Monitoring the stress of the post-tensio
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Junqi Gao; Bin Shi; Wei Zhang; Hong Zhu
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Article
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2006
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Elsevier Science
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English
β 518 KB
We applied a Brillouin-OTDR, which is a fiber optic distributed strain sensor, to measure the stress of four post-tensioning cables. The fiber optic sensor was bonded to one steel strand and three aramid fiber reinforced plastic (AFRP) cables, which were later installed in three precast beams. The m