邙山高边坡对穿黄竖井变形影响三维数值分析
Yangtze River（2010）
Abstract
南水北调中线一期穿黄盾构隧洞南岸工作竖井紧邻黄河右岸邙山边坡坡脚.邙山边坡高约80m,边坡陡峻,山体及竖井所处地层均为黄土类粉质壤土.南岸竖井开挖将对邙山高边坡造成扰动,邙山高边坡对南岸竖井具有明显的偏压作用,也会影响南岸竖井结构变形和受力.通过建立三维数值模型,分析了邙山高边坡影响下竖井在开挖及充水各个工况下的结构变形和应力,并对竖井结构设计提出相应的建议.
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Key words
tunnel passing through the Yellow River,numerical analysis,slope,shaft well,Mangshan,deformation
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