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Volume 20 Issue 4
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Ding Chunlin. Analysis of stability factors of surrounding rock in double track tunnel during support and reinforcement[J]. Chinese Journal of Geotechnical Engineering, 1998, 20(4): 65-69.
Citation: Ding Chunlin. Analysis of stability factors of surrounding rock in double track tunnel during support and reinforcement[J]. Chinese Journal of Geotechnical Engineering, 1998, 20(4): 65-69.
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Analysis of stability factors of surrounding rock in double track tunnel during support and reinforcement

  • Institute of Geotechnical Engineering Shanghai Tiedao University 200331

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  • Published Date: July 23, 1998
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  • This paper analyses influence of shotcrete′s strength and thickness ,anchors′ strength , diameter and space ,surrounding rock′s cohesion,internal friction angle etc. within grouting region on surrounding rock stability of double track tunnel during support and reinforcement by using a elastoplastic finite element method,which provides reference for optimization design for tunnel and underground structure and engineering disposal . In the paper ,surrounding rock is dispersed by rectangular elements ,then shotcrete and anchors are imitated by using truss elements . Slide plane is dealt with a low intensity medium,and the common isoparametric element with four node is adopted .
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