| 城市复杂环境下大断面隧道施工技术 |
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| 引用本文： | 苏开娟.城市复杂环境下大断面隧道施工技术[J].铁道建筑技术,2009(5):123-125,137. |
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| 作者姓名： | 苏开娟 |
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| 作者单位： | 中铁十七局集团第六工程有限公司,福州,350001 |
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| 摘 要： | 介绍了大断面市政隧道在复杂环境下，针对不同隧道围岩地质条件，因地制宜采取三台阶法和“导洞先行、后续扩挖法”，并采用动态监测手段，从而既有效控了制地表构筑物变形，又确保了隧道施工安全、快速顺利地通过浅埋段。
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| 关 键 词： | 大断面隧道 监测 三台阶 |
Construction Technology of the Large-section Tunnel under the Complex Environment in City |
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| Su Kaijuan.Construction Technology of the Large-section Tunnel under the Complex Environment in City[J].Railway Construction Technology,2009(5):123-125,137. |
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| Authors: | Su Kaijuan |
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| Institution: | Su Kaijuan ( China Railway 17^th Bureau Group Co. Ltd. , Fuzhou 350001, China) |
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| Abstract: | In this paper, the author introduces three steps in line with local conditions and ＂first lead to the hole,and then enlarge dig＂ method at the municipal complex environment of large-section tunnel, directly aiming at the the tunnel for different geological conditions. Combined with dynamic monitoring means, the construction technologies effectively controlled the deformation of surface structures, but also ensureed the tunnel construction safety, and went through shallow section quickly and successfully. |
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| Keywords: | large-section tunnel monitor three steps |
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