Distributed fiber optic measurements of strain and temperature in long-span composite floor beams with simple shear connections subject to compartment fires

This study explores an instrumentation strategy using distributed fiber optic sensors to measure strain and temperature through the concrete volume in large-scale structures. Single-mode optical fibers were deployed in three 12.8 m long steel and concrete composite floor specimens tested under mecha...

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Veröffentlicht in:	Fire safety journal 2021-05, Vol.121, p.103275, Article 103275
Hauptverfasser:	Zhu, Yanping, Klegseth, Matthew, Bao, Yi, Hoehler, Matthew S., Choe, Lisa, Chen, Genda
Format:	Artikel
Sprache:	eng
Schlagworte:	Ambient temperature Composite materials Composite slab Concrete Concrete slabs Fiber optic sensors Fiber optics Fire Fire load Floors Gauges High temperature Horizontal distribution Instrumentation Optical fibers PPP-BOTDA Sensors Spatial discrimination Spatial distribution Spatial resolution Strain gauges Temperature Temperature distribution Temperature sensors Thermocouples Time domain analysis
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