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2. Kang Hongpu, Lin Jian, Yan Lixin, Zhang Xiao, Wu Yongzheng, Si Linpo. Study on the characteristics of underground in-situ stress distribution in Shanxi coal mining fields. Chinese Journal of Geophysics, 2009, 2(7): 1782-1792 in Chinese).
3. Wang Jinhua. New development of rock bolting technology for coal roadway in China Journal of China Coal Society, 2007, 32 (2): 113∼118.
4. Kang Hongpu, Wang Jinhua, Lin Jian. High pretensioned stress and intensive bolting system and its application in deep roadways. Journal of China Coal Society, 2007, 32(12): 1233-1238 (in Chinese).
5. Wu Yongzheng. High pre-tensioned rock bolts support of roadways suffered from severe in situ stresses with. Coal Science and Technology, 2010 38(3): 12∼15.(in Chinese).