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变位
相关语句
  displacement
    BW Type Displacement Meter for Determining Horizontal Displacement of Bedrock
    测定基岩水平位移的BW型变位
短句来源
    LARGE DISPLACEMENT OF HIGH PILES UNDER LATERAL LOAD
    大变位水平承载高桩性状的研究
短句来源
    Analysis on Initial Abnormal Deformation on Right-sided Bank Lateral Displacement in Dam Top of Yunfeng Hydraulic Power Plant
    云峰坝顶右岸侧向位移初期异常变位分析
短句来源
    Influence of dam displacement and internal water pressure on the structural stresses of penstock laid on downstream face of dam
    坝体变位和内水压力对坝后背管结构应力的影响
短句来源
    The results show that the maximum horizontal displacement of the diaphragm wall of down stream is 7.2 cm, that is quite close to the measured value ( 7.5cm ).
    分析表明,计算下游墙的最大水平变位为7.2cm,与实测值7.5cm很接近。
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  “变位”译为未确定词的双语例句
    Application of the Multiple Contact Deformeter for Measuring Abutment Rock Bed Deformation at the Jinshuitan Arch Dam
    多点变位计在紧水滩拱坝坝肩基岩变形观测中的应用
短句来源
    Some displacements of foundation rock adjacent to high dam
    高坝附近基岩的一些变位现象
短句来源
    Automatic positioner and control system for recovering guide vanes of hydraulic turbines
    水轮机活动导叶修复时的自动变位机构及控制系统
短句来源
    Fuzzy Finite Element Method for Computing Deformation of Concrete Face Rockfill Dam
    混凝土面板堆石坝模糊有限元变位分析
短句来源
    Critical Value and Calculation of Deflection for Embedded Cylindrical Structure
    沉入式圆筒结构变位临界值及变位计算
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  displacement
Our approach generalizes Lévy's midpoint displacement technique which is used to generate Brownian motion.
      
Finite element simulations for compressible miscible displacement with molecular dispersion in porous media
      
We consider a nonlinear parabolic system describing compressible miscible displacement in a porous medium [5].
      
Galerkin method for completely compressible displacement with molecular diffusion and dispersion
      
In this paper, the numerical approximation by Galerkin method for completely compressible miscible displacement with molecular diffusion and dispersion in porous media is considered.
      
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This paper discusses some problems which are found to be important in designing the arch dam of the Liv-Hsi-Ho-hydroelectrical power station. The arch dam under discussion has a max. height of 82 m and spans 255. m, situated in a V-shaped valley. It is an overflow arch dam of the various radius and thickness type. The technical design has been nearly finished and the dam is now under construction. The first problem discussed is the investigation of the stability of arch dam under various ioads when the dam...

This paper discusses some problems which are found to be important in designing the arch dam of the Liv-Hsi-Ho-hydroelectrical power station. The arch dam under discussion has a max. height of 82 m and spans 255. m, situated in a V-shaped valley. It is an overflow arch dam of the various radius and thickness type. The technical design has been nearly finished and the dam is now under construction. The first problem discussed is the investigation of the stability of arch dam under various ioads when the dam is rested on a rock foundation with unexpected jointe and cracks. Methods and formulas for the determination of stability factors are recommended. Then the paper reviews the various methods of stress andlysis of arch dams now in use and finds that the cantilever-arch method (or so called the trial load method) is a suitable one. An amphified procedure is suggested, with this procedure and by means of certain tables of founda- tion and arch deformation constanis, the analysis of stressos and deflections of a circular arch including the effect of foundation deformation can be simplified greately without sacrifyinq dccuracy. The necessdry tables needed in analysis will be presented in an dnother paper. The problems of temperature control and temperature stresses determination are also impor- lant ones in arch dam design and construction. This paper discusses the vdrious principles of temperature control and method of computation, and describes the one accepted in this dam. The priciples of analysis of temperature stresses of arch dams are discussed in detail. Finally the problem of discharginq floods over the arch dam is described in brief. The design work in this respect has not been finished, further investigations and model tests are roquired.

