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high-dam
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  高坝
    A Engineering Geological Feasibility Study of High-dam Construction Project at Site with Complicated Geological Conditions
    复杂场地高坝建设适宜性的工程地质研究
短句来源
    Engineering geological feasibility study is a key stage to high-dam construction.
    研究复杂地质环境条件下高坝建设的适宜性是水电工程建设过程中不可或缺的一个重要环节。
短句来源
    With more and more internal and external high-head conservancy projects constructed,finding a new dissipation method for solving the problems of outlet structure's safety and dissipation under the condition of high-head and large discharge is one of the hard nuts to crack having to be settled urgently during high-dam hydraulic design.
    随着国内外高水头水利枢纽工程的日益兴建,寻求新的消能途径解决高水头大流量条件下泄水建筑物的安全和消能问题是高坝水力设计中亟待解决的难题之一。
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This article puts forth the principles of calculation of Arch Dams and gives some practical examples .The method may be used as a simple. and effec- tive way in the analysis of stresses of middle or high dams, and may fully meet the requirements in designing and analysing the stresses of medium and small -siged arch dams.

本文介绍计算原理和应用实例,可作为中、高坝坝体应力分析的一种简捷而有效的方法,尤 其对中小型拱坝的应力分析完全可以满足设计要求。

The ship lift on water-slope is one of the improved navigation installations for high dams.When the lift runs well,it almost consumes no water,therefore,it is of benefit to multipurpose water utilization.An approach to electric traction of ship lifts on the water-slope is suggested. After the study of some characteristics of certain electrical machines,the three-phase asynchronous motor with slip rings is suggested for the traction, consentaneous with the preliminary design of the ship lift on Hu-Kou water-slope.The...

The ship lift on water-slope is one of the improved navigation installations for high dams.When the lift runs well,it almost consumes no water,therefore,it is of benefit to multipurpose water utilization.An approach to electric traction of ship lifts on the water-slope is suggested. After the study of some characteristics of certain electrical machines,the three-phase asynchronous motor with slip rings is suggested for the traction, consentaneous with the preliminary design of the ship lift on Hu-Kou water-slope.The synchronous motor-driven wheels and the energy recovering device on the way down are key problems in the electric design of the self-motoring shield machine.In practice,the two problems can be solved on the basis of the theory of“electric axle systems composed of SCR inverters”.Finally,an idea of energy recovering with“an induction generator with both stator and rotor windings connected in parallel”is presented.

水坡升船机是一种新型高坝通航设施。它具有过船不耗水的优点,因而有利于水资源的综合利用,本文对水坡升船机的电力拖动问题进行了初步探讨,并结合壶口水坡升船机的初步设计,经过对几种基本电机的分析研究,提出了异步电机拖动方案。电机驱动轮的同步方法和下坡时的能量回收装置是推板机电气设计的关键。用“可控硅逆变器组成的电轴系统”的理论同时解决这两个问题,其实际设备并不复杂。文章还提出在水坡推板机上利用“定子绕组和转子绕组并联的感应发电机”回收能量的展望。

In this paper harnessiug lower section Rockmass of soft weather- ing bend as foundation of high dams has been evaluated from four asp- ects——Compressive deformation failure of dam foundation,shallow s- lipping further improving the engineering properties of rockmass by cement groutig and application of engineering analogy.It is affirmed thab the lower section rockmass of soft weathering bend through ce- ment grouting,constructs a gool high dam foundation

本文从坝基的压缩变形破坏、浅层滑动、水泥灌浆进一步改善岩体工程地质性质以及运用工程地质类比法四个方面,对弱风化带下段岩体做为高坝基础进行了评述;确认弱风化带下段岩体经水泥灌浆处理后是一个良好的高坝坝基岩体.

 
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