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武夷隧道开挖与支护中围岩塑性区发展的有限元数值分析

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摘要 随着我国铁路隧道开挖向长大型方向的发展,其隧道结构的稳定性问题成为设计和施工的关键性问题。文章选取京福铁路武夷隧道为研究对象,采用有限元数值分析法,对隧道在无支护、初次支护和二次支护三个不同阶段中的围岩塑性区动态分布发展变化过程进行了深入研究。
作者 邬健茹
出处 《甘肃科技》 2015年第10期77-79,共3页 Gansu Science and Technology
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