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Çѱ¹¼öÀÚ¿øÇÐȸ / v.31, no.3, 1998³â, pp.337-345
´ï ºØ±« È«¼ö¸ðÀÇ¿¡ ´ëÇÑ ºÒÈ®½Çµµ ÇØ¼®
( Uncertainty Analysis for Dam-Break Floodwave Simulation )
ÀÌÈ«·¡;ÇѰǿ¬;Á¶¿øÃ¶; Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø ¼öÀÚ¿ø¿¬±¸½Ç, ¿¬¼¼´ëÇб³ Åä¸ñ°øÇаú;°æºÏ´ëÇб³ °ø°ú´ë Åä¸ñ°øÇаú;¿¬¼¼´ëÇб³ Åä¸ñ°øÇаú, ±¹¸³¹æÀ翬±¸¼ÒÀå;;
 
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´ï ºØ±«¿¡ µû¸¥ È«¼ö·ùÀÇ ÇØ¼®½ÃÀÇ ºÒÈ®½Çµµ¸¦ ±Ô¸íÇϱâ À§Çؼ­ ¹ü¿ë ÇÁ·Î±×·¥ÀÎ DAMBRK ¸ðÇüÀ» Monte-Carlo ±â¹ýÀ» ÀÌ¿ëÇÏ¿© ¼öÁ¤, º¸¿ÏÇÔÀ¸·Î½á ´ï ¹× ÇÏõÁ¦¹æ¿¡ ´ëÇÑ ºØ±« À§Çèµµ¸¦ »êÁ¤ÇÒ ¼ö ÀÖ´Â DAMBRK-U ¸ðÇüÀ» °³¹ßÇÏ¿´´Ù. º» ¸ðÇüÀº ÇÏõÀÇ È«¼öÃßÀû¿¡ À־ ºÒÈ®½Çµµ¿¡ ±âÀÎÇÑ È«¼öÀ§ ÇØ¼®°á°ú¸¦ »ìÆìº¸±â À§ÇØ È®´ëÇϵµ, ±ÕÀÏÇϵµ ¹× Ãà¼ÒÇϵµ ±¸°£¿¡ Àû¿ëÇÏ¿© ¸ðÇü¿¡ ´ëÇÑ ºñ±³°ËÅ並 ½Ç½ÃÇÏ¿´´Âµ¥, Ãà¼ÒÇϵµ ±¸°£¿¡¼­ À¯·®°ú ¼ö½É¿¡ ÀÖ¾î Å« º¯µ¿Ä¡¸¦ °¡Áö´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¶ÇÇÑ º» ¸ðÇüÀº 1996³â 7¿ù ¿¬Ãµ´ï ºØ±«¿¡ µû¸¥ ÇÑź°­¿¡¼­ÀÇ È«¼ö¹ü¶÷ ÇØ¼®À» ¸ðÀÇÇÔÀ¸·Î½á ¸ðÇüÀÇ ½ÇÁ¦ Àû¿ë¼ºÀ» ÀÔÁõÇÏ¿´´Ù. ¿¬Ãµ´ï À¯¿ª¿¡¼­ ¿©·¯ °¡Áö ¹æ·ùÀ¯·® Á¶°Ç¿¡ µû¸¥ ´ïÀÇ À§Çèµµ¸¦ °è»êÇÏ¿´´Ù. ÇÑź°­ À¯¿øÁö ÁöÁ¡¿¡¼­ÀÇ Á¦¹æ°í¿Í È«¼öÀ§¸¦ ºñ±³ÇÏ¿© ¿ù·ù À§Çèµµ¸¦ »êÁ¤ÇÑ °á°ú È«¼öÀ§¿¡ ÀÖ¾î Á¦¹æ°í¸¦ 1,266~0.782m·Î »óȸÇÏ´Â ¿ù·ù°¡ ¹ß»ýÇÏ¿´°í, ÀÌ ±¸°£¿¡¼­ÀÇ ¿ù·ùÀ§Çèµµ´Â 100%·Î ³ªÅ¸³µ´Ù. Çٽɿë¾î : ´ïºØ±« ¸ðÇü, È«¼öÆÄ, ºÒÈ®½Çµµ ÇØ¼®, Monte-Carlo ±â¹ý
DAMBRK-U model is developed for the evaluation of overtopping risk of dam and levee and for the estimation of uncertainty in floodwave simulation. The original algorithm is revised and expanded to include Monte-Carlo analysis to estimate them. The model is tested by applying to hypothetical channels of widening, uniform and narrowing geometry. Larger variation in discharge and water depth are expected at narrower sections of a river. It is calibrated by applying to the Hantan River, where severe damages from Yunchun dam-break and levee overtopping occurred on July, 1996. Overtopping risk of dam is calculated for various discharge conditions for Yunchun-dam, and that of levee is also calculated by comparing levee height with flood level at Hantan recreation area. Simulation results show that the overflow depth of flood level is 1,266~0.782 m and the overflow risk turns out to be 100%.
 
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´ïºØ±« ¸ðÇü;È«¼öÆÄ;ºÒÈ®½Çµµ ÇØ¼®;Monte-Carlo ±â¹ý;Dam-break model;Floodware;Uncertainty analysis;Monte-Carlo method;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.31, no.3, 1998³â, pp.337-345
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199811920101036)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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