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three gorges project     
相关语句
  三峡工程
     Mechanical Model for Hydraulic Structure Contact Problem and Its Applications in the Three Gorges Project
     水工结构接触问题的力学模型及其在三峡工程中的应用
短句来源
     A Study of Schemes for Choosing Concrete Raw Materials for the Three Gorges Project
     三峡工程混凝土原材料方案选择的研究
短句来源
     SYMPOSIUM ON THE THREE GORGES PROJECT
     纽约长江三峡工程学术讨论会
短句来源
     CONPREHINSIVE EVALUATION AND ECONOMIC ANALYSIS OF THE NORMAL STORAGE WATER LEVEL OF THE THREE GORGES PROJECT——COMMENTS ON DEALING WITH FURTHER RECOMMENDATION OF 170 METERS ALTERNATIVE (CORRESPONDING DAMHEIGHT 185 METERS)
     三峡工程正常蓄水位经济分析及综合评价——170米(坝高185米)方案的论证
短句来源
     Again Talking about the Benefit of Flood Preventation of the Three Gorges Project——Disadvantages Outweigh the Advantages
     再论三峡工程防洪效益弊多利少
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  三峡
     Study of strength and stability for the chamber wall and the slope of the permanent lock in Three Gorges project
     三峡永久船闸闸室墙及边坡的强度与稳定性研究
短句来源
     Mechanical Model for Hydraulic Structure Contact Problem and Its Applications in the Three Gorges Project
     水工结构接触问题的力学模型及其在三峡工程中的应用
短句来源
     A Study of Schemes for Choosing Concrete Raw Materials for the Three Gorges Project
     三峡工程混凝土原材料方案选择的研究
短句来源
     SYMPOSIUM ON THE THREE GORGES PROJECT
     纽约长江三峡工程学术讨论会
短句来源
     Planning without Facts: A Framework for Economic Evaluation of the Three Gorges Project
     在没有具体资料的情况下谈规划:关于三峡水坝工程经济评价的设想(摘要)
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  三峡水利枢纽
     Design and study on the arrangement of the Three Gorges Project of the Yangtze river
     长江三峡水利枢纽布置设计与研究
短句来源
     Concreting technique and quality control for the left dam and powerhouse of the Three Gorges Project
     三峡水利枢纽左岸大坝和电站厂房工程混凝土施工技术及质量控制
短句来源
     The Analysis and Prediction of Stress and Deformation in Maopingxi Dam of The Three Gorges Project
     三峡水利枢纽茅坪溪防护大坝应力与变形的分析和预测
短句来源
     The productive test began in November of 1998 of connecting mechanically of steel bars used for the water conveyance system of the permanent shiplock at the jobsite of the Three Gorges Project,and the preliminary experience has been obtained.
     三峡水利枢纽永久船闸输水系统于 1998年 11月开始进行钢筋接头机械连接生产性试验 ,取得了初步经验。
短句来源
     In the first phase, the total volume of rock excavation of permanent shiplock in the Three Gorges Project amounts to 18 million m3,1 million m3 in average for each month.
     三峡水利枢纽永久船闸一期开挖工程量达1800万m3,合同工期为18个月,平均月强度达100万m3;
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  三峡水利枢纽工程
     Three Gorges Project is the key project for developing and harnessing the Yangtze River.
     三峡水利枢纽工程是开发治理长江的关键工程。
短句来源
     In 2003, the Three Gorges Project successfully realized the water impoundment (up to the water level of 135 m), trial open of the double-line five-lift ship lock and the trial operation of the first generating units (No.2 and No.5), which lays a good foundation for the realization of three grand goals of water impoundment, navigation and power generation.
     2003年,三峡水利枢纽工程胜利完成了蓄水(135m水位)、双线五级船闸试通航和首批机组(2、5号)启动等阶段验收,为实现蓄水、通航、发电三大目标奠定了基础。
短句来源
     APPLIED BASIC RESEARCH ON SOME KEY PROBLEMS OF THREE GORGES PROJECT
     三峡水利枢纽工程几个关键问题的应用基础研究
短句来源
     Summarization on main technical issues in Three Gorges Project design of the Yangtze river
     长江三峡水利枢纽工程设计重大技术问题综述
短句来源
     The Three Gorges Project is key to develop and harness the Yangtze River, with huge economic and social benefits of flood control, power generation and navigation.
     三峡水利枢纽工程是开发和治理长治的关键性工程,它具有防洪、发电、航运等巨大经济效益和社会效益。
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      three gorges project
    In view of the characteristic features of RIS in China, we can expect moderate earthquakes to be induced by the construction of the Three Gorges Project on the Yangtze River.
          
    Social and Ecological Aspects of the Three Gorges Project
          
    There is a significant gap in knowledge concerning the environmental consequences of resettlement of the Three Gorges project (TGP), China.
          
    Three Gorges Project: Effects of Resettlement on the Environment in the Reservoir Area and Countermeasures
          
    Natural occurrence of C4 species, life form, altitude pattern, and infection by the Three Gorges Project (TGP) were studied in the TGP region.
          
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    The first thing in the stability analysis of underground opennings is the determination of the deformation failure-movement type of rock masses. In this paper five main types of deformation failure-movement has been mentioned, according to different combinations of the four rock mechanics factors. Thus, primary appreciation of stability and selection of mechanical model for the rock mass can be made in design work. Some methods of stability analysis for rock mass composed of rock blocks has been discussed, referring...

