THERMAL SCIENCE

International Scientific Journal

Fei Li

,

Chun-Xiang Li

,

Hui-Lan He

,

Ben-Gao Yang

,

Jing-Li Lu

RESEARCH ON PHYSICAL-MECHANICAL PROPERTIES AND ENERGY EVOLUTION CHARACTERISTICS OF GRANITE AFTER HIGH TEMPERATURE TREATMENT

ABSTRACT
Granite is the main carrier of geothermal energy of hot dry rock. Therefore, the study of influence of different temperatures on the physical-mechanical properties and energy evolution characteristics of granite after high temperature treatment is an important way to guide the successful exploitation of hot dry rock geothermal resources. Physical tests and uniaxial compression tests were carried out on granite after high temperature treatment ranging from 25-350°C. The results show that change rates in volume, mass, density, P-wave velocity and porosity of granite increase with increasing temperature. The research results can provide basic data support for the safe and efficient development of hot dry rock in China, and also develop the theory of high temperature rock mechanics.
KEYWORDS
granite, High temperature treatment, Physical property, Uniaxial compression test, energy evolution
PAPER SUBMITTED: 2022-08-27
PAPER REVISED: 2022-11-05
PAPER ACCEPTED: 2022-11-23
PUBLISHED ONLINE: 2023-01-21
DOI REFERENCE: https://doi.org/10.2298/TSCI220827009L
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2023, VOLUME 27, ISSUE Issue 1, PAGES [497 - 504]
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Research on physical-mechanical properties and energy evolution characteristics of granite after high temperature treatment

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence