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| Research on Geological Forecast Method on Tunneling |
| BAI Heng-heng |
| The Third Survey & Design Institute of China Railway, Tianjin 300142, China |
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Abstract Research purposes: Based on the geological forecast on tunneling, the geological information of heading face of the tunnel is obtained. Therefore, the forecast provide important foundation for optimizing construction method, raising the construction efficiency and shortening period. And the forecast also provide message for preventing tunnel collapses, gushing water, mud and gas, so it has the important social and economic performances.
Research methods: With the background of work experience of the author himself on Bapanling and Changliangshan Tunnel, the important role and significance of geological forecast on construction of long-large tunnel in railway, high-way and urban rail transportation in China are emphasized in this paper.
Research results: The planning, objectives, contents, methods, outcome's form, schedule and the conclusion of the forecast are also summarized in this paper. And it pays more attention to introduce the methods of the forecast.
Research conclusions: Geological forecasting is an important link to tunnel construction. It should be brought into construction procedure so as to instruct tunneling and offer the scientific basis of tunnel construction.
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Received: 05 June 2006
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2006, Vol. 23 