    The first thing in the stability analysis of underground opennings is the determination of the deformation failure-movement type of rock masses. In this paper five main types of deformation failure-movement has been mentioned, according to different combinations of the four rock mechanics factors. Thus, primary appreciation of stability and selection of mechanical model for the rock mass can be made in design work. Some methods of stability analysis for rock mass composed of rock blocks has been discussed, referring to the underground power station of The Three Gorges project as an example. Planes of discontinuity should be simplified according to their relative size to the dimensions of the cavity. The influence of the stress component along the axis of the cavity on the stability of rock blocks has been emphasized. In those cases when finite element method in three-dimensions can not be used, calculations may be carried out by two-dimensional finite element method in combination with the method of the whole space projection on equatorial plane. When the orientation of the axis of cavity is to be determined, not only the direction of the maximum in-situ stress but also the azimuth of planes of discontinuity should be considered.

    地下厂房稳定分析首先要确定围岩变形破坏运动类型。本文按照四种岩石力学条件从工程实践中归纳了五种变形破坏运动类型,以便在设计阶段进行初步判断和选择岩体力学模型,并以三峡工程地下厂房为实例,着重研究了块体结构的围岩稳定分析方法。在建立围岩力学模型时,要结合地下洞室的尺寸处理不同规模的不连续面。三个方向的应力对块体稳定性的响影同样重要,在没有条件使用三维有限单元法时,可用全空间赤平投影法与二维有限单元法结合计算。研究结果表明,在设计地下洞室方向时,不仅要考虑初始应力的方位,同时还应考虑软弱结构面的方向。

    The volume of concrete works for Three Gorges Project amounts to more than 20 million cubic meter.With a view of assuring the concrete quality and reducing the cost of concrete works, this paper will discuss four schemes of better cements, three schemes of coarse aggregate, three schemes of sands and two schemes of poozzlanas.The technical characters for the above schemes are also analysed. As to how to choose a best scheme, this paper, based on actual conditions, proposes using sensitive method...

    The volume of concrete works for Three Gorges Project amounts to more than 20 million cubic meter.With a view of assuring the concrete quality and reducing the cost of concrete works, this paper will discuss four schemes of better cements, three schemes of coarse aggregate, three schemes of sands and two schemes of poozzlanas.The technical characters for the above schemes are also analysed. As to how to choose a best scheme, this paper, based on actual conditions, proposes using sensitive method to find out three better raw materials. This method not only assures the quality of concrete but also makes it possible to reduce the cost of the Three Gorges Project concrete works for 100 million yuan.

    三峡工程混凝土工程量达2000余万立米。本文从保证混凝土质量和降低混凝土造价的角度,探讨了四种较好的水泥方案:两种粗骨料方案、三种砂子方案及两种掺合料方案。文中对各方案作了技术特性的分析。对于如何选择最佳方案,根据实际情况文中建议用敏感性分析法找出三种较佳的原材料。该方案不仅可保证混凝土质量并有可能为三峡混凝土工程节约上亿元的费用。

    The Three Gorges Research Group on Special Topic for Rock Foudation was established in August,1958 with the aim of solving many problems of rock mechanics in designing and construction of three Gorges project. It was for the first time that rock mechanics was considered as a branch of learning in our country. Although the Three Gorges Research Group exsisted only three years, its orientation of the study of rock mechanics had profound historic sinificance. The“Research Programme...

    The Three Gorges Research Group on Special Topic for Rock Foudation was established in August,1958 with the aim of solving many problems of rock mechanics in designing and construction of three Gorges project. It was for the first time that rock mechanics was considered as a branch of learning in our country. Although the Three Gorges Research Group exsisted only three years, its orientation of the study of rock mechanics had profound historic sinificance. The“Research Programme on Special Topic of Rock Foundation” was comprehesive and plentiful.It demanded of us to make investigation and study,to combine theory closely with practice,and to be bold in making innovations. It was 25 years ago that the Three Gorges Research Group existed.At that time the Group trained qualified personnel in large numbers who are now the backbone of the scientific and technological contingents on rock meohanics,thereby promoting the development of rock mechanics our country. This paper reviews the history of the Group so as to commemorate its achivements and guide us to make progresses successively.

    三峡岩基专题研究组成立于1958年8月,是为修建三峡水电枢纽解决没计施工中提出一系列岩石力学课题而建立起来的;也是我国第一次将岩石力学作为一门学科,有组织、有计划地开展系统而全面的岩石力学试验研究工作,为我国岩石力学的发展奠定了基础。三峡岩基组虽然由于任务的改变,它的存在仅仅只有三年左右的时间,但从其创建开始,即十分重视调查研究,密切结合工程实际,坚持以任务带学科和科研为生产服务的科研方向,制定出一份完整的专题研究计划纲要,在具体执行中,又强调理沦联系实际,勇于创新。通过实践,为我国培养出了一批从事岩石力学的科研骨干,从而促进了我国岩石力学学科的发展。三峡岩基组距今虽已25年了,但它的科研方向和科研道路,对当前四化建设,仍有其一定的指导意义。本文简要地回顾了当时的情况,以资纪念。

     
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