Load-Unload Response Ratio (LURR), Accelerating Moment/Energy Release (AM/ER) and State Vector Saltation as Precursors to Failure of Rock Specimens

@article{Yin2004LoadUnloadRR,
  title={Load-Unload Response Ratio (LURR), Accelerating Moment/Energy Release (AM/ER) and State Vector Saltation as Precursors to Failure of Rock Specimens},
  author={Xiang-Chu Yin and Huai-zhong Yu and Victor Kukshenko and Zhao-yong Xu and Zhishen Wu and Min Li and Keyin Peng and Surgey Elizarov and Q Y Li},
  journal={pure and applied geophysics},
  year={2004},
  volume={161},
  pages={2405-2416}
}
Abstract — In order to verify some precursors such as LURR (Load/Unload Response Ratio) and AER (Accelerating Energy Release) before large earthquakes or macro-fracture in heterogeneous brittle media, four acoustic emission experiments involving large rock specimens under tri-axial stress, have been conducted. The specimens were loaded in two ways: monotonous or cycling. The experimental results confirm that LURR and AER are precursors of macro-fracture in brittle media. A new measure called… CONTINUE READING

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