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SHM of reinforced concrete elements by Rayleigh backscattering DOFS
(2019-03)
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Article.
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This document showcases the latest research conducted within UPC–BarcelonaTech on the performance of distributed optical fiber sensors (DOFS), more specifically the case of the optical backscattered reflectometry (OBR) ...
Non-destructive techniques for determining the properties of fibre reinforced concrete
(2022)
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Non-destructive techniques can be used to assess the properties of FRC instead of performing tests that may increase testing time and material waste. Such techniques are oriented for both fresh and hardened state, enabling ...
SHM by DOFS in civil engineering: a review
(2015-12)
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Article.
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This paper provides an overview of the use of different Distributed Optical Fiber Sensor systems (DOFSs) to perform Structural Health Monitoring (SHM) in the specific case of civil engineering structures. Nowadays, there ...
Shear crack pattern identification in concrete elements via distributed optical fibre grid
(2019-12)
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An experimental methodology to obtain the shear cracking pattern in concrete elements is presented. The method is based on the use of Distributed Optical Fiber Sensors (DOFS) connected to an Optical Backscattered Reflectometer ...
The need to consider flexural post-cracking creep behavior of macro-synthetic fiber reinforced concrete
(Elsevier, 2017-09)
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The flexural creep of plastic fiber reinforced concrete (PFRC) is a controversial issue since significant doubts regarding the suitability of this type of fiber and its influence in the long-term behavior of the material ...
UPC—BarcelonaTech experience on the use of Rayleigh based distributed optical fiber sensors for SHM of concrete structures
(CRC Press, 2017)
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In the past decade, several works and studies have been performed with the goal of improving the knowledge and developing new techniques associated with the application of Distributed Optical Fiber Sensors (DOFS) in order ...
Distributed optical fibre sensors in concrete structures: performance of bonding adhesives and influence of spatial resolution
(Wiley, 2019-03)
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In this paper, the authors conducted an experiment where a reinforced concrete beam was instrumented with a 5-m long polyimide single distributed optical fibre sensors (DOFS) performing four equal segments externally bonded ...
Operational and analytical modal analysis of a bridge using low-cost wireless Arduino-based accelerometers
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-12)
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Arduino-based accelerometers are receiving wide attention from researchers to make long-term Structural Health Monitoring (SHM) feasible for structures with a low SHM budget. The current low-cost solutions found in the ...
Long-term reliability assessment of OBR based DOFS on reinforced concrete elements
(International Association for Structural Control and Monitoring (IASCM), 2018)
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The authors conducted a laboratory experiment where two reinforced concrete beams were instrumented with a Distributed Optical Fiber Sensors that were adhered to allow the measuring of strain on four different longitudinal ...
Data-driven optimization tool for the functional, economic, and environmental properties of blended cement concrete using supplementary cementitious materials
(Elsevier, 2023-05)
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The need to produce more sustainable concrete is proving imminent given the rising environmental concerns facing the industry. Blended cement concrete, based on any of the prominent supplementary cementitious materials ...