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| 复杂地质条件下水底矿山法隧道的围岩位移分析 | |
| 引用本文： | 向晓辉,王俐,李春光.复杂地质条件下水底矿山法隧道的围岩位移分析[J].铁道工程学报,2011(2):103-108. |
| 作者姓名： | 向晓辉 王俐 李春光 |
| 作者单位： | 1. 中铁第四勘察设计院集团有限公司,武汉,430063 2. 中交第二航务工程勘察设计院有限公司,武汉,430071 3. 中科院武汉岩土力学研究所,武汉,430071 |
| 摘 要： | 研究目的:长沙市湘江大道浏阳河隧道为双向四车道隧道,隧道结构形式设计复杂,分别由小净距隧道、分离式隧道和明挖隧道组成。根据暗挖段隧道现场监测成果,结合施工措施和开挖工序进行全面分析,为长沙地区水底隧道工程提供了典型参考案例。研究结论:核心土开挖后布设测点造成的总损失量较大;采用全断面帷幕注浆措施加固围岩对控制隧道拱顶沉降取得较好的效果;临时支护的拆除对拱顶沉降和围岩收敛的影响较小,采用三台阶和CD法施工浅覆土Ⅴ级围岩水底隧道,能有效控制沉降。 |
| 关 键 词： | 水底隧道 三台阶法 CD工法 位移 拱顶沉降 |
Analysis of Surrounding Rock Displacement of Subaqueous Tunnel with Complex Geological Condition |
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| XIANG Xiao-hui,WANG Li,LI Chun-guang.Analysis of Surrounding Rock Displacement of Subaqueous Tunnel with Complex Geological Condition[J].Journal of Railway Engineering Society,2011(2):103-108. | |
| Authors: | XIANG Xiao-hui WANG Li LI Chun-guang |
| Institution: | XIANG Xiao-hui1,WANG Li2,LI Chun-guang3 (1.China Railway Siyuan Survey and Design Group Co.Ltd,Wuhan,Hubei 430063,China,2.The Third Institute of Water Transport Engineering,CCCC Second Harbor Consultants Co.Ltd,Hubei 430071 China,3.Institute of Rock and Soil Mechanics,Chinese Academy of Sciences,Hubei 430071,China) |
| Abstract: | Research purposes: The Liuyanghe Tunnel in Changsha is a bi-way and four-lane tunnel with complex structure and it is composed of a small-distance tunnel,split tunnel and cut-cover tunnel.The monitored results of settlement and convergence of surrounding rock in subsurface excavated area and the analyses of the measures taken in construction and the procedures of tunnel excavation of Liuyanghe Tunnel can be as the reference to construction of the subaqueous tunnel in Changsha. Research conclusions: The rese... |
| Keywords: | subaqueous tunnel three bench method CD method displacement arch crown settlement |
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