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糯扎渡高心墙堆石坝离心模拟试验研究 被引量:8

Centrifugal modeling test on the Nuozhadu high central core earth-rockfill dam
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摘要 近年来,随着高土石坝建设的迅速发展,研究坝体在施工期和运行期的各种性状已成为土石坝研究领域中最为重要的课题。同时,离心模拟试验技术在高土石坝的研究中也有了更加广泛的应用。本文结合坝高261.50m的糯扎渡心墙堆石坝,利用小比尺离心模型进行了模拟试验,研究坝体在施工期和运行期的应力和变形性状,论证采用小比尺离心模型研究高坝变形和应力性状的可行性,同时提出了原型坝体在竣工期和蓄水期的应力变化和变形情况,为该坝的设计和施工提供了科学依据。 In recent years, with rapid development in high dam construction, the stress and deformation status during construction and operation periods are becoming an important research topic. As a new kind of geotechnical engineering testing method, centrifugal modeling technology has been applied widely in studying high earth-rock/ill dams. Taking the Nuozhadu central core earth-rock/ill dam of 261.50m in height as an example, the authors conducted tests to study the feasibility of using small scale centrifugal model to study dam deformation and stress. Based on the results of the centrifugal model in different conditions, the paper puts forward the deformation and stress situation during completion stage and impoundment stage, which can be used as important references for design and construction of the project.
出处 《中国水利水电科学研究院学报》 2008年第2期86-92,共7页 Journal of China Institute of Water Resources and Hydropower Research
关键词 高土石坝 离心模拟试验 小比尺模型 线性回归拟合分析 high earth-roekfill dam centrifugal modeling test small scale model linearization regression analysis
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  • 2[2]Rowe P W.Application of centrifugal models to geotechnical structures[A].Recent Development in Soil mechanics[C].W.H.Sellen Pthhd,Australia,1975.1-25. 被引量:1
  • 3张利民,胡定.瀑布沟高土石坝离心模型试验研究[J].水利学报,1990,22(9):60-65. 被引量:4
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