| 某隧道初期支护混凝土开裂处理及效果分析 |
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| 引用本文： | 程浩,周建春.某隧道初期支护混凝土开裂处理及效果分析[J].现代隧道技术,2011,48(4):148-151. |
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| 作者姓名： | 程浩 周建春 |
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| 作者单位： | 华南理工大学,广州,510640 |
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| 摘 要： | 文章结合某高速公路隧道工程初期支护开裂处理情况,分析了初期支护混凝土的开裂原因,以及采用的洞内小导管注浆加固裂缝区、加强开裂区监控量测等处理措施及效果。工程实践表明,经过处理后的隧道周边收敛和拱顶下沉量均在规范允许范围内,取得了良好的效果,为今后类似软弱围岩隧道施工积累了经验。
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| 关 键 词： | 公路隧道 初期支护 开裂 监控量测 |
Analysis of Primary Support Concrete Cracking Treatment and its Effects |
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| Cheng Hao,Zhou Jianchun.Analysis of Primary Support Concrete Cracking Treatment and its Effects[J].Modern Tunnelling Technology,2011,48(4):148-151. |
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| Authors: | Cheng Hao Zhou Jianchun |
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| Institution: | Cheng Hao Zhou Jianchun(South China University of Technology,Guangzhou 510640) |
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| Abstract: | CCauses of concrete cracking in the primary support were analyzed for an expressway tunnel.Pipe injection reinforcement was undertaken and measurement and monitoring were increased in the cracking area.Results showed that convergences and crown settlements of the tunnel were within the range permitted by specifications. |
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| Keywords: | Highway tunnel Primary support Cracking Measurement and monitoring |
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