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author:

尤涛 (尤涛.) [1] | 戴自航 (戴自航.) [2] (Scholars:戴自航)

Indexed by:

CQVIP

Abstract:

Hoek-Brown强度准则能正确反映岩体强度,描述岩体非线性破坏特征,但其参数获取存在人为因素,数据离散,不利于理论分析和数值计算.基于此,在对不规则Hoek-Brown屈服面处理并数值实现的基础上,提出用非参数统计方法研究Hoek-Brown参数敏感度,用Matlab实现拉丁抽样,借助一巷道模型,研究了参数对其围岩变形的敏感性,得到各参数的敏感度大小顺序,说明围岩塑性区和弹性区的变形受控因素不同,围岩塑性区的变形与GSI值的相关性最大.

Keyword:

GSI值 Hoek-Brown准则 参数敏感性 围岩变形 非参数统计

Community:

  • [ 1 ] [尤涛]福州大学
  • [ 2 ] [戴自航]福州大学

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Source :

有色金属(矿山部分)

ISSN: 1671-4172

CN: 11-1839/TF

Year: 2017

Issue: 1

Volume: 69

Page: 58-62,69

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 4

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