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Reference Number NIA_SPT_1607
Title Non-Intrusive Assessment Techniques for Tower Foundations
Status Completed
Energy Categories OTHER POWER and STORAGE TECHNOLOGIES(Electricity transmission and distribution) 100%;
Research Types Applied Research and Development 100%
Science and Technology Fields ENGINEERING AND TECHNOLOGY (Civil Engineering) 50%;
ENVIRONMENTAL SCIENCES (Earth Systems and Environmental Sciences) 50%;
UKERC Cross Cutting Characterisation Not Cross-cutting 100%
Principal Investigator Project Contact
No email address given
SP Energy Networks
Award Type Network Innovation Allowance
Funding Source ENA Smarter Networks
Start Date 01 October 2016
End Date 01 November 2017
Duration 13 months
Total Grant Value £110,000
Industrial Sectors Power
Region Scotland
Programme Network Innovation Allowance
 
Investigators Principal Investigator Project Contact , SP Energy Networks (100.000%)
Web Site http://www.smarternetworks.org/project/NIA_SPT_1607
Objectives The primary deliverable will be a report demonstrating how effective the two approaches, vibration and ground penetrating radar are, both separately and in combination. In some respects, the approaches are complementary, and it is expected that they will reveal different aspects of the structure. If the effectiveness of the methods is demonstrated, further optional deliverables may be pursued: Software to facilitate the use of the techniques by non-experts. Training in the use of the techniques by non-experts. The project will be considered successful if the aforementioned objectives are realised.
Abstract The structures that make up our transmission overhead line network can be extended with good maintenance and strategic replacement of steelwork. It is easy to observe and identify the corrosion level of the bare steelwork on a lattice tower. However evaluating the condition of the tower steelwork and concrete when buried out of sight is very difficult. The current approach for evaluating the condition of existing tower foundations involves excavating around the foundations so they can be visually inspected. The excavation increases the complexity, cost and environmental impact of the inspection. The foundations are subject to targeted assessment during, or before major works; every tension and angle tower is assessed as well as a sample 20% of suspension tower foundations. Due to the intensive labour and time effort involved, it is normal practice to intrusively inspect only a sample of towers SPEN will provide validation and quantification of the potential benefits and provide guidance to Transmission Owners (TOs) and Distribution Network Operators (DNOs) for its implementation into Business as Usual (BaU). This will be achieved through the following methodology: 1. Technology Demonstration Impact Excitation Ground Penetrating Radar 2. Validation and Verification 3. Modal Analysis4. Finite Element AnalysisNote : Project Documents may be available via the ENA Smarter Networks Portal using the Website link above
Publications (none)
Final Report (none)
Added to Database 14/09/18