渡槽

预应力U形薄壳渡槽属于薄壁梁结构。

Prestressed U-shaped thin shell aqueduct belongs to the thin-wall beam construction .

大型梁式U形渡槽槽身结构动内力分析

Dynamic Internal Force Analysis of Large U-shaped Beam Aqueduct Structure

渡槽CAD系统研究走向韵律空间

On Flume CAD System Research of metrical space

大型三维矩形、U形渡槽地震响应对比分析

Comparative analysis of earthquake responses of large 3D rectangular and U-shaped aqueduct

U形渡槽结构静动力分析

Analysis on static and dynamic characteristics of large-scale U-type aqueduct

U形渡槽施工期温度模拟与应力分析

Simulation Analysis of Temperature and Stress of U-aqueducts

U形薄壳大渡槽预应力孔道灌浆施工

Practice of Large U - shape Thin - wall Prestressed Launder Drill - way Grouting

U形渡槽预应力施工技术

Construction technology of U-shaped prestressed water aqueduct

U形薄壳渡槽结构侧弯扭稳定性分析的研究

The Analytical Method to the Side Bent and Twist Stability of Prestressed U-shaped Thin Shell Aqueduct

U形渡槽水体大幅晃动的ALE有限元模拟

ALE Simulation of Large Sloshing of Water in U-shaped Aqueduct

钢筋混凝土U形渡槽搭架立模现浇施工技术

The cast-in-place construction technology of putting up and erecting the formwork for the reinforcement concrete U launder

基于非协调强化假定应变单元的U形薄壳渡槽槽身受力分析

Analysis of the Stress for U-Shaped Thin Shell Aqueduct Based on Strain Unit of Non-Harmonious Strengthening Supposition

U形渡槽槽体结构风载体形系数的风洞试验研究

The wind tunnel test study on wind load shape coefficient of aqueduct body structure for U shape

另一种是利用levelset的基本思想计算水体的晃动作用，分析水体晃动对渡槽动力响应的影响。

The other takes the sloshing of water body into account making use of Level Set theory , and analyze the influence of water sloshing to the . dynamical response of Aqueduct .

简支等厚钢筋混凝土U形渡槽截面优化的研究

The Study on Cross Section Optimization for the U Form Aqueduct of Reinforced Concrete with Simply Supported and Same Thickness

通过水力学和结构有限元仿真分析对矩形和U形钢筋混凝土渡槽进行比较，指出U形渡槽在过水能力和结构受力上均优于矩形渡槽。

According to the hydraulics and structure finite element imitation , the comparison of rectangle and U shape reinforce concrete cross channel is studied .

动应力分布的改变直接影响到大型预应力U形截面渡槽结构中预应力钢筋的有效性。

Such changes of distribution of hydrodynamic stress directly affect the effectiveness of prestressed steel bar in the large prestressed U shaped aqueduct structure .

南水北调中线穿黄U形渡槽方案自1994年开始研究以来，历经10年时间。

The study on the plan of the U-aqueduct across the Yellow River for the Mid-route South-to-North Water Transfer Project began in 1994 and lasted for 10 years ;

选取基于AHP分析法二级模糊综合评价法建立公路泥石流防治工程易损性评价模型，对所调研的桥梁工程、涵洞工程、渡槽工程进行了易损性评价。

They also can select the secondary blurring comprehensive evaluation based on the AHP analysis , and then establish the road debris flow vulnerability assessment control model .

本文应用任意拉格朗日-欧拉（ALE）有限元方法对比分析大型三维排架支撑矩形、U形渡槽结构地震响应，以获得渡槽中动水压力资料。

Arbitrary Lagrangian-Eulerian ( ALE ) method is employed to study the earthquake responses of frame-supported large-scale rectangular and U-shaped aqueduct structure to get data of hydrodynamic pressures .

本文对于U形渡槽槽体结构模型进行了风洞实验研究，得出了U形渡槽槽体结构的风压分布和风载体型系数。

In this paper , based on wind tunnel test study , the wind pressure distribution and wind load shape coefficient of the aqueduct body structure are obtained in smooth and turbulent flows .

NUS水泥砂浆在渡槽排架裂缝处理中的应用

Application of NUS Cement Mortar in Crack Treatment of a Flume Support Frame

应用任意拉格朗日&欧拉有限元方法分析大型U形渡槽结构中流体的大幅晃动问题；针对不同的水位，研究渡槽结构在谐波激励和地震作用下的振动反应。

Arbitrary Lagrangian-Eulerian method is used to study large sloshing of water in large scale U-shaped aqueduct , and to discuss the vibration responses of aqueduct structure with different water levels under sinusoidal loads and earthquake action .

采用数值模拟方法探讨了大型渡槽采用铅销橡胶支座（LeadRubberBearing，简称LRB）的减震效果及减震机理。

Numerical simulation is carried out to study the aseismic effect of lead rubber bearing for large scaled aqueduct .

在对模型进行模态分析基础上，利用APDL语言编制地震波一致输入程序和考虑行波效应的多点输入程序，对渡槽结构计算一致输入和多点输入下的地震反应。

Basing on the modal analysis of the structure , according to Ansys Parameter Design Language , the program of coherent-vibration input and multi-support seismic input are compiled .

另一种是非线性方法，研究流体非线性晃动对渡槽影响，如边界元法、ALE型有限元法等。

The other are the nonlinear method , which studies on the effect of liquid nonlinear sway to aqueduct , such as boundary element method , ALE finite Element Method etc.

特别是渡槽的GB复合压板式止水结构施工工艺简单，施工质量易于保证，是一种值得推广的渡槽止水结构形式。

What is particular in the project is the GB compound clip-plate type water stop structure of the flume , which is simple in construction and reliable in quality , and worthy of popularizing in engineering .

在渡槽的抗震设计中，应充分考虑U形截面渡槽动水压力和动应力分布变化问题，动水压力应该作为一项主要的外荷载予以考虑。

Therefore , the irregular distribution of hydrodynamic pressure and stress in the U shaped aqueduct should be paid enough attention , and the hydrodynamic pressure should be treated as an important external load in the seismic design of large aqueduct .

并在EL-Centro地震波激振下进行渡槽结构在这四种工况下的地震动力时程分析，计算给出了大型渡槽结构的地震反应规律；

The earthquake time history response of large-scale aqueduct is studied under four cases when the EL-Centro earthquake wave is inputted .

模型基于结构动力分析理论和流固耦合分析理论，整体结构分析采用Newmark方法进行动力时程分析，分析中考虑渡槽结构整体受力性能，包括下部支撑结构、地基等多种因素的影响作用；

Newmark method is employed in integral structural analysis , in which integral performances of load bearing of the aqueduct structure , including the effects of supports , foundation and so on are taken into account ;