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开挖面稳定
相关语句
  face stability
     Research on Mechanism and Application of Face Stability in Large Slurry Shield Tunneling
     大型泥水盾构隧道开挖面稳定机理与应用研究
短句来源
     Study on the face stability of shield tunnel in sand with numerical simulating technique
     盾构隧道开挖面稳定数值模拟研究
短句来源
     4.Based on the analysis of face stability index, the author has deduced the formula of pressure from the formula of face stability index, and moreover, the pressures have beened calculated according to the work conditions of Nanjing Metro.
     4、在分析开挖面稳定系数计算公式的基础上,应用开挖面稳定系数的计算公式推导出盾构支持力的计算公式,同时针对南京地铁的施工条件和施工工艺计算盾构支持力。
短句来源
     For EPB(Earth Pressure Balance)shield tunneling,one must properly choose driving parameters to maintain face stability and control ground subsidence.
     为保证开挖面稳定及控制地面沉降,土压平衡盾构掘进时必须合理匹配各施工参数。
短句来源
     By contrasting the application effects of PMS and original slurry system,it's found that a higher quality mudcake can be formed with PMS,which is benefitial to the face stability. So PMS can be extensively applied to the large slurry shield tunneling.
     通过PMS泥水体系与原有泥水体系在工程中应用效果对比,发现PMS泥水体系能快速形成高质量的泥膜,更有利于大型泥水盾构隧道的开挖面稳定,在大型泥水盾构隧道施工中应用前景广阔。
短句来源
  stabilization of excavated surface
     Based on mainly research of shield construction technology in loess tunnel, some resolved methods of special questions were put forward such as controlling the shield orientation, stabilization of excavated surface, crossing collapse body. The mainly conclusions in this paper were listed .
     对黄土隧洞的盾构法施工工艺做了重点研究,就盾构方向控制、开挖面稳定、穿越塌方体等特殊问题提出了解决方法。
短句来源
  excavating face stabilization
     Excavating Face Stabilization Mechanism of Soil Pressure Bal-ance Shield and Control of Soil Pressure in Pressure Cabin
     土压平衡式盾构开挖面稳定机理与压力舱土压的控制
短句来源
  “开挖面稳定”译为未确定词的双语例句
     During construction of shield tunnel,support pressure was usually applied to prevent large displacement of soil or collapse of excavated surface. However,the design and control of appropriate supporting pressure were difficult for the large variation of soil conditions and uncertainties in actual filed construction. Supporting pressure and deformation and stabilization of excavation surface were studied by use of numerical simulation.
     盾构法隧道施工中,通过在开挖面施加与原始地应力相等的支护压力来预防开挖引起地层变位较大或开挖面失稳,但是由于地层条件和施工等因素的影响,使得开挖面支护压力的设定和控制较为困难,通过数值模拟分析了支护压力与开挖面变形及稳定系数的关系,对于施工中保持开挖面稳定有一定的指导意义。
短句来源
     Facing the problem of face balance and stability theory in large slurry shield tunneling,based on the construction of Tunneling Project of Fuxing East Road across the Huangpu River,the face balance and stability theory in the slurry shield tunneling and the main factors which affect the face balance and stability are analyzed with theor etical analysis,laboratory work and in-situ investigation.
     针对大型泥水盾构隧道开挖面平衡这一难题,以复兴东路越江隧道工程为工程背景,对泥水盾构开挖面稳定机理进行了理论分析; 通过室内泥浆的特性实验及微观分析,结合工程现场试验和监测数据分析,详细论述了泥水盾构隧道开挖面的平衡理论和稳定机理,对影响泥水盾构隧道开挖面平衡与稳定的主要因素进行了分析。
短句来源
     The emphases of this paper lay on discussing influence factor face stabilitythrough analyzing face mechanism of face collapse, bring forward ratio of cover is the most important factor.
     本文的着重点在于通过分析开挖面失稳机理,深入探讨影响开挖面稳定的因素,揭示了埋深比是影响开挖面稳性的最重要因素。
短句来源
     Through model test, a research is carried out on the mechanism of the stability of excavated surface of tunnel sustained by slurry during construction by the slurry shield method,on the regularity of stress variation in the soil mass in the front of excavating surface and on the mechanism of action of slurry pressure and the formation of slurry membrane. The formula of the critical slurry pressure suitable for the medium and coarse sand foundation is presented.
     通过模型试验 ,对泥浆盾构施工中泥浆维持开挖面稳定的力学机理 ,开挖面前缘土体的应力变化规律 ,泥浆压力作用机理及泥皮形态进行了研究 ,提出了中粗砂地基中临界泥浆压力公式。
短句来源
     And through analysis to the relation of TBM type and stratum osmosis,clay content,grain graduation,this paper put up detailed expatiate and project compare form excavated surface mechanism,earth surface sedimentation,assembly power,cut tool abrasion,construction expense and construction progress.
     通过对盾构类型与地层渗透性的关系、与粘土含量的关系、与颗粒级配的关系的分析,从开挖面稳定机理、地表沉降、装机功率、刀具磨损、施工成本、施工进度等方面对盾构选型进行了详细阐述和方案比较。
短句来源
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  face stability
The most important factor in determining face stability was found to be periodic weighting and an empirical design equation was developed for support capacity.
      
