Study of effects of nail-tied panel on stability of high earth-rockfill dam slope

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作者：
State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, China [1 ]
不详 [2 ]
机构：
来源：
Dalian Ligong Daxue Xuebao | 2009年 / 5卷 / 675-679期
关键词：
Finite element method - Earthquakes - Safety factor - Rocks - Rock mechanics - Embankment dams;
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摘要：
Considering nail-tied panel effect, a method of calculating rockfill dam slope seismic stability and slippage was established. Based on the method, the slope stability of the Lianghekou core dam with 295 m in height was analyzed, and the effects of nail-tied panel on the stability of high earth-rockfill dam slope were studied. The results show that with nail-tied panel, the slip surface corresponding to the minimum safety factor becomes deeper, the dam slope safety factors are improved obviously, and the dam stability is enhanced effectively. With the increase of the earthquake peak acceleration, the dam slope stability can benefit from nail-tied panel significantly.
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