Near-surface rock stress orientations in alpine topography derived from exfoliation fracture surface markings and 3D numerical modelling
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- 作者：Martin Ziegler ; martin.ziegler@erdw.ethz.ch" class="auth_mail" title="E-mail the corresponding author ; Simon Loew ; Florian Amann
- 关键词：Finite-difference modelling ; Topographic stress perturbation ; In situ stress measurements ; Alpine geomorphology ; Plumose structure axis ; Principal stress directions
- 刊名：International Journal of Rock Mechanics and Mining Sciences
- 出版年：2016
- 出版时间：May 2016
- 年：2016
- 卷：85
- 期：Complete
- 页码：129-151
- 全文大小：11379 K
文摘
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We investigated near-surface principal stress orientations in Alpine valleys.
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Elastic numerical modelling revealed remarkable stress rotations in Alpine valleys.
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Stress rotations are supported by exfoliation (sheeting) joint fractographic data.
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Variability in stress directions is governed by topographic stress perturbation.
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Sheeting joint plume axes are valuable proxies for principal stress directions.