subaqueous tunnel meaning in English

水底隧道

A good many case of approaching excavation are studied in this article , such as the study of infection of be coal mining to the huayingshan tunnel , technology study of strucked tunnels of metro in shenzhen , countermeasure study of tunnel approaching pile foundation of metro in guangzhou , excavation methods optimized of large cross section subaqueous tunnel approaching pile foundation of lrt in chongqing , etc . on the basic of analysing and concluding relative study production all over the the world by the numbers , classification of approaching excavation , partition of approach zone , formula of partition of approaching zone , approach degree and countermeasure grade of generalized approaching excavation of underground works are put forward . general methods studying and trea
本文结合作者多年来对华蓥山隧道减少压煤量研究、深圳地铁重叠隧道第11页西南交通大学博士研究主学位论文技术研究、广州地铁公纪区间广纺联段邻桩施工对策研究和重庆轻轨大坪大断面车站邻近基础浅埋暗挖工法优化分析等诸多近接施工问题案例的研究，在系统分析和归纳总结国内外相关研究成果的基础上，系统地提出了广义的地下工程近接施工的分类、分区、分区指标表达式、近接度与对策等级概念以及分区、分度准则，给出了研究和解决近接施工问题的普遍方法，如数值分析先行，模型试验、现场测试验证等。