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2011年03 期
| 标题 |
| 宜万铁路大支坪隧道高压富水溶腔处理技术(51 卷) |
| 英文标题 |
| Treatment technology of high pressure water-rich karst cavern in Dazhiping tunnel on Yichang-Wanzhou railway |
| 摘要 |
| 根据地表降雨量与洞内涌水时间、涌水量、水压的关系，采用作业面钻孔泄水、临界控制爆破揭示溶腔体、高位支洞排水等释能降压措施，提供溶腔处理的安全作业环境。在宜万铁路大支坪隧道的高压富水、充填性岩溶区段施工中，综合采用帷幕注浆预加固地层、释能降压技术，较好地解 |
| 作者 |
| 新闻作者:杜永昌，王武现 |
| 关键字 |
