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Çѱ¹¼öÀÚ¿øÇÐȸ / v.32, no.6, 1999³â, pp.697-709
ºÎ¿©Ãë¼öÀå ºÎ±Ù¿¡¼­ÀÇ Çϻ󺯵¿¿¡ ´ëÇÑ 2Â÷¿ø ¼öÄ¡¸ðÀÇ
( Two Dimensional Numerical Simulation of Bed Change in the Reach near Buyeo Intake Station )
ÇѰǿ¬;ÀÌÀ»·¡;¼Õ±¤ÀÍ;ÀÓâ¼ö; °æºÏ´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú, ¹Ú»ç°úÁ¤¼ö·á;°æºÏ´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú, ¹Ú»ç°úÁ¤¼ö·á;¿©³²´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;;
 
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±Ý°­¿¡ À§Ä¡ÇÑ ºÎ¿©Ãë¼öÀå ºÎ±Ù¿¡¼­ÀÇ À¯»çÀ̼ÛÀ» ¸ðÀÇÇϱâ À§Çؼ­ 2Â÷¿ø À¯ÇÑ¿ä¼Ò¸ðÇü(RMA)ÀÌ Àû¿ëµÇ¾ú´Ù. ´Ù¾çÇÑ À¯·®Á¶°ÇÇÏ¿¡¼­ Çϻ󺯵¿¿¡ °üÇÑ ¸ðÀǼöÇà°á°ú´Â °ú°Å ÀÌ Áö¿ª¿¡¼­ÀÇ ½ÇÃøµÈ °ª°ú Àß ÀÏÄ¡ÇÏ¿´´Ù. º» ¿¬±¸¿¡¼­ ÇϵµºÎÀÇ °³¼±°ú Ãë¼ö±¸ ºÎ±ÙÀÇ ÇÏ»óÀúÇϸ¦ À§ÇÑ ´ë¾ÈÀ¸·Î¼­ ¼öÁ¦°ø ¼³Ä¡¿Í ¹ã¼¶Á¦°Å°¡ °í·ÁµÇ¾ú´Ù. ¼öÁ¦°øÀÇ ¼³Ä¡¿¡ ´Ù¶ó Á¾ÈÂÊÀ¸·Î ÁÖÈ帧ÀÌ º¯È¯µÇ¾úÀ¸¸ç, Àü ¿µ¿ª¿¡ °ÉÃļ­ ºñ½ÁÇÑ ÆøÀ» °¡Áø Çϵµ°¡ Çü¼ºµÇ¾ú´Ù. 12,030{{{{ { m}^{3 } }}}}/sec À¯·®Á¶°ÇÀ» Àû¿ëÇÏ¿´À» ¶§, ÁÖ¼ö·ÎºÎÀÇ ÇÏ»ó°í´Â ¾à 5¡­20{{{{ { cm}_{ } }}}} ÀúÇÏÇÏ¿´À¸¸ç, ¹ã¼¶Á¦°Å¿¡ ´ëÇÑ È¿°ú´Â À¯»çÀ̼ۿ¡ ±×´ÙÁö Å« ¿µÇâÀ» ¹ÌÄ¡Áö ¸øÇÏ¿´´Ù. Ãë¼ö±¸ »ó·ùºÎ¿¡¼­ÀÇ Áö¼ÓÀûÀÎ ÇÏ»óÀúÇϸ¦ À§Çؼ­ ¼öÁ¦°øÀÇ ¼³Ä¡´Â À¯»çÀ¯ÀÔÀ» Àú°¨½Ã۴µ¥ È¿°úÀûÀÎ °ÍÀ¸·Î ÆÇ´ÜµÇ¾ú´Ù.
Two dimensional finite element model(RMA) is applied to examine sediment transport behavior near Buyeo water intake station of the Keum River. The simulation results of bed change with various discharge conditions agree with those of observation. As the alternatives of channel modification and resulting bed lowering near intake station, construction of jetties and removal of small island are considered. The station of jetties diverted the main stream toward the other side and the width of the main stream did not change so much. The bed elevation of the main channel is reduced about 5~20 cm, when flow condition of 12,030§©/sec applied. The removal of small island provides the less significant effect on sediment movement. This study shows that the construction of jetties would be effective to reduce the entrainment of sediment.
