Energy piles: site investigation and analysis

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Title: Energy piles: site investigation and analysis
Authors: Hemmingway, Phil
Long, Michael (Michael M.)
Permanent link: http://hdl.handle.net/10197/4887
Date: 5-Sep-2013
Abstract: Despite an increasing worldwide use of geothermal energy foundations, there is a lack of published guidelines and results from thermal response testing of such installations. In this paper the results are presented from thermal response, thermal recovery and laboratory thermal testing performed at two sites in Ireland. Some practical issues concerned with the use of thermal response testing rigs, designed for use with deep boreholes, on relatively short piles are discussed and addressed. Given the relatively short geothermally active depth of the energy foundations tested, and the fact that the University College Dublin thermal response testing rig has been designed primarily for testing on medium and deep geothermal boreholes, thermal response tests of shorter durations than are normally used for deep boreholes were performed. The techniques used to analyse the various test results are outlined, and the resulting values of thermal conductivity obtained are within the range of those expected for the prevailing geology of the sites.
Funding Details: Irish Research Council for Science, Engineering and Technology
Type of material: Journal Article
Publisher: Thomas Telford Ltd.
Copyright (published version): 2013 Thomas Telford Ltd.
Keywords: geothermal energyenergy pilesthermal effectssite investigationenergyfield testing & monitoring
DOI: 10.1680/geng.12.00075
Language: en
Status of Item: Peer reviewed
Appears in Collections:Civil Engineering Research Collection

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