3 projets européens trouvés
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TERMINÉ
Smart condition monitoring and prompt NDT assessment of large concrete bridge structures (CROSS-IT)
Date du début: 1 nov. 2011, Date de fin: 31 janv. 2014,
"Today pre-stressed concrete bridges represent well over 50 percent of all bridges built. This increase has resulted from advancements in design and analysis procedures and materials, however the life of a concrete structure is still dependant on corrosion of the many internal steel reinforcements. As above, there appears to be a complete lack of appropriate international standards or specific reg ...
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6
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TERMINÉ
Offshore Wind Turbine Towers – A Quicker, Cheaper Flange Supply Route (RingMan)
Date du début: 1 déc. 2011, Date de fin: 30 nov. 2013,
There is a tendency to higher power offshore wind turbines, leading to larger turbine towers (5m diameter and greater) and a requirement for large diameter connection flanges between the tower sections and between the tower and foundation transition pieces. Currently, forged rings are specified, with inherently high cost and few suppliers worldwide. This leads to long lead times and higher costs f ...
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7
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TERMINÉ
Long range ultrasonic system for continuous in service inspection and structural health monitoring of high temperature superheated steam pipes in power generation plant with 100% coverage (HotScan)
Date du début: 1 févr. 2011, Date de fin: 31 juil. 2013,
A typical electricity power plant of 500MW (both nuclear and conventional) has up to 4 kilometres of pipe work carrying superheated steam at pressures of up to 400 bars and temperatures up to 580 oC. The extreme pressures produce hoop stresses in a pipe causing the pipe welds to creep continuously in time until weld creep cracks are generated which, if undiscovered, may grow until the pipe rupture ...
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