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王楠
Urban and Rural Studies 2023 No.22
中铁二十局集团第四工程有限公司
高铁隧道由于开挖断面大、埋深浅、围岩松动等特点,对隧道施工的安全和质量提出较高要求。超前支护技术可提高围岩的稳定性,减少变形沉降,保证施工安全。基于此,本文介绍了超前支护的基本概念、主要形式,以某高铁隧道为例,详细阐述了大管棚超前支护的施工工艺及施工技术要点,利用数值模拟方法分析了大管棚超前支护对围岩应力、位移的影响,旨在为高铁隧道施工提供参考。
高铁隧道;隧道施工;超前支护;支护技 术;大管棚
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Language: 中文
CN:10-1589/TU
ISSN:2096-6539
Publication Frequency: 半月刊
An academic processing and support platform focusing on journal databases, submission and review, and pre-typesetting.