Gravel is a typically unstable stratum and its mechanical properties is unfavorable to tunnel face stability.
砂卵石是一种典型的力学不稳定地层,盾构在此不利条件下安全穿越铁路困难较大。
To ensure the tunnel face stability in construction, the mud fluid properties must be obtained scientifically.
为保证施工过程中隧道开挖面的稳定,必须科学确定盾构泥浆特性参数。
The blasting vibration rules of arch crown and upper and side surrounding rocks behind tunnel face are studied.
研究隧道掌子面后方隧道拱顶、掌子面正上方和侧面围岩的爆破振动规律。
By training and check up of the stylebook, it's satisfying to predict the rock masses classification in front of the tunnel face.
通过对样本库的训练检验,对掌子面前方围岩类别预报取得了满意的效果。
On the ground of tunnel development, this paper aims at the research of graph and image processing and its application in analyzing tunnel face images.
本文以隧道施工开发为背景,致力于研究图形图像处理和模式识别技术在隧道掌子面图像分析中的应用。
Numerical analyses are performed to analyze the water head controlling effect on the tunnel face by drainage holes during the construction of subsea tunnels.
通过数值模拟计算,分析了在海底隧道的施工期,从隧道工作面通过排水孔泄水的效果。
In tunnel construction of rich water karst area, the key technology to guarantee the tunnel construction security is to detect and forecast the geological situation in front of the tunnel face.
岩溶富水隧道施工中对隧道掌子面前方一定范围内的地质情况进行超前探测和预测预报是保证隧道施工安全的关键技术。
No way, I'm still crawling in the tunnel the pebbles worn face and double paint.
没办法,我还在爬行,在地道的石子上磨破了脸和双漆。
Based on the above work a space-time effect on the excavation face of tunnel with the function of bolting support is considered, thus the engineering application of BEM is developed.
在此基础上,本文首次采用弹-粘塑性边界元法并结合锚喷支护考虑了隧洞掘进面时空效应作用问题,从而拓展了边界单元法的工程应用。
Being a crucial factor in influencing the performance of Full Face Rock Tunnel Boring Machine (TBM), the cutterhead design is one of the key issues of TBM.
刀盘设计是全断面岩石隧道掘进机(TBM)的设计关键,是影响其掘进性能的决定性因素。
Paddy : Look, don't worry. Whatever happens there is always a light at the end of the tunnel – you just need to face your problem head on .
帕迪:看,不要担心。无论发生什么,黑暗中总有光明——你需要直面你的问题。
Correctly determining quality parameters of rock is the theoretical basis of use of TBM (full face rock tunnel boring machine) and its design.
正确确定岩石的性能参数是全断面岩石掘进机使用及高性能全断面岩石掘进机研制的理论基础。
A nonlinear elastoplastic model is applied to simulate the full face 3-d excavation process of a shallow tunnel embedded in layered soil.
文章应用非线性弹塑性模型,对层状土地层中浅埋隧道全断面开挖过程进行了三维有限元分析。
In order to rationalize type selection of the full face rock tunnel boring machine, a comprehensive solution substituting the empirical choosing method is presented.
为了使隧道掘进机选型决策理性化,避免单纯依靠设计者的经验进行选型,研究一种综合解决方案。
Because the first caving of work face haven't been finished, the tunnel roof and hole can not be used and gas often goes beyond the limit, so some measures must be taken.
由于工作面初次放顶没有完成,顶板巷道、顶板钻孔等不能发挥作用,常发生瓦斯超限现象,必须采取针对性措施。
The paper intrtroduced some partial ventilation management methods at driving face in coal tunnel.
介绍了煤巷掘进工作面局部通风管理方法及管理经验。
Using artificial intelligence to make a type selection of full face rock tunnel boring machine an intelligent design system was established.
利用人工智能技术对全断面岩石掘进机进行优化选型,实现掘进机方案设计智能化。
The tunnel section is advised to adopt curved shape and full-face excavation by controlled blasting to reduce disturbance on surrounding rock and maintain its self-supporting capability.
隧洞断面宜采用曲线形状; 宜采用控制爆破全断面开挖,减少对围岩的扰动以保持岩体自承能力;
Face stability is key point of tunnel shields excavation, Which influenced circumjacent environment.
开挖面的稳定是盾构施工技术的关键问题,直接影响到周边环境。
The utility model is suitable for being assembled on a vertical wall face or on various tunnel wall faces such as a round tunnel, and a horseshoe shaped tunnel, etc.
本电缆 支架可适应安装于垂直墙面或圆形隧道、马蹄形隧道等各种隧道墙面的需要;
Breaking rock rolling cutters are cutters of breaking rock with rolling in the way of the push of the cutterhead, they are used widespread in the full face rock tunnel boring machine.
滚动破岩刀具是在刀盘的推压力作用下滚动破碎岩石的刀具,广泛用于全断面岩石掘进机上。
This paper deals with the blasting parameters, working face blast hole patterns and the initiating system in the E-Bid section of the Furong Road Cable Tunnel Construction Project in Changsha.
介绍长沙市芙蓉路电缆隧道e标段掘进的爆破参数、工作面炮孔布置形式及起爆方式。
The Du madam changed a looks, laid up smiling face and handed peony, benignity but anxiety tunnel meantime signing: "Oh, is this to do what?"
杜夫人立时换了一副嘴脸,收起笑容,扶住牡丹,亲切而担忧地道:“哎呀,这是做什么?”
Because of the weak borehole sealing and inadequate use of the initial free face, the higher investment and unsatisfactory blasting effect still exist in the mine tunnel excavation blasting.
由于炮孔堵塞不牢和初始自由面利用不充分,井下平巷的掘进开挖爆破仍存在投入大、爆破结果欠理想等问题。
This paper proposes a new working face ventilation system: top gas tunnel small pillar outside the bottom return air laneway layout, in other words, which is gas tunnel location evolution.
本文提出了一种全新的综放工作面通风系统:顶层瓦斯巷小煤柱外错底层回风顺槽布置,具体是一种放顶煤工作面顶板排瓦斯巷位置的改进。
The cutterhead and rock mass characteristics affect the excavation efficiency of full face rock tunnel boring machine (TBM) strongly.
全断面岩石掘进机(TBM)的破岩效率主要受刀盘设计和岩体特征的影响。
Full face rock tunnel boring machine (TBM) becomes more and more important in current tunnel construction.
全断面岩石掘进机施工对地质地层状况非常敏感。
Full face rock tunnel boring machine (TBM) becomes more and more important in current tunnel construction.
全断面岩石掘进机施工对地质地层状况非常敏感。
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