The problem of tunnel face stability is studied and the analysis of the stabilizing effect achieved by pre-reinforcement of the core which has to be excavated is dealt with.
      
The extra cost of presplitting was fully justified by the improved face stability and the resulting reduction in overburden quantity.
      
The driving force is an important control factor not only for the face stability but also for the advance rate.
      
Water can affect roof and face stability and in appreciable quantity will impede construction.
      


The mud fluid’s raw materials used in the shield driven tunnelling across Yellow River for the Diversion Project from South to North China and their properties were compared and selected, and the control ranges of majer index of mud fluid properties were given. A scale down test for the relationship between a mud fluid with certain property and the excavation surface was conducted. The test results showed that, under possessing pressure difference condition, the mud fluid forms a layer in which the pervious...

The mud fluid’s raw materials used in the shield driven tunnelling across Yellow River for the Diversion Project from South to North China and their properties were compared and selected, and the control ranges of majer index of mud fluid properties were given. A scale down test for the relationship between a mud fluid with certain property and the excavation surface was conducted. The test results showed that, under possessing pressure difference condition, the mud fluid forms a layer in which the pervious discharge is very small and filters to a certain distance. This two statuses are favorable for excavation stability.

对泥水式盾构施工所用泥浆的主要原材料及其性能进行了比选,初步提出了穿黄工程盾构施工泥浆性能主要指标的控制范围。并以某种性能的泥浆与开挖面之间的关系,作了简易模拟试验。在压力差条件下,出现了泥浆在开挖面形成透水性很小的泥皮,并可渗入一小距离的情况,这二者均对开挖面稳定有利。

During the construction of soft coffered tunnel,the paper introduces new methods of New Austrian Tunnelling Method,such as rock bolting etc.and proposes some problem of it.

简要介绍了在软弱围岩隧道施工中,采用超前锚杆预支护和环形开挖留核心土法使开挖面稳定和有效抑制围岩变形的施工方法和施工中应注意的一些问题。

The slurry shield has some advantages for construction such as high-quality, high-efficiency, advanced technology and safety,so it is an epoch-making new shield. Since the slurry shield is awailable to control easily the stability of work face and work in various geological conditions, the development and application of slurry shield should be enhanced. The new type of shield technique has a far-reaching significance for speeding up our tunnel construction.

泥水加压盾构施工质量好、效率高、技术先进、安全可靠,是一种划时代的盾构新技术。由于泥水加压盾构具有对实现开挖面稳定较易控制、对不同地质条件有较强适应能力,因此进一步加强泥水加压盾构技术开发和应用,对加快我国隧道工程的建设,具有十分重要的意义。

 
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