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| 兴旺峁隧道富水全-强风化砂岩区段施工关键技术 | |
| 引用本文： | 邹翀,尤显明,王军涛.兴旺峁隧道富水全-强风化砂岩区段施工关键技术[J].隧道建设,2010,30(1):37-43. |
| 作者姓名： | 邹翀 尤显明 王军涛 |
| 作者单位： | 1. 中铁隧道集团有限公司,河南,洛阳,471009 2. 中铁隧道集团太中银铁路工程指挥部,陕西,靖边,718500 3. 中铁隧道集团二处有限公司,河北,三河,065201 |
| 摘 要： | 结合兴旺峁隧道富水全—强风化砂岩区段的施工实际，对开挖、控制爆破、裂隙水注浆封堵以及涌泥治理等施工关键技术进行阐述。采用的三台阶六步法施工技术确保了隧道施工安全，对富水风化砂岩区段采用短进尺、多循环的开挖方法，减少了一次爆破装药量，且对围岩周边采取的控制措施达到了保护围岩的效果；在风化砂岩裂隙水发育区段施工中采取的“抢堵+围堵”的办法，有效地隔断了地下水的渗流路径，确保了结构安全；对涌泥段采用的各种措施确保了工程正常进展。 |
| 关 键 词： | 三台阶六步法 控制爆破 裂隙水 注浆封堵 涌泥治理 |
| 收稿时间： | 2009-12-17 |
| 修稿时间： | 2010-01-25 |
Key Construction Technology for Water rich Fully highly Weathered Sandstone Section of Xingwangmao Tunnel |
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| ZOU Cong,YOU Xianming,WANG Juntao.Key Construction Technology for Water rich Fully highly Weathered Sandstone Section of Xingwangmao Tunnel[J].Tunnel Construction,2010,30(1):37-43. | |
| Authors: | ZOU Cong YOU Xianming WANG Juntao |
| Institution: | 1.China Railway Tunnel Group Co./a>;Ltd./a>;Luoyang 471009/a>;Henan/a>;China/a>;2.Project Management Department of Tai-Zhong-Ying Railway/a>;China Railway Tunnel Group Co./a>;Jingbian 718500/a>;Shanxi/a>;3.The 2nd Engineering Co./a>;Ltd.of China Railway Tunnel Group/a>;Sanhe 065201/a>;Hebei/a>;China |
| Abstract: | Such key technologies as excavation technology,controlled blasting technology,water-sealing grouting technology and mud inflow treatment technology adopted in the construction of the water-rich fully-highly weathered sandstone section of Xingwangmao tunnel are expatiated in the paper.Top heading + 2 benches 6-step method adopted ensures the tunneling safety,controlled blasting technology adopted ensures proper protection of the surrounding ground;the water-sealing grouting technology adopted ensures cutting... |
| Keywords: | top heading + 2 benches 6-step method controlled blasting fissure water grouting mud inflow |
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