment.
CAPERAN Philippe;
POLJANSEK Martin;
GUTIERREZ TENREIRO Eugenio;
PRIMI Stefano;
PAULOTTO Carlo;
2012-12-04
ELSEVIER SCI LTD
JRC67501
0263-8223,
http://www.sciencedirect.com/science/article/pii/S0263822311003990,
https://publications.jrc.ec.europa.eu/repository/handle/JRC67501,
10.1016/j.compstruct.2011.10.022,
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