An experimental investigation on thermal damage and failure mechanical behavior of granite after exposure to different high temperature treatments

• Published in: Geothermics Vol. 65; pp. 180 - 197
• Main Authors: Yang, Sheng-Qi, Ranjith, P.G., Jing, Hong-Wen, Tian, Wen-Ling, Ju, Yang
• Format: Journal Article
• Language: English
• Published: Oxford Elsevier Ltd 01.01.2017; Elsevier Science Ltd
• Subjects: Acoustic emission; Axial strain; Axial stress; Coal gasification; Coal mines; Coal mining; Coalescence; Coalescing; Compression; Compression tests; Computed tomography; Cracking (fracturing); Damage; Deformation; Deformation mechanisms; Ductile fracture; Failure; Fracture mechanics; Gasification; Geothermal energy; Geothermal power; Grains; Granite; Heat treatment; High temperature; Mechanical properties; Microcracks; Poisson's ratio; Pollution monitoring; Radioactive wastes; Storage modulus; Strength; Temperature effects; Thermal damage; Thermal expansion; Waste disposal; X-ray micro CT; Deformation; High temperature; X-ray micro CT; Strength; Thermal damage; Granite
• ISSN: 0375-6505; 1879-3576
• DOI: 10.1016/j.geothermics.2016.09.008

•Analyze the thermal damage behavior of granite by optical microscopic observation.•Investigate the effect of temperature on the strength and deformation parameters of granite.•Explore the acoustic emission behavior of granite subjected to various high temperature treatment.•Discuss the internal cra...