Investigation on temperature dependent mechanical behaviour of Australian granite

W.G.P. Kumari, P.G. Ranjith, M.S.A. Perera, B.K. Chen

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

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Abstract

Geothermal heat has been identified as a renewable and reliable energy source comparative to the conventional fossils. Understanding of temperature dependent mechanical behaviour of geothermal reservoir’s rocks is however necessary for a safe and effective geothermal energy extraction. This has been studied in this study with experimental evaluating the effect of temperature on mechanical behaviour of Australian Strathbogie granite and then modeling the findings for a broader conditions. The experiments were first conducted with heating the rock samples to various temperatures and then uniaxially loading the heated samples until the failure. Experimental results clearly showed how the UCS strength of the tested granite varies with temperature, where increasing of temperature leads an initial increment in reservoir rock’s compressive strength and elastic modulus followed by their significant reductions.A finite element model was then developed with incorporating the measured temperature dependent stress stain data using ABAQUS to predict the temperature dependent mechanical behaviour of granite over a wide range of temperatures.

Original languageEnglish
Title of host publicationRock Mechanics and Rock Engineering: From the Past to the Future
Subtitle of host publicationProceedings of the 2016 ISRM International Symposium, Eurock 2016, Cappadocia, Turkey, 29-31 August 2016
EditorsResat Ulusay, Ömer Aydan, Hasan Gerçek, Mehmet Ali Hindistan, Ergün Tuncay
PublisherCRC Press
Pages253-258
Number of pages6
Volume1
ISBN (Electronic)9781315388496
ISBN (Print)9781138032651
DOIs
Publication statusPublished - 2016
EventEuropean Rock Mechanics Symposium 2016 - Perissia Hotel & Convention Center, Ürgüp, Turkey
Duration: 29 Aug 201631 Aug 2016
https://www.onepetro.org/conferences/ISRM/EUROCK16 (Proceedings)

Conference

ConferenceEuropean Rock Mechanics Symposium 2016
Abbreviated titleEUROCK 2016
CountryTurkey
CityÜrgüp
Period29/08/1631/08/16
OtherInternational Symposium on International Society for Rock Mechanics

EUROCK 2016 - the 2016 ISRM International Symposium
Internet address

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