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Fused deposition modeling (FDM) is an important technology for 3D printing and can be used for rapidly production of functional parts. This paper presents a fiber Bragg grating (FBG) based sensing platform fabricated using FDM method. This sensing platform include a number of pressure sensing components fabricated by layering of extruded Polylactic Acid (PLA) materials. FBG sensors were fixed at center...
This paper proposes a special application of Brillouin Optical Time Domain Analysis (BOTDA) sensors for monitoring the mechanical performance of a steel H-pile during driving process in a field in Hong Kong. First, basic calibration and the related installation method of optical fiber sensors (OFS) on pile body were introduced. Second, distributed strain profiles along the H-pile during driving process...
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