基于施工力学的分析方法，建立了地下隧洞分期开挖、适时支护仿真计算的有限元列式。
Based on analytical method of construction mechanics, the simulative computational FEM formulations about multi-stage excavation of underground tunnel and timely shoring are prescribed.
采用极限应变准则作为极限状态方程，运用改进的JC方法分析了地下隧洞稳定的可靠度。
In this paper the limit strain criterion is used as a limit state function and an improved JC method is used to calculate the reliability index of the stability of the tunnel.
研究结果表明，该地下隧洞针对不同围岩类别设计不同的支护方案和支护时机是合理可行的。
It has been proved rationale and feasible to use different shoring project and shoring time for different surrounding rock type.
这些发现，是从常规检查而收集出来的其它数据中被证实，引致伦敦地下铁要调查研究隧洞衬砌的替代物。
These findings, backed up by other data collected from conventional inspections, led London Underground to investigate the replacement of the tunnel lining.
清江隔河岩水利枢纽导流隧洞是我国目前在碳酸盐岩地区开挖大跨度地下洞室的成功工程之一。
The diversion tunnel of Geheyan Project on the Qingjiang river is one of successfully excavated large-scale underground cavities in the carbonate rock regions in China at present.
二滩水电站导流隧洞规模大、初始地应力高，设计中采用了现代地下结构设计理论和方法。
As the diversion tunnel of Ertan Hydroelectric plant has big dimensions and high initial ground stress, the new conception and method are used in design.
相应的高水头大直径水工压力隧洞的建设也逐渐增多。并且越来越多的工程采用地下钢筋混凝土岔管。
Building of hydraulic tunnels with high head and large diameter increase gradually, and the underground reinforced concrete branch pipe is adopted in more and more projects.
水坝、矿山巷道、竖井、隧洞、江河海底隧道、地铁等地下工程开挖时采用注浆防渗帷幕；
Dams, mine tunnel, shaft, tunnel, River Cross Harbor Tunnel, subway excavation of underground works such as the use of anti-seepage curtain grouting;
并分析了地应力状态对地下厂房、引水隧洞、气垫调压室稳定性的影响。
Finally, the impacts of in-situ stresses on the underground factory caverns, water tunnels and air-cushion pressure adjustment cavern are discussed.
最后从地应力角度，讨论地下厂房的轴线选择和高压隧洞衬砌设计方案。
Finally, the selection of underground power house axis and the lining design scheme for the pressure tunnel are discussed based on the in-situ stress.
采用掘进机开挖的引水隧洞洞段埋藏较深，地下水位高，地下水活动强烈，岩爆频繁，岩溶较为发育。
The diversion tunnel section excavated by tunneller is buried deeply, the under ground water level is high, the activities of underground water is lively, and Karst topography is quite developed.
调查结果表明，长条隧洞式地下蓄水池在攀西地区分布最多。
The investigation results show that the strip-tunnel underground conservation pool is the main mini-type reservoir in Panxi.
但是隧洞属于地下结构，穿越的围岩情况千差万别，应根据不同的情况采取不同的设计和施工方法。
However, as the structure underground, the surrounding rock is widely different. It is necessary to select the appropriate method of design and construction.
通过实际工程，研究降雨量、地下水位、排水隧洞流量的监测数据资料。
The measured data of the groundwater level, rainfall and the drainage tunnel discharge about the landslide are studied.
地应力和地下水问题对深埋长隧洞衬砌的设计及施工具有重大影响。
In-situ stress and groundwater have important influences upon the design and construction of the lining for deep and long tunnels.
本文介绍了地下大跨岩石隧洞于山溜冰场的施工步骤 ，微振动控制爆破技术在施工中的应用 ，以及树脂张拉锚杆的施工等技术。
The application of microseism controlled blasting technique during construction, as well as the construction technique of the resin tensile anchor bolts, are introduced also.
本文介绍了地下大跨岩石隧洞于山溜冰场的施工步骤 ，微振动控制爆破技术在施工中的应用 ，以及树脂张拉锚杆的施工等技术。
The application of microseism controlled blasting technique during construction, as well as the construction technique of the resin tensile anchor bolts, are introduced also.
应用推荐