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Electromagnetic Sensors for Underwater Scour Monitoring

Andrea Maroni, Enrico Tubaldi, Neil Ferguson, Alessandro Tarantino, Hazel McDonald, Daniele Zonta
2020 Sensors  
This paper illustrates the development and deployment of a scour monitoring system consisting of smart probes equipped with electromagnetic sensors.  ...  , even during extreme flood events, thus avoiding the deployment of divers for underwater examination.  ...  Scotland), Iain Exley and Edgars Lode (Scotland TranServ), Sam Hunter, Gordon Gibney and Colin Pratt (Balfour Beatty) for their cooperation in the design of the scour monitoring system, its installation  ... 
doi:10.3390/s20154096 pmid:32717822 fatcat:trijgxbgjrhbxjg47zrjjwo3ju

RSS Based Bridge Scour Measurement Using Underwater Acoustic Sensor Networks

Prabhat Dahal, Dongming Peng, Yaoqing (Lamar) Yang, Hamid Sharif
2013 Communications and Network  
In this paper, we propose and investigate an effective method to utilize Received Signal Strength (RSS) for measuring scour depth where acoustic sensors are deployed.  ...  We also extend a statistical testing to determine the difference in signal levels at the sensor nodes prior to and after scour formation and subsequently determine the actual depth of scour.  ...  Underwater Acoustic Sensor Networks (Underwater-ASN) consist of a variable number of sensors that are deployed to conduct the task of collaborative monitoring over a particular area of interest.  ... 
doi:10.4236/cn.2013.53b2115 fatcat:233lvyz3p5davetjkgjhthaxhu

Wireless monitoring of scour and re-deposited sediment evolution at bridge foundations based on soil electromagnetic properties

Panagiotis Michalis, Alessandro Tarantino, Christos Tachtatzis, Martin D Judd
2015 Smart materials and structures (Print)  
This study presents a new sensor for measuring scour depth variation and sediment deposition processes in the vicinity of the foundations to underpin systems for early warning of impending structural failure  ...  Results indicate that the sensor is highly sensitive to underwater bed level variations and can provide an economical and accurate structural health monitoring alternative to existing instruments.  ...  Acknowledgments: The authors would like to thank the reviewers for their constructive feedback and Dr M. Saafi for the assistance in the introductory part of the article.  ... 
doi:10.1088/0964-1726/24/12/125029 fatcat:6l7jb35ifjfvnnnod3qf7krosa

A review of bridge scour monitoring techniques

L.J. Prendergast, K. Gavin
2014 Journal of Rock Mechanics and Geotechnical Engineering  
Most monitoring regimes are based on expensive underwater instrumentation that can often be subjected to damage during times of flooding, when scour risk is at its highest.  ...  Monitoring scour is of paramount importance to ensure the continued safe operation of the aging bridge asset network.  ...  Acknowledgments The authors would like to acknowledge the support of the Earth and Natural Sciences (ENS) Doctoral Studies Program, funded by the Higher Education Authority (HEA) through the Program for  ... 
doi:10.1016/j.jrmge.2014.01.007 fatcat:hvoa7uuajbclfgkkui6fl2waq4

Study on Dynamic Response Measurement of the Submarine Pipeline by Full-Term FBG Sensors

Jinghai Zhou, Li Sun, Hongnan Li
2014 The Scientific World Journal  
In structural health monitoring systems, fiber Bragg grating (FBG) is a promising measurement technology for its superior ability of explosion proof, immunity to electromagnetic interference, and high  ...  FBG sensors and strain gauges are used to monitor the dynamic response of a submarine pipeline model under a variety of dynamic loading conditions and the maximum working frequency of an FBG strain sensor  ...  Acknowledgments This work has been supported by the National Natural Science Foundation of China (51178277), Program for New Century Excellent Talents in University (NCET-12-1013), Program for Liaoning  ... 
doi:10.1155/2014/808075 pmid:24971391 pmcid:PMC4058254 fatcat:wo2dul4wezhutb323774lql7gq

Real time bridge scour monitoring with magneto-inductive field coupling

Andriy Radchenko, David Pommerenke, Genda Chen, Pratik Maheshwari, Satyajeet Shinde, Viswa Pilla, Yahong R. Zheng, Jerome P. Lynch, Chung-Bang Yun, Kon-Well Wang
2013 Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2013  
For practical application of bridge scour monitoring, the protected or sealed Smart Rock PCB is further embedded into artificial rocks to integrate with the scour mitigation.  ...  In application, the Smart Rock PCB is enclosed into a water-proof (sealed) shell for the purpose of underwater protection.  ...  scour monitoring).  ... 
doi:10.1117/12.2009002 fatcat:urmn3tpp6jgd3nrff6s7wdldlu

PHYSICAL MODELING OF SCOUR AROUND TRIPOD FOUNDATION STRUCTURES FOR OFFSHORE WIND ENERGY CONVERTERS

Arne Stahlmann, Torsten Schlurmann
2011 Coastal Engineering Proceedings  
The investigation method consists of a unique combination of local scour monitoring as well as physical and numerical modeling, whereas the physical modeling part was carried by means of 1:40 laboratory  ...  share of renewable energies, the first German offshore test site alpha ventus has been installed in the North Sea in 2009 in water depths of 30 m, where experience shall be gained and made available for  ...  Scour monitoring in the test site Within the framework of the RAVE cooperation, a scour monitoring campaign is carried out by the German Federal Maritime and Hydrographic Agency (BSH).  ... 
doi:10.9753/icce.v32.sediment.67 fatcat:cilqn536m5eszgvhlkml34tibm

