| 宜万铁路岩溶隧道释能降压关键技术与应用研究 |
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| 引用本文： | 张志华,李丹.宜万铁路岩溶隧道释能降压关键技术与应用研究[J].路基工程,2011,0(3):58-60,64. |
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| 作者姓名： | 张志华 李丹 |
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| 作者单位： | 1.中铁十六局第五工程有限公司，河北唐山 063001 |
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| 基金项目： | 中铁十六局总公司科研项目(K2009-05-03) |
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| 摘 要： | 结合宜万铁路岩溶隧道施工高压富水溶腔处理实践,分析了释能降压的安全性及经济、社会效益;并对释能降压的超前探测,爆破孔位设计、起爆顺序,洞内排水及洞外排水路线设计、释能降压后的溶腔处治及相邻洞室隔离设计等关键技术问题进行了研究。应用其研究成果施工,降低了岩溶隧道的突水风险,节省了工程投资,保证了建设工期。
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| 关 键 词： | 岩溶 隧道 突水灾害 释能降压 关键技术 |
| 收稿时间： | 2019-11-10 |
Application of Energy Relief and Pressure Reduction Technology in Karst Tunnel along Yichang-Wanzhou Railway |
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| Authors: | ZHANG Zhi-hua LI Dan |
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| Institution: | ZHANG Zhi-hua1,LI Dan2(1.The Fifth Engineering Co.,Ltd.of China Railway 16th Construction Corporation,Tangshan 063001,Hebei,China,2.Beijing Railway Bureau,Beijing 100860,China) |
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| Abstract: | Combined with the practice in dealing with the water-enriched and high-pressure cavity in karst tunnel construction along Yichang-Wanzhou Railway,the safety and economical & social benefit of energy relief and pressure reduction are analyzed.In addition,the key technical issues such as advanced detection of energy relief and pressure reduction,blasting design,firing order,internal and external drainage route design,cavity treatment after pressure reduction,and adjacent cavity isolation design are studied.Wi... |
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| Keywords: | karst tunnel water inrush disaster energy relief and pressure reduction key technology |
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