On the contrary, failure strain, Poisson’s ratio, and friction angle showed an increasing trend with increasing temperature 10 – 12 .
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Micro-mechanisms of temperature-dependent triaxial strength in Beishan granite and implications for high-level radioactive waste disposal.
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The sentences
With the increase of confining pressure, the Poisson’s ratio of granite specimens under different temperatures showed a decreasing trend, which was most significant in the Beishan granite specimens after 500°C high-temperature treatment.