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标题 |
大跨距渐变四连拱隧道施工力学效应数值模拟研究(49 卷) |
英文标题 |
Numerical simulation study on mechanical effect of tunnel with changeable large span four continuous arch |
摘要 |
以秦岭终南山公路隧道2号通风竖井工程风道系统一大跨变截面四联拱隧道为工程背景,采用三维有限差分(FLAC3D)对该四联拱隧道施工过程进行了三维数值模拟计算,计算分析了开挖过程中和开挖后的二次应力场、变形场变化规律和塑性区分布特征,得出了关键施工部位的位移和应力分 |
作者 |
新闻作者:刘宝许,赵超志,高崇林 |
关键字 |