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Dr Adam Butler, Robert Rigg, Glen Hobbs
The cost of maintenance is a serious problem. Preventive Maintenance is a good strategy if implemented well, but can led to unnecessary costs if items are replaced unnecessarily. Predictive maintenance can augment preventative maintenance by using real time instrumentation to monitor conditions. These techniques have been effective at recognizing the symptoms of impending machine failure
Glen Hobbs and Associates (GH&A) recently analysed pressure and displacement data from hydraulically actuated hoisting equipment of a large emergency closure fixed wheel gate. Data analysis enabled GH&A to pin-point causes of the gate malfunction. Anomalies in the data waveform corresponded to impacts and squeeze points in the system. Furthermore, comparing recent test data with older data highlighted gate deterioration over time.
Testing, analysis and trending of data enables asset managers to better predict the point at which maintenance really needs to be performed and shows that careful analysis of relevant data can help solve multi-faceted problems.
Keywords: Operations, Maintenance, Asset Management, Gates.
Now showing 1–12 of 41 search results:
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2010 Papers
2010 – What Your Asset is Telling You – Testing and Analysis of Data
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2010 Papers
2010 – Water for Central Queensland – Connors River Dam and Pipeline Project
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2010 – Using a clay cemented sandstone as RCC aggregate – a major breakthrough at Wyaralong Dam
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2010 Papers
2010 – Unique Approach of an Integrated Design for a Challenging 180 Metre High Stepped Spillway
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2010 Papers
2010 – U.S. Army Corps of Engineers Dam Safety and Asset Management of Mechanical /Electrical Systems for Dams
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2010 Papers
2010 – TOWARDS UNDERSTANDING A KARST FOUNDATION: USE OF A THREE DIMENSIONAL FOUNDATION MODEL AT DARWIN DAM
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2010 Papers
2010 – The applications of expert rule systems in decision-making
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2010 Papers
2010 – Seepage Detection within Embankment Dams using Infrared Thermal Imaging
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2010 Papers
2010 – Response and failure prevention, following the identification of a major lining defect in the Tekapo Canal, New Zealand
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2010 Papers
2010 – Regulating Dam Safety: How do we compare?
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2010 – Pukaki Canal Intake structure repairs – November 2009 – 62 hours on the slab
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2010 Papers
2010 – Performance of Taum Sauk Upper Reservoir Dam During Reservoir Refill
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2010 Papers
2010 – Overview of Recent Dam Safety Activity on the Waikato Hydro System
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2010 Papers
2010 – Mildura Weir Denil Fishway An Innovative Fish Passage Solution for a Unique Site
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2010 Papers
2010 – Maintenance and Human Error – The Australian Dam Experience
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