| 监控量测在隧道大变形治理中的运用 |
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| 引用本文： | 王林,吕康成.监控量测在隧道大变形治理中的运用[J].筑路机械与施工机械化,2010,27(4):61-64. |
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| 作者姓名： | 王林 吕康成 |
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| 作者单位： | 1. 中铁隧道勘测设计院有限公司,天津,300133
2. 长安大学公路学院,陕西,西安,710064 |
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| 摘 要： | 结合黄塔高速公路长干1号隧道大变形段的施工实践,选取有代表性的断面进行现场观察、围岩位移量测、轴力锚杆量测和对各种钢筋应变计的应变量测,依据量测的有效数据,及时提出了增加临时钢支撑和临时仰拱、增设锁脚钢管、地表回填注浆、洞身注浆加固等方案,使黄塔高速顺利通过隧道大变形段。
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| 关 键 词： | 隧道围岩 监控量测 大变形 治理 |
Application of Monitoring Survey Technique in Large Deformation Control of Tunnel |
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| WANG Lin,LU Kang-cheng.Application of Monitoring Survey Technique in Large Deformation Control of Tunnel[J].Road Machinery & Construction Mechanization,2010,27(4):61-64. |
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| Authors: | WANG Lin LU Kang-cheng |
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| Institution: | WANG Lin,LU Kang-cheng 1.China Railway Tunnel Survey & Design Institute Co.Ltd.,Tianjin 300133,China 2.School of Highway,Chang\'an University,Xi\'an 710064,Shaanxi,China |
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| Abstract: | Combined the construction of large deformation section of Changgan No.1 Tunnel which is one of the great span tunnels of Huangta expressway.Representative cross-section is selected to carry on-site observation and measurement of surrounding rock displacement,axial force measuring bolt,steel strain gauges.According to the effective measurement data,some measures such as increasing temporary support and temporary steel inverted arch,adding steel locking pin,surface backfill grouting,hole body injection techno... |
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| Keywords: | tunnel surrounding rock monitoring measurement large deformation control |
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