Study on Basic Mechanical Behaviors of Rocks at Low Temperatures

Abstract:

Basic mechanical behaviors of rocks at different temperatures and with different moistures are required to be investigated for studying and designing rock engineering in cold regions. In this paper, two typical rocks, i.e., red sandstone and shale sampled from Jiangxi and Hubei in China, respectively, are tested by uniaxial and triaxial compressive tests at different temperatures ranging from 20°C to -20°C and in dry and fully saturated states. The test results show the different behaviors of them. The values of the uniaxial and triaxial compressive strengths, Young’s modulus, cohesion, and friction angle, increase with the lowering of the testing temperatures, but the tendencies are different for these two kinds of rock.

• Periodical: Key Engineering Materials (Volumes 306-308)
• Pages: 1479-1484
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.306-308.1479
• Online since: March 2006
• Authors: Quan Sheng Liu, Guang Miao Xu, Yun Hua Hu, Xiaoxiao Chang
• Keywords: Frozen Temperature, Rock, Triaxial Compressive Test, Uniaxial Compressive Test

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