1) shallowburied ancient channel
浅埋古河道
2) shallowly buried paleochannel zone
浅埋古河道带
1.
According to data from more than 2 100 drill holes,lithofacies, 14 C dating of sediments,field investigation,distribution regularities,buried situation and sedimentary characteristics of the shallowly buried paleochannel zones in the south coast plain of the Laizhou Bay, its stage divisions and development laws have been studied.
莱州湾南岸平原在埋深 6 0 m内的浅埋古河道带 ,可分成弥河、潍河和白浪河 3个系统 ,它们大都呈掌状、放射状分布 ,并与其所属河流的冲洪积扇范围相吻合 ,该区古河道的形成和发育是新构造运动和古气候环境演变的结果。
3) buried ancient channel
埋藏古河道
1.
Study of the buried ancient channels in the continental shelf area out of the mouth of the Changjiang River in China
长江口外陆架区埋藏古河道研究
4) Shallow tunnel
浅埋隧道
1.
Applying mechanism and analysis method of anchored-bolt pre-reinforcing surface of shallow tunnel;
浅埋隧道地表锚杆预加固的作用机理与分析方法
2.
Design of Shallow Tunnel with Quadruple Arches;
四连拱大跨度浅埋隧道的设计
3.
The statistical characteristic of the break angles by excavating the shallow tunnel;
浅埋隧道荷载破裂角的统计特征
5) shallow tunnels
浅埋隧道
1.
Influences of stress dilatancy on stability factors of shallow tunnels;
应力剪胀对浅埋隧道稳定性系数的影响
6) shallow-buried tunnel
浅埋隧道
1.
Geological condition of shallow-buried tunnel is complicated.
浅埋隧道地质条件复杂,如果支护形式采用不当,极易造成塌方等事故。
2.
Based on an engineering case,the mechanism of the pre-support system applied in treatment for the collapse of shallow-buried tunnel is discussed.
根据工程塌方处治实例,探讨了浅埋隧道塌方处治中超前支护系统的作用原理,利用有限元手段分析了二次衬砌结构的内力情况,给出了塌方处治方案,根据处治效果可得出:(1)管棚注浆法作为一种行之有效的辅助工法,其力学效应是显著的;(2)处于浅埋顺层围岩条件下的隧道,围岩的变形往往带有突然性;(3)施工中及时构筑二次衬砌,早日形成封闭式支承体系,加快围岩变形稳定过程,可有效地抑制围岩过度变形及塌方事故。
3.
The impact of excavation of shallow-buried tunnels on the surrounding environment is worthy of attention.
浅埋隧道开挖对周围环境的影响值得关注,基于重庆武隆隧道穿越厂房基础引起地表变形的工程背景,简化为平面应变模型,采用两种不同的计算方法对隧道施工进行了数值模拟分析,目的是研究不同软岩隧道开挖方式对地表变形及围岩受力情况的影响。
补充资料：河道洪水演进(见河道洪水演算法)
河道洪水演进(见河道洪水演算法)
neaao non郎hUi河道洪水演进yanJ县n 见河道洪水演算法。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条