2) shallow double-linked-arch tunnel

浅埋双连拱隧道
1.
In this paper the different middle wall s mechanical behavior on different rock mass has been simulated by establishing the three-dimensional finite-element model of the shallow double-linked-arch tunnel,and the basic loading law of the middle wall is obtained,then the proper form of mi.
通过建立双连拱隧道的三维有限元模型,模拟了不同围岩级别条件下浅埋双连拱隧道不同中墙形式的力学行为,得出了中墙的基本受力规律,提出了不同围岩级别条件下修建浅埋双连拱隧道所采用的合理中墙形式,为双连拱隧道的中墙设计提供依据。
3) shallow multi-arch highway tunnel

浅埋连拱隧道
1.
Mechanical analysis on construction procedure of shallow multi-arch highway tunnel

浅埋连拱隧道施工过程的力学分析
4) 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。
5) 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。
6) joint arch tunnels in partial pressure

偏压连拱隧道
1.
To study the stability of surrounding rock of joint arch tunnels in partial pressure,the authors introduce SIGMA module of GeoStudio program to simulate it and adopt the calculation result as the guideposts.
针对偏压连拱隧道围岩稳定性问题,采用GeoStudio软件的SIGMA模块进行数值模拟,以数值模拟的计算结果作为判断围岩稳定性的控制指标,结合现场压力盒进行监控量测,并利用加权回归分析方法对监测数据进行处理,得出各监测点实测围岩稳定压力。
补充资料:连拱
1.连臂合抱。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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