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Çѱ¹Áö¹Ý°øÇÐȸ / v.12, no.6, 1996³â, pp.65-78
¼öÀ§°¡ º¯µ¿ÇÏ´Â ÈÙ´ïÀÇ ¾ÈÁ¤¼º ÇØ¼®(I)
( Seepage Analysis of Rock -fill Dam Subjected to Water Level Fluctuation )
ÀÌ´ë¼ö; Á¤È¸¿ø, Çѱ¹Àü·Â°ø»ç Àü·Â¿¬±¸¿ø;
 
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The Chungpyung Dam is a 16 yearn old rock-fill dam for a Pumped storage hydro-Power plant, located in the middle of the Korean Peninsula. Since the dam is subjected to the daily water level fluctuation, such as rapid drawdown and refill, thus inducing a structural impact on the behavior of dam body, it draws attention of many engineering concerns. Traditionally, steady-state analysis was employed to investigate the seepage in the dam body, but in this study the seepage analysis was numerically performed by 2-D FEM thansient analysis. As a boundary condition for an analysis, the water level fluctuation was incorporated to simulate the daily change. As a res41t, the various seepage phenomena such as hydraulic gradient, seepage vector, and pore water pressure distribution were quantified at the corresponding time of interest as the water level rises and recedes. The seepage flux was also estimated and compared with the measured data which were both acceptable considering design criteria. The result proves that there is no sign of hazardous sources contributing to the possibility of piping, internal erosion and excess leakage through the dam body.
 
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Rock-fill dam;Core;Seepage analysis;Transient-flow;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.12, no.6, 1996³â, pp.65-78
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199611920446959)
¾ð¾î : Çѱ¹¾î
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