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大断面浅埋黄土隧道锚杆轴力差异分析

DOI: 10.3969/j.issn.1674-0696.2012.04.08, PP. 769-771

Keywords: 大断面黄土隧道,系统锚杆,径向位移衰减,围岩压力分布,loesstunnelwithlargecross-section,systematicanchor,radialdisplacementattenuation,distributionofsurroundingrockpressure

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Abstract:

:?以郑西铁路客运专线上的贺家庄隧道为例,研究了大断面黄土隧道中系统锚杆的受力状况,得出了拱部和边墙锚杆的受力特点,从径向位移的衰减规律和围岩压力分布形式两个角度分析了系统锚杆受力差异较大的原因,相关研究结论对黄土隧道的设计和施工具有参考价值和指导意义。

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