拱坝

ɡǒnɡ bà
  • arch dam
拱坝拱坝
拱坝 [gǒng bà]
  • [arch dam] 一种建筑在峡谷中的拦水坝,做成水平拱形,凸边面向上游,两端紧贴着峡谷壁

  1. 大潭拱坝外掺MgO混凝土仿真计算分析

    Simulation and analysis of Datan MgO - mixed concrete arch dam

  2. 外掺MgO混凝土拱坝变形性态研究

    Study on Deformation Characteristic of Concrete Arch Dam with MgO Admixture

  3. 拱坝坝肩稳定的三维地质力学模型试验研究岩石力学CT技术概述

    The Study on Experiments of a Geological Mechanics Model with Three Dimensions for the Stability of an Arch Abutment

  4. MgO微膨胀混凝土的温降补偿在三江拱坝的研究和应用

    Application and study of MgO micro-expanding concrete for construction of Sanjiang Arch Dam

  5. 外掺MgO混凝土不分横缝快速筑拱坝仿真分析

    Simulation analysis of MgO-concrete arch dam without contraction joints

  6. 拱坝最大坝高82公尺,坝顶弧长255.5公尺,位于一V形山谷中。

    The arch dam under discussion has a max. height of 82 m and spans 255 . m , situated in a V-shaped valley .

  7. 本论文计算分析了某一碾压混凝土双曲拱坝的两种体型的应力及稳定问题,运用ANSYS软件进行计算。

    This paper presents two shapes of one roller compacted concrete hyperbolic arch dam , stresses and stabilities were analyzed by employing ANSYS software .

  8. 拱坝WES堰流量系数的验证分析

    Verifying and Analysis of Flow Coefficient of WES Weir of Arch Dam

  9. 本工程采用ANSYS软件来做分析,根据提供的地形、地质及拱坝布置资料,建立空间几何模型。

    The ANSYS software is used to analyze this project . According to provided terrain , geology and arch dam arrangement data , the spatial geometry model is established .

  10. 重点介绍了文献〔1〕中对MorrowPoint双曲薄拱坝的研究方法及结果.说明了有缝拱坝施工缝张开时的地震反应的研究途径和方法。

    To illustrate the research method of earthquake responses of these arch dams , the analysis procedure and results of Morrow Point thin and double-curvature arch dam are shown .

  11. 300m级高拱坝大流量泄洪关键技术研究

    Study on the key technologies of large discharge flood releasing of high arch dam at the level of 300 m

  12. 锦屏双曲拱坝设计坝高305m,其坝址河谷呈V形,有良好的建坝条件。

    Jinping arch dam is designed for 305m height . The V shaped river valley is favorable for arch dam building .

  13. 进行了VR-GIS技术用于拱坝、桥梁工程可视化的探索。

    Visualization of arch dam and bridge engineering with VR-GIS technology are explored in this paper .

  14. 研究了将基于范例的因果推理方法(CBR)引入到拱坝变形因果分析的相关理论,并将其与传统的回归模型相结合,建立了拱坝变形因果推理模型。

    The case-based reasoning method ( CBR ) is introduced to analyze the cause of dam deformation . And a cause-effect model that combining the CBR and traditional regression model is established .

  15. 作者提供了累计温度和自重的徐变应力计算方法和程序,结合碾压混凝土(RCC)拱坝工程提供了施工期仿真应力特点。

    The calculating method and program of creep-stresses for accumulated weight and temperature change are given . The specifications of actual simulation stresses of roller compacted concrete ( RCC ) arch dam during construction are also given .

  16. 某工程在软弱基础上修建的碾压混凝土拱坝坝高大于100m,基础软弱,应力和位移大,尤其是坝肩向下游位移大。

    A roller compacted concrete arch dam is over 100m high and the foundation is weak , the deformation and stresses in the arch dam were much larger than normal , especially the abutment displacement downstream .

  17. 计算结果表明,横缝下游宽度达到2mm以上,坝体应力恶化,将会危害到拱坝的安全。

    The results show that when transverse joints aperture is beyond 2 mm , the development of transverse joints will change the structural action to a considerable extent , thus endangering the dam safety .

  18. 文中披露了东风拱坝基础深槽MgO混凝土的长达近10年的原型观测成果,用详细的数据和成功的事实阐明了MgO混凝土的长期变形总是趋于稳定,不存在无限膨胀趋势。

    An almost 10-year period prototype observation results of the deep groove MgO concrete of Dongfeng arch dam foundation is presented in this paper . It clarifies that the long-term deformation of MgO concrete goes steady and has no infinite expansion with detailed data and successful facts .

  19. 根据拱坝体形的几何特征,基于ANSYS软件的参数化设计语言(APDL),采用零阶近似优化法进行了单圆心等厚度双曲拱坝的优化设计。

    Based on the geometrical characteristics of arch dam ′ s shape and the APDL ( Parameter Design Language ) of ANSYS software , an optimal design for a double-curvature arch dam with a single circle center and equal thickness by using the sub-problem approximation optimal method is performed .

  20. 通过三维有限元瞬态温度场仿真分析,得到了某100m级薄碾压混凝土双曲拱坝从施工到运行全过程温度场变化规律,为该工程的温控措施设计和控制温度应力提供了依据。

    By 3D FEM transient simulation analysis of temperature field , the law of temperature field change of the arch dam in the whole process from construction to operation is found out , providing basis for design of temperature control and control of temperature stress in this project .

  21. 下会坑大坝为浆砌石双曲薄拱坝,最大坝高102.39m,厚高比0.2,是国内同类坝中第一高坝。

    The dam of Xia-hui-keng is a hyperbolic thin masonry dam with the height of 102.39m and the ratio of height to think of 0.2 , which is the highest one of same type dams .

  22. 拱坝坝肩含断续节理岩体破坏机理研究

    Damage Mechanism Study Arch Dam of Rock Mass with Intermittent Joints

  23. 拱坝满应力设计中温度荷载的影响

    Influence of temperature load in the full-stress design of arch dam

  24. 高拱坝近坝库水温度分布研究

    Study on Reservoir Water Temperature Distribution Close to High Arch Dam

  25. 双曲拱坝分析的研究

    Study on the method of analysis for double curvature arch dam

  26. 金溪电站溢流拱坝水力学试验研究

    Hydraulic test study on overflow arch dam of Jinxi Hydroelectric Station

  27. 砌石拱坝的自防渗体系研究

    A Study on a Self-seepage-controlling System of Stone Masonry Arch Dam

  28. 拱坝地震动水压力分析的配点法

    A collocation method for dynamic water pressure calculation of arch dams

  29. 用工程类比分析法研究高拱坝坝踵开裂稳定性

    Cracking Analysis of High Arch Dam Heel by Engineering Analogical Method

  30. 网格尺寸对拱坝等效应力分析的影响

    Effect of mesh size on analysis of arch dam equivalent stress