| 不良地质条件大断面导流洞开挖支护的施工技术 |
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| 引用本文： | 马志峰.不良地质条件大断面导流洞开挖支护的施工技术[J].西北水电,2008(5):38-40. |
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| 作者姓名： | 马志峰 |
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| 作者单位： | 二滩水电开发有限公司,成都,610021 |
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| 摘 要： | 在大断面导流洞的开挖施工过程中，由于开挖跨度较大，遇到不良地质情况时容易出现施工安全问题甚至塌方冒顶事故。结合中国国内已完工的或正在施工的大型导流洞在处理不良地质段施工中的经验与教训，对导流洞开挖支护施工技术进行总结，对其它的大断面导流洞的开挖支护施工有所借鉴。
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| 关 键 词： | 不良地质 导流洞 开挖支护 施工技术 |
Construction technology for excavation support of large section diversion tunnel in poor geological conditions |
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| MA Zhi-feng.Construction technology for excavation support of large section diversion tunnel in poor geological conditions[J].Northwest Water Power,2008(5):38-40. |
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| Authors: | MA Zhi-feng |
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| Affiliation: | MA Zhi - feng (Ertan Hydropower Development Company, Ltd, Chengdu 610021, China) |
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| Abstract: | Because of big excavation span in construction of large section diversion tunnel, construction safety problems or even cavingin accidents easily occur in poor geological conditions. Based on the experience and lessons in large diversion tunnels completed or under construction in poor geological conditions, this paper summarizes the construction technology for diversion tunnel excavation support and provides some reference for construction of other large section diversion tunnels. |
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| Keywords: | poor geology dive ion tunnel excavation support construction technology |
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