Research methods:Take the double-track tunnel in the Lanzhou-Wunan for example,the relation graph of train speed and maximum pressure has been simulated and figured out with the formula.
研究目的:通过计算,分析我国双线隧道中存在的瞬变压力问题,并提出相应的缓解措施。
This paper analyzes the forced state of surrounding rock and tunnel lining in every step of the construction project for Fu longping double-decked tunnel.
采用二维弹塑性有限元法,分析了在两种施工方案下伏龙坪双层隧道各个施工阶段围岩和衬砌的受力状态,考虑材料的非线性特征,采用Mohr-Coulomb屈服准则及其关联流动法则,采用切线刚度迭代法求解平衡方程,对超过屈服点的应力进行应力调整。
2D elasto-plastic finite element method is adopted to analyze the forced state of the surrounding rock and the tunnel lining in every step of the construction project for Fulongping double-decked tunnel.
采用二维弹塑性有限元法,分析了在该施工方案下伏龙坪双层隧道各个施工阶段围岩和衬砌的受力状态,考虑材料的非线性特征,采用Mohr Coulomb屈服准则及其关联流动法则,采用切线刚度迭代法求解平衡方程,对超过屈服点的应力进行应力调整。
IETF mobile IP working group has proposed two basic multicast mechanisms for mobile host in mobile IP protocol: bi-directional tunnel(MIP-BT) and remote subscription(MIP-RS),which have complementary advantages and shortcomings.
IETF移动IP工作组在移动IP协议中建议了支持主机移动的两种基本的组播机制:双向隧道MIP-BT和远程加入MIP-RS,它们具有互补的优缺点。
Analysis and countermeasures to positioning problems in double-line tunnel of Passenger Dedicated Line
客运专线双线隧道定位问题分析及对策
Study on Construction Technology of the Soft Rock Tunnel Passing Througy Existing Railway;
穿越既有铁路的软弱围岩双线隧道施工技术
Study on Stress Theory of Double Tunnel Construction by Horizontal Frozen Mining Method
水平冻结暗挖地铁双线隧道受力机理研究
Construction technology of the shallow two ways railway tunnel in city building dense area
城市建筑密集区浅埋铁路双线隧道的施工工法
MODEL TEST ON DISPLACEMENT FIELD OF DOUBLE-ROUTE METRO CONSTRUCTED WITH HORIZONTAL FREEZING METHOD
地铁双线隧道水平冻结位移场的模型试验
Numerical analysis of moisture,thermal and mechanical states for subway double-line tunnel constructed by artificial freezing method
地铁双线隧道施工人工冻结水热力数值分析
Discussion on Overburden Blasting Safety Control Technique of Tunnel Excavation near Use Tunnel
浅谈紧邻营业线双线隧道揭顶爆破施工安全控制技术
Research on Mechanical Characteristic of Fabricated Lining of High Speed Railway Longspan Two-Line Tunnel Constructed with Mining Method;
高速铁路大跨度双线隧道矿山法施工的装配式衬砌力学特性研究
Controlled Blast Technology for Demolition and Expansive Excavation of Tunnel for Transforming the Single Track into Double Track under Complicated Conditions
复杂条件下单改双线隧道拆除扩挖控制爆破技术
dual-3 shallow cut and cover tunnel
双程三线明挖回填式隧道
Nonlinear Systemic Study on the Stability of Surrounding Rock of Shuangfeng Freeway Tunnel
双峰隧道围岩稳定性非线性系统研究
Application of the Construction of Double-line and Large Span Railway Tunnel with the Method of CRD
CRD法在双线大跨铁路隧道中的应用
The decline curve shape estimate analysis of parallel tunnel surface
双线平行隧道地表沉降曲线形状预测分析
Dynamic Responses and Blast Resistance of Two-way Subway Tunnels Subjected to Explosion Load Inside One-sided Tunnel;
单侧隧道内爆炸荷载作用下双线地铁隧道的动力响应与抗爆分析
An Improvement on the Construction Process of Double-tracked–Single Bore Long Tunnel
新建铁路长大隧道“单洞双线轨道运输”工序改良
The Limits for Installing Mechanical Ventilation in Railway Double Track Tunnels on Diesel Traction Lines;
内燃牵引双线铁路隧道设置机械通风的界限
Analysis for Seismic Dynamic Responses of A Double Line Highway Tunnel in High Earthquake Intensity Area;
高烈度地震区双线公路隧道地震动力响应分析
Tray Buries Weak Stratum Diplonema Major Diameter Tunnel Risk Control Technique
浅埋软弱地层双线大直径隧道风险控制技术