Research results: the suggestion was proposed the dynamic design of tunnel mainly with engineering experience was adaptively applied in construction of large tunnel in priority.
研究结果：提出了长大隧道宜优先考虑采用以工程经验为主的隧道动态设计的原则建议。
It is quite important to choose a rational design and construction scheme for construction of large span tunnel.
在大跨隧道的修建中，选择一套合理的设计和施工方案是十分重要的。
On the basic of large engineering practice, according to the complex karst geology problem of karst tunnel construction, the author grasped the major and difficult problem to research.
在大量的工程实践基础上，作者根据岩溶隧道施工所存在的问题-复杂的岩溶地质问题，抓住问题的重点和难点进行方法研究。
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