基于Hoek-Brown强度准则的巷道围岩弹塑性研究

潘阳 赵光明 孟祥瑞

潘阳, 赵光明, 孟祥瑞. 2011: 基于Hoek-Brown强度准则的巷道围岩弹塑性研究. 工程地质学报, 19(5): 637-641.
引用本文: 潘阳, 赵光明, 孟祥瑞. 2011: 基于Hoek-Brown强度准则的巷道围岩弹塑性研究. 工程地质学报, 19(5): 637-641.
PAN Yang, ZHAO Guangming, MENG Xiangrui. 2011: ELASTRO-PLASTRC RESEARCH OF SURROUNDING ROCK BASED ON HOEK-BROWN STRENGTH CRITERION. JOURNAL OF ENGINEERING GEOLOGY, 19(5): 637-641.
Citation: PAN Yang, ZHAO Guangming, MENG Xiangrui. 2011: ELASTRO-PLASTRC RESEARCH OF SURROUNDING ROCK BASED ON HOEK-BROWN STRENGTH CRITERION. JOURNAL OF ENGINEERING GEOLOGY, 19(5): 637-641.

基于Hoek-Brown强度准则的巷道围岩弹塑性研究

详细信息
    作者简介:

    潘阳,从事矿山压力与岩层控制研究.Email: panyang1022@163.com

  • 中图分类号: TU457

ELASTRO-PLASTRC RESEARCH OF SURROUNDING ROCK BASED ON HOEK-BROWN STRENGTH CRITERION

  • 摘要: 巷道围岩区域划分和分析是确定巷道里锚杆支护、松散地压的主要依据。巷道围岩位移是煤矿巷道断面设计、确定变形地压等的主要根据。本文采用Hoek-Brown强度理论和极限平衡方程通过对侧压力系数为1的圆形理想巷道的巷道围岩进行弹塑性分析。通过上述计算求出围岩巷道的塑性半径、应力及位移,与目前广泛采用的以Mohr-Coulomb为屈服强度准则的修正的芬纳公式作为比较。
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    [2] 李通林, 谭学术,刘传伟.矿山岩石力学[M].重庆大学出版社,1991. Li Tonglin,Tan Xueshu,Liu Chuanwei. Mining rock mechanics[M]Chongqing University Press, 1991.

    [3] Hoek E,Brown E T.Empirical strength criterion for rock-masses.Journal of Geotechnical Engineering Division AS-CE, 1980, 106 (GT9): 1013~1035.

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    [5] Sun Jinshan,Lu Wenbo,Zhu Qihu,Chen Ming. Elasto-plastic Analysis of Circular Tunnels in Jointed Rock Masses Satisfy the Hoek-Brown Failure Criterion Journal of China University of Mining & Technology,2007, 17 (3): 0393~0398.

    [6] 曾钱帮, 王恩志,王思敬. Hoek-Brown破坏准则求解圆形硐室塑性区半径与修正的芬纳公式比较[J]. 沈阳建筑大学学报(自然科学版),2008, 24 (6): 933~938. Zeng Qianbang,Wang Enzhi,Wang Sijing. Comparison between plastic radius around a circular opening derived from Hoek-Brown failure criterion and calculated through modified Fenner Formula. Journal of Shenyang Jianzhu University(Natural Science),2008, 24 (6): 933~938.

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出版历程
  • 收稿日期:  2010-08-30
  • 修回日期:  2011-02-28
  • 刊出日期:  2011-10-25

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