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Laboratory investigations on the mechanical properties degradation of granite under freeze-thaw cycles
Tan, Xianjun1; Chen, Weizhong1,2; Yang, Jianping1; Cao, Junjie1
2011
Source PublicationCOLD REGIONS SCIENCE AND TECHNOLOGY
ISSN0165-232X
Volume68Issue:3Pages:130-138
AbstractTo understand the deteriorate characteristics of granite in cold regions, the influences of freeze-thaw cycles on the mechanical properties need to be investigated. The rock specimens (biotite granite from Tibet in China) were frozen and thawed in a temperature and humidity controlled container where the temperature varied from +40 to -40 degrees C and the humidity was kept at 100% continuously. The freeze-thaw tests were conducted for one cycle including 4 h of freezing and 4 h of thawing, and the number of cycles was from 0 to 150. The deterioration of the specimens was examined by the changes of strength, deformation characteristics, elastic modulus, cohesive strength and internal frictional angle in a series of uniaxial and triaxial compression tests. The experimental results show that (1) the axial strain corresponding to the peak stress increases with an increasing of confining pressure and freeze-thaw cycles; (2) The compressive strength decayed exponentially with the number of freeze-thaw cycles, as well as elastic modulus and cohesive strength; (3) the internal frictional angle remained constant in the process of freeze-thaw cycles; (4) The interrelation among compressive strength, confining pressure and number of cycles can be described by Mohr-Coulomb strength criterion. (C) 2011 Elsevier B.V. All rights reserved.
KeywordFreeze-thaw cycles Degradation Granite
DOI10.1016/j.coldregions.2011.05.007
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Geology
WOS SubjectEngineering, Environmental ; Engineering, Civil ; Geosciences, Multidisciplinary
WOS IDWOS:000295250700006
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://119.78.100.198/handle/2S6PX9GI/3306
Collection岩土力学所知识全产出_期刊论文
国家重点实验室知识产出_期刊论文
Affiliation1.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn ;
2.Shandong Univ, Res Ctr Geotech & Struct Engn
First Author AffilicationInstitute of Rock and Soil Mechanics, chinese Academy of sciences
Recommended Citation
GB/T 7714
Tan, Xianjun,Chen, Weizhong,Yang, Jianping,et al. Laboratory investigations on the mechanical properties degradation of granite under freeze-thaw cycles[J]. COLD REGIONS SCIENCE AND TECHNOLOGY,2011,68(3):130-138.
APA Tan, Xianjun,Chen, Weizhong,Yang, Jianping,&Cao, Junjie.(2011).Laboratory investigations on the mechanical properties degradation of granite under freeze-thaw cycles.COLD REGIONS SCIENCE AND TECHNOLOGY,68(3),130-138.
MLA Tan, Xianjun,et al."Laboratory investigations on the mechanical properties degradation of granite under freeze-thaw cycles".COLD REGIONS SCIENCE AND TECHNOLOGY 68.3(2011):130-138.
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