3D numerical analysis of deep tunnel through short weak zone

机译：穿过短弱区的深埋隧道的3D数值分析

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A 3D FE-analysis of a deep tunnel through a short weak zone is presented. The weak zone is sandwiched between competent rocks. The tunnel is to be driven by drill-and-blast. The support consists mainly of shot-crete and rock bolts. The analysis takes into account the nonlinear ground properties, changing tunnel geometry and excavation sequence. Emphasis is placed on the arching effect due to the competent rock on both sides of the weak zone.

机译：提出了通过短弱区的深隧道的3D FE分析。弱区夹在有能力的岩石之间。隧道将由爆破驱动。支撑主要由喷射混凝土和岩石螺栓组成。分析考虑了非线性地面特性，不断变化的隧道几何形状和开挖顺序。重点放在拱形效果上，这是由于薄弱区域两侧的岩石均能胜任。

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来源
《International Symposium on Geotechnical Measurements and Modelling; Sep 23-25, 2003; Karlsruhe, Germany》|2003年|p.111-116|共6页
会议地点 Karlsruhe(DE)
作者
W. Wu; S. Malla; J. Kaelin; D. Fellner;
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作者单位

Electrowatt Infra Ltd. Electrowatt-Ekono Ltd, Zurich, Switzerland;

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原文格式 PDF
正文语种 eng
中图分类公路运输;
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3D numerical analysis of deep tunnel through short weak zone

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