| 南水北调釜山隧洞管棚施工技术 |
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| 引用本文： | 江新.南水北调釜山隧洞管棚施工技术[J].人民长江,2008,39(24):8-9. |
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| 作者姓名： | 江新 |
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| 作者单位： | 三峡大学,经济与管理学院,湖北,宜昌,443002 |
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| 摘 要： | 管棚施工技术是充分发挥超前支护作用，减少地表下沉，防止围岩坍塌，从而增加施工安全度，提高隧洞长期稳定性的新型有效施工技术。介绍了釜山隧洞工程采用20 m管棚超前支护的施工技术，运用该技术可以克服隧洞洞口裂隙多、围岩破碎等不利地质条件，加快施工进度，确保安全生产，提高隧道的长期稳定性，使洞室成型保持整体完好，围岩整体稳定能得到保证，并取得了一定的经济效益和社会效益。对其他类似工程的施工具有显著的借鉴和指导意义。
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| 关 键 词： | 管棚施工 施工技术 釜山隧洞 南水北调中线工程 |
Pipe-shed construction technology for Fushan tunnel of South to North Water Diversion Works |
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| JIANG Xin.Pipe-shed construction technology for Fushan tunnel of South to North Water Diversion Works[J].Yangtze River,2008,39(24):8-9. |
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| Authors: | JIANG Xin |
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| Abstract: | Pipe-shed construction technology can reduce earth surface sediment,prevent surrounding rock mass collapse by advanced support to improve long-time stability of tunnel.This paper introduces advanced support by 20 m pipe-shed in Fushan tunnel.This technology can ovecome the unfavorable conditions of multiple fissures at tunnel mouth,crushed surrounding rock mass etc.,accelerate construction progress,guarantee construction safe,improve long-time stability of tunnel,well-shaping integrety of tunnel chamber and surrounding rock mass,and obtained economic and social benefits.The construction experience has obvious reference and guilding significance. |
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| Keywords: | pipe-shed construction technology Fushan tunnel |
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