Abstract
AbstractAiming at the large displacement monitoring needs of slope, road, and bridge engineering, a new method concerning the superwide-range fiber Bragg grating (FBG) displacement sensor based on ...
Highlights
Displacement is the most basic physical quantity reflecting structural deformation and warning of structural failure in the field of structural health monitoring
This paper proposes a design for a superwide-range fiber Bragg grating (FBG) displacement sensor based on eccentric gear; the sensor was verified in a hysteresis test on a steel frame–reinforced concrete infill wall
In order to ensure the feasibility for engineering and the practicality of the superwide-range FBG displacement sensor based on an eccentric gear, static performance tests are essential in order to analyze the hysteresis and repeatability errors of the FBG displacement sensor
Summary
Displacement is the most basic physical quantity reflecting structural deformation and warning of structural failure in the field of structural health monitoring. Wang et al (2007) developed a FBG displacement sensor with a wide range capacity based on the structure of cantilever beam and spring. This paper proposes a design for a superwide-range FBG displacement sensor based on eccentric gear; the sensor was verified in a hysteresis test on a steel frame–reinforced concrete infill wall.
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