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hollow gravity dam
相关语句
  空腹重力坝
     Analysis on Observation Data of Supporting Mass Stress and Foundation Uplift for a Hollow Gravity Dam
     石泉空腹重力坝坝体应力与扬压力观测资料的整理分析
短句来源
     Observed-temperature Analysis of Concrete Hollow Gravity Dam of Nuiluling Hydropower Station
     牛路岭空腹重力坝坝体温度场分析
短句来源
     Optimal Design of Hollow Gravity Dam
     空腹重力坝的优化设计
短句来源
     The Construction on stone Masonry Hollow Gravity Dam at the Class One Hydroelectric station in Yangshan
     仰山一级水电站砌石空腹重力坝施工
短句来源
     Temperature Control for Hollow Gravity Dam at Dahekou Hydropower Station
     大河口电站空腹重力坝温度控制
短句来源
更多       
  空腹坝
     Analysis of Partial Cracks in Hollow Gravity Dam of Niululing Hydropower Station
     牛路岭水电站空腹坝局部裂缝成因分析
短句来源
     In this paper, Stresses of hollow gravity dam were analyzed by the boundary element method and infinite element coupling with finite element method. The results obtained were compared with photoelastic test.
     本文用边界元和引入无穷元的有限元对空腹坝的应力进行分析,并与空腹坝的光弹模型试验结果作了比较。
短句来源
     It is be-lieved that the dam structure is well designed and hollow gravity dam in hign valley with large dischargeshave great potentialities to be exploited。
     认为该坝体结构设计合理,空腹坝在高山狭谷、泄流量大的情况下,具有很大的发展潜力。
短句来源
  “hollow gravity dam”译为未确定词的双语例句
     Design and Construction of the Hollow Gravity Dam of Mo-Tze-Tan Reservior
     磨子潭水库大体积肋墩坝的设计和施工
短句来源
     Prototype Structure Analysis of Dahua Hollow Gravity Dam
     大化空腹重力坝段实际结构性态分析
短句来源
     After the description of its principle and method, the hybrid model of displacement moniting for Shangyoujiang hollow gravity dam is established in this paper.
     文章首先简要阐述建立大坝位移混合模型的原理与方法,据此建立上犹江大坝位移的混合模型.
短句来源
     A Optimal Design of Hollow gravity Dam with an Arch in the Hollow
     空腹设拱重力坝优化设计
短句来源
     According to the results of analyses for information observed in recent years, from Lishimen Arch Dam, Henshan Arch Dam, Nanxi Stone-Masonry Arch Dam, Chencun Gravity Arch Dam, Shenwo Gravity Dam, Sinanjiang Hollow Gravity Dam, Danjiangko Gravity Dam, and Zhexi Massive-Head Dam and the rexearch achievements of Chinese and foreign experts, the regularities of displacement and stress variation in dams and a number of reflected results are discussed in this paper.
     本文根据笔者近年来对里石门、恒山、南溪(双曲拱坝),陈村(重力拱坝),参窝、新安江、丹江口(重力坝),拓溪(大头坝)等工程观测资料的分析,结合国内外专家的研究成果,就大坝实测位移、应力的变化规律以及若干反馈成果进行讨论。
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  hollow gravity dam
Evaluation of the strength of the compressed zone in a hollow gravity dam
      


To the present, the finite element method is one of the effective way to study the gravity or hollow gravity dam on the complicated foundation in the engineering. The perviousness and the range of foundation will greatly infiunce the stresses caused by the hydraulic pressure, on the base including the heel and the toe of the dam. In this paper, the way how to select the boundary size and boundary condition of the foundation when considering the foundation as impervious material is discussed. The...

To the present, the finite element method is one of the effective way to study the gravity or hollow gravity dam on the complicated foundation in the engineering. The perviousness and the range of foundation will greatly infiunce the stresses caused by the hydraulic pressure, on the base including the heel and the toe of the dam. In this paper, the way how to select the boundary size and boundary condition of the foundation when considering the foundation as impervious material is discussed. The method is to compare the results of theoritical analysis with the result of finite element method under the action of some typical loads. For the case of pervious foundation under seepage field, the variation of stresses related to the different foundation range and boundary conditions is discussed.

现阶段使用有限单元法研究复杂地基上的重力坝或空腹重力坝是工程中的有效方法之一.在水库水压力作用下,地基的材料、边界范围及边界条件均将对坝基、坝踵及坝趾等应力产生重大影响.本文探讨了当把地基做为不透水材料时,地基的边界范围及边界条件应如何选取.探讨的方法是使用地基在某些典型荷载作用下理论解同有限元解相对比的方法.对于把地基视做透水材料来研究的情况,本文也讨论了在渗流场作用下,当采取不同的地基范围及边界条件时,地基内应力的变化规律.

In central and South China Hollow gravity dams are commonly built. In 1979, we used the method of feasible directions in a study of the optimal section design of hollow gravity dams~(1). The feasible directions were determined by our proposed formula of the combined directions~(2). As a result, a optimal solution was obtained under the static water pressure and dead weight of the dam. Recently we have stu died the design but under the static constraint and the minimal frequency. for comparison,...

In central and South China Hollow gravity dams are commonly built. In 1979, we used the method of feasible directions in a study of the optimal section design of hollow gravity dams~(1). The feasible directions were determined by our proposed formula of the combined directions~(2). As a result, a optimal solution was obtained under the static water pressure and dead weight of the dam. Recently we have stu died the design but under the static constraint and the minimal frequency. for comparison, instead of the method of feasible dircctions an improved com plex method has been used. The result shows that in a given geometric constraint the stability is still a control factor. The final optimal point obtainedis nearly consistant with the objective function.TQ—6 computer time is about 3 hours. It proves that the proposed method is available. The results are also satisfactory.

在我国中南,多采用空腹重力式坝型的水工建筑物,我们在79年曾用可行方向法对它的断面优化设计进行了研究,其中可行方向的确定采用我们提出的合成方向公式,在静水压力和自重下得到了最优解.这里我们又在静力和最小频率约束下对空腹重力坝断面优化设计进行了研究,为了比较,我们放弃了可行方向法而选用改进了的复合形法.研究结果,在规范规定的几何约束下仍然是稳定约束比之应力约束和频率约束起控制作用;故得到了目标函数值几乎一致的最优点.计算机时约在三小时左右,从而证明了我们建议的方法是可行的,其成果也是令人满意的.

In this paper, Stresses of hollow gravity dam were analyzed by the boundary element method and infinite element coupling with finite element method. The results obtained were compared with photoelastic test. It was shown that the boundary element model had significant merits in dealing with the dam stress analysis especially with the surface stress distribution, i. e. improvement of stress accuracy and save of computer time. This demonstrated that the boundary element method has a great prospect...

In this paper, Stresses of hollow gravity dam were analyzed by the boundary element method and infinite element coupling with finite element method. The results obtained were compared with photoelastic test. It was shown that the boundary element model had significant merits in dealing with the dam stress analysis especially with the surface stress distribution, i. e. improvement of stress accuracy and save of computer time. This demonstrated that the boundary element method has a great prospect in application to stress analysis of dam structures.

本文用边界元和引入无穷元的有限元对空腹坝的应力进行分析,并与空腹坝的光弹模型试验结果作了比较。结果显示了边界元在求解水坝结构应力、尤其是求解表面应力方面具有明显的优越性,如应力精度的提高与计算机时的节省,说明边界元法是一种在坝工应力分析中很有前途的数值方法。

 
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