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本文介绍了二滩水电站工程导流隧洞右岸0+679剖面二维非线性有限元分析结果。着重研究岩性变化对隧洞稳定性的影响和分步开挖喷锚加固作用,并就施工方面提出了一些建议。本文对右岸导流隧洞的初步设计和施工设计有所裨益。
This paper introduces the results of two-dimensional nonlinear finite element analysis on the 0 + 679 section of the right bank of the diversion tunnel of Ertan Hydropower Station. Focus on the impact of lithology changes on the stability of the tunnel and step by step grouting reinforcement, and put forward some suggestions on construction. This article is helpful to the preliminary design and construction design of the diversion tunnel on the right bank.