本文旨在论述流溪河拱壩工程在设计中一些主要问题。拱壩最大壩高82公尺,壩顶弧长255.5公尺,位于一V形山谷中。壩体大不同半径和厚度拱壩并采用壩顶溢流形式。工程设计及施工已接近完成。本文首先探讨了拱壩壩头岩基具有节理和裂隙时在不同荷载下的稳定问题。推荐了决定系数的方法和公式。其后就现有的拱壩各种放力分析方法进行了论述并认力悬臂拱法(或称试载法)较为适用。本文对于试载法提出了改进步骤,利用这些改进步骤并借用一定数量的基础和拱圈变形常数表则计算应力分析和包括基础变形的圆拱变位可大大简化并无损其精度。在分析中所需数表将另著文介绍。控制拱壩温度和确定温度应力问题在拱壩设计和施工中也极关重要。本文论述了温度控制的各种原理和计算方法,并描述了本工程所采用的措施。对于拱壩温度应力的分析原理曾加论述。最后曾就拱壩壩顶溢流问题加以简述。有关此项新颖问题的设计,需待进一步研究并进行模型试验。

This paper presents a numerical method to solve plane elasticity problems.By considering the prototype as a lattice plate, approximate relations between the displacements of nodal points and the average strains of lattice lines may be established, and thereby approximate forms for the fundamental equations of elasticity obtained. So as to make the method applicable, the various parameters of reactions, stresses and displacements are provided. Finally, a relaxation technique for the force-distribution method...

This paper presents a numerical method to solve plane elasticity problems.By considering the prototype as a lattice plate, approximate relations between the displacements of nodal points and the average strains of lattice lines may be established, and thereby approximate forms for the fundamental equations of elasticity obtained. So as to make the method applicable, the various parameters of reactions, stresses and displacements are provided. Finally, a relaxation technique for the force-distribution method is proposed and an illustrated numerable example is given.

本文提出了一种弹性理论的近似数值解法。把一个平面弹性体当作网格板,可以近似地推求网格結点变位和网格线平均应变之間的关系。因而可以近似地来表达弹性理论的基本方程。为此,文中給出了反作用力系数、应力系数和位移系数;提出了一个松弛解法——力分配法,并附有算例。

This is a preliminary study of the effect of vertical curvature on the cantilever and arch stresses in a double-curvature arch dam. A modification of the conventional method of crown cantilever is proposed with the consideration of the adjustment of vertical displacements, in additon to the radial displacements at the crown of arches. Results of the study indicate that, if the vertical curvature is properly chosen, tensional stresses in the crown cantilever of the dam can be reduced to a certain extent. Experimental...

This is a preliminary study of the effect of vertical curvature on the cantilever and arch stresses in a double-curvature arch dam. A modification of the conventional method of crown cantilever is proposed with the consideration of the adjustment of vertical displacements, in additon to the radial displacements at the crown of arches. Results of the study indicate that, if the vertical curvature is properly chosen, tensional stresses in the crown cantilever of the dam can be reduced to a certain extent. Experimental study had been made with the aid of gelatin models. Analysis of the results showed that, except in the vicinity of the top of the dam, the general trend of the distribution of arch and cantilever stresses agreed with that of computation within reasonable limits.

本文主要是关于双曲率拱垻垂直曲率对垻身应力影响的一个初步研究碚摲治龊褪则炇墙徊娼械摹T诶碚摲矫?提出了考虑垂直曲率影响的拱冠径向、垂直变位调整的計算方法。計算結果表明,如果垂直曲率选择适宜,对垻体应力的分布状态就能有所改善斫耗P驮囼灲Y果与計算数值相比,除坝顶附近外,拱、梁向应力分布趋势基本上是一致的。

 
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