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works
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  工程
    Evaluation on Ageing Index of Embankments Works
    堤防工程老化指标之评定
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    Method of Designing the General Layout of River Training Works by Applying Theory of Flow Pattern in River Bends
    运用弯道流态理论设计整治工程位置线的方法
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    Serve the Main Works,Quicken Construction of Three Gorges Project
    为主体工程服务 让三峡工程腾飞──三峡准备工程水、电、通信系统建设纵览
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    Construction progress control of the first-phrase right-bank works of the Three Gorges Project
    三峡工程右岸一期工程施工进度控制
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    Rock and Concrete Permeability and its Application in Underground Works
    岩石和混凝土的渗透性及其在地下工程中的应用
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    Some Experience of Diversion Works on the Nenjiang River
    嫩江江道引水的若干经验
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    Reduction of sediment load by water and soil conservation works in middle and upper reaches of the Yellow River
    黄河中上游水利、水土保持措施对减少入黄泥沙的作用
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    Development and Experience of Machinization of Flood Prevention Works in Lower Yellow River
    黄河下游机械化施工的发展和经验
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    Management and Utilization of Waste Soils from Dredging Works for a City Waterway
    浅议城市航道疏浚泥土的管理及利用
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    Concrete Works for the Dam and Power House Construction of Manwan Hydropower Station
    漫湾水电站大坝厂房混凝土施工
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  works
Deviations from both statistical isotropy and Gaussianity are detected in the reviewed works, suggesting more exotic cosmological models may be required to explain our Universe.
      
The effectiveness of accounting correctly for the geometry of the sphere in the wavelet analysis of full-sky CMB data is demonstrated by the highly significant detections of physical processes and effects that are made in these reviewed works.
      
The results can be reduced to some ones in Gerber and Landry's, Tsai and Willmot's, and Wang's works by letting parameter δ and (or) σ be zero.
      
Our analysis closely follows the recent works of Bai and Fabbender.
      
In the present paper we briefly sum up works on completely irreducible operators that have been done by the Functional Analysis Seminar of Jilin University in the past ten years and more.
      
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Equations of linear and angular momentum and equations of energy for the production and decay of turbulence in incompressible turbulent flow are derived in rectangular coordinates.The corresponding equations in general coordinates are also presented though without derivation.The physical properties,as expressed in momentum and force,and energy and work,of turbulent flow are explained in detail.

本文里以矩形坐标形式引求了关于不可压缩紊流的动量和能量关系式,动量关系式包括直线动量和角动量两种,能量关系式包括紊动能量的产生和消蚀两种。还给出了这些关系式的一般坐标形式,虽然没加引求。关于不可压缩紊流的物理性质在动量和力及能量和功方面加以详细的解释。

It is proposed to resolve the problem into two problems: one without internal surce of heat but with uniform initial temperature, another with internal source of heat but with zero initial temperature. Then the problems with constant water temperatures are solved by means of Laplace transform. On basis of these results, an approximate solution of varying water temperature is obtained and a series of curves are prepared in onder to avoid the laborious calculation work.

本文首先利用导热微分方程的綫性性質,說明有内部热源的冷却问题可分解为一个初溫均匀的無热源問题与一个初温为零的有热源問題之和,然后采用拉普拉斯变换求出平面问题的严格数学解答。在这个基础上考虑水温的沿途变化得到空間問题的近似解。并按無因次量制备一套曲线供设计人員查用以避免极其繁重的計算工作。

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。

 
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