Analysis of the excavation damaged zone around a tunnel accounting for geostress and unloading
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- 作者：H.Q. Yanga ; b ; yanghaiqing06@163.com" class="auth_mail ; Y.Y. Zenga ; b ; Y.F. Lana ; b ; X.P. Zhoua ; b
- 关键词：Excavation damaged zone ; Tunnel ; Geostress ; Unloading
- 刊名：International Journal of Rock Mechanics and Mining Sciences
- 出版年：July 2014
- 年：2014
- 卷：69
- 期：Complete
- 页码：59-66
- 全文大小：2012 K
文摘
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A constitutive accounting for geostress and unloading process are adopted here.
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The difference of constitutive curve between loading and unloading state are shown in this paper.
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Effects of initial microcracks on the evolution of damage zone are discussed.