Front Matter: Volume 10599

Peter J. Shull
2018 Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XII  
Publication of record for individual papers is online in the SPIE Digital Library. SPIEDigitalLibrary.org Paper Numbering: Proceedings of SPIE follow an e-First publication model.  ...  defects presented on the facades of a building 10599 0H An energy-harvesting power supply for underwater bridge scour monitoring sensors SESSION 4 AEROSPACE AND ADVANCED MATERIALS SHM/NDE I 0I  ...  calibration testing of non-destructive monitoring techniques [10599-83] 10599 2F Piezoelectric wafer active sensors under gamma radiation exposure toward applications for structural health monitoring  ... 
doi:10.1117/12.2326422 fatcat:y72xkfikkvcyzaczt4hgac5d5a

Requirements of the Scenarios

ATLANTIS
2020 Zenodo  
Deliverable of Workpackage 2 of ATLANTIS, focused on the requirements for each of the scenarios considered, to assess the technological developments required to move from current methodologies to proposed  ...  An autonomous surface vehicle (ASV) equipped with 3D sensors for the aerial domain (e.g. stereo cameras, 3D LIDAR) and surveying sensors for the underwater domain (e.g. multi-beam sonar) is transported  ...  This underwater perception system provides dense and accurate 3D information of complex underwater scenes. This sensor provides high-precision 3D reconstructions for short-distance inspections.  ... 
doi:10.5281/zenodo.5042760 fatcat:k6h227n3u5fovfp4kosowvyhx4

Sensors to Increase the Security of Underwater Communication Cables: A Review of Underwater Monitoring Sensors

Eleftherakis, Vicen
2020 Sensors  
oceanographic) that could be used for autonomous monitoring of the underwater cable environment.  ...  Monitoring the underwater cable environment is rare and any intervention is usually driven by cable faults.  ...  The authors would like to thank TeleGeography [2] for kindly allowing the use of the screenshot of an underwater cable map shown in this paper.  ... 
doi:10.3390/s20030737 pmid:32013207 pmcid:PMC7038480 fatcat:rj5zpq2ujrebxcz2wzhspx7rtm

Robust Gesture-Based Communication for Underwater Human-Robot Interaction in the context of Search and Rescue Diver Missions [article]

Arturo Gomez Chavez, Christian A. Mueller, Tobias Doernbach, Davide Chiarella, Andreas Birk
2018 arXiv   pre-print
We propose a robust gesture-based communication pipeline for divers to instruct an Autonomous Underwater Vehicle (AUV) to assist them in performing high-risk tasks and helping in case of emergency.  ...  A hierarchical classification approach is introduced for hand gesture recognition based on stereo imagery and multi-descriptor aggregation to specifically cope with underwater image artifacts, e.g. light  ...  * In underwater scenarios, there are unique sensor problems due to the attenuation of high-frequency electromagnetic waves: WiFi and radio signals become quickly unreliable at 0.5 m depth, no GPS,  ... 
arXiv:1810.07122v1 fatcat:4bw43bkltzg7nkv6vanwzm2ipe

Image Distortion Correction Method Of 2-Mhz Side Scan Sonar For Underwater Structure Inspection

Youngseok Kim, Chul Park, Jonghwa Yi, Sangsik Choi
2018 Zenodo  
The 2-MHz Side Scan SONAR (SSS) attached to the boat for inspection of underwater structures is affected by shaking. It is difficult to determine the exact scale of damage of structure.  ...  It is possible to get the accurate sonar data to inspect damage in underwater structure.  ...  ACKNOWLEDGMENT This study is a research project supported by the government (Ministry of Land, Infrastructure, and Transport) the development of unmanned safety diagnosis system for underwater structures  ... 
doi:10.5281/zenodo.1316214 fatcat:zccdqzt755bcph7jpchc3p4awa

Condition Assessment of Reinforced Concrete Bridges: Current Practice and Research Challenges

Tarek Omar, Moncef Nehdi
2018 Infrastructures  
The study suggests appropriate investigation methods for some bridge deterioration mechanisms.  ...  Also, the configuration of monitoring systems was found to be paramount in effectively assessing bridge performance parameters of interest.  ...  For instance, corrosion can be tracked by monitoring the electrical outputs in a cathodic protection system, whereas scour monitoring involves using acoustic, pier-mounted sensors to track scour depth  ... 
doi:10.3390/infrastructures3030036 fatcat:4yvfh6extzgbtnpry2pvhm3gnm

Results from Developments in the Use of A Scanning Sonar to Support Diving Operations from A Rescue Ship

Artur Grządziel
2020 Remote Sensing  
Typical scanning sonar applications include search and recovery operations, imaging of underwater infrastructure, and scour monitoring. The use of these sonars is often limited to shallow waters.  ...  In this paper, a novel, nonstandard technique for use of a scanning sonar is proposed.  ...  Due to the strong attenuation of electromagnetic waves in the aquatic environment, video sensors and radar equipment are not suitable for searching for underwater objects and imaging the surface of the  ... 
doi:10.3390/rs12040693 fatcat:nygrlnitfjd7nmtymthl5n3gtu

A hydrographic time series station in the Wadden Sea (southern North Sea)

Rainer Reuter, Thomas H. Badewien, Alexander Bartholomä, Axel Braun, Andrea Lübben, Jürgen Rullkötter
2009 Ocean Dynamics  
Additional sensors were installed for measuring oxygen, nutrients and methane in the seawater.  ...  Compact optical spectrometers are being used for spectral measurements of seawater transmission and for daylight reflectance.  ...  , to Nina Gemein for processing the RAMSES radiometer data, and to Nadine Juditzki for the phytoplankton analyses.  ... 
doi:10.1007/s10236-009-0196-3 fatcat:wo25p22edjf2vetbqws3wiyrrq
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