水布垭面板堆石坝施工与运行性状反演研究

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Abstract According to the rockfill large-scale field test results，as well as Shuibuya concrete face rockfill dam?s deformation monitoring data during the construction and water storage period，Duncan E-B model parameters and incremental rheological model parameters of rockfill back-analysis are decided by immune genetic algorithm method；the panel cavity phenomenon at construction period and the behavior of the dam at the beginning of water storage run-time were verified；the calculated results of the dam?s long-running characteristics are indicated that the dam is safe，and 200 m-grade CFRD construction technology has more and more matured. However，it paid attention to the panel extrusion phenomenon because the rheological value in dam?s upstream rockfill zone increased more evidently due to water pressure.

Key words： hydraulic engineering concrete face rockfill dam(CFRD) deformation control panel cavity extrusion damage back analysis

Received: 11 June 2010

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https://rockmech.whrsm.ac.cn/EN/Y2011/V30/IS2/3689

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