In the last two decades, a significant number of innovative sensing systems based on optical
fiber sensors have been exploited in the engineering community due to their inherent …

Optical fiber sensors are the most promising technique in monitoring physical and chemical
variables of civil structures. For the brittle material characteristics, a bare sensing fiber is …

In this study, a full-scale high-speed railway embankment model was established for
assessment of the tensile force of the geogrid embedded in the sand cushion. Water bags …

Nowadays, the microwave photonics (MWP) concept has been evolved from laboratory tests
to practical applications, and related techniques have been widely deployed in many fields …

Fiber Bragg grating (FBG) based sensors have been extensively used to monitor the
deformation of structures (ie, aircrafts, ocean platforms, bridges, tunnels, pavements and …

A continuous increase in the worldwide demand for high-speed traffic, freight tonnage as
well as of the train operating frequency is worsening the decay conditions of many railway …

This study is proposed for obtaining simultaneous measurements of the level and specific
gravity of a liquid using a dual-optical-fiber-sensor system comprising a fiber Bragg grating …

In comparison with above-ground structures, the investigation of underground space
structures still faces great challenges because of the extremely complicated constitutive …

There is today ample evidence that fiber Bragg gratings (FBGs) distributed along a railway
track can provide robust axle counting and bring numerous assets compared to competing …

In this work, a new method has been proposed to accurately determine longitudinal force
measurement in continuous welded rail (CWR) with bi-directional fiber Bragg grating (B …