1) shallow buried tunnel under unsymmetrical pressure
偏压浅埋隧道
1.
The construction of shallow buried tunnel under unsymmetrical pressure is difficult for the complexity of it′s construction and uneveness of stress distribution of surrounding rock.
偏压浅埋隧道由于施工工序的复杂性和围岩应力分布不均匀性,施工技术难度较大。
2) shallow tunnel under unsymmetrical pressure
浅埋偏压隧道
1.
The rock of shallow tunnel under unsymmetrical pressure is almost gradeⅣor higher soft rock, which mechanics property is complex, and ground stress distributes un-symmetrically being influenced by unsymmetrical pressure, therefore it is difficult to analyse stability of shallow tunnel under unsymmetrical pressure .
浅埋偏压隧道围岩多为Ⅳ级以上软弱围岩,力学性质复杂,而且受偏压影响,地应力分布不均,这就使浅埋偏压隧道稳定性分析变得很困难,从而很难实现施工安全控制。
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：A3钢试片在济南埋20年后的腐蚀情况
A3钢试片在济南埋20年后的腐蚀情况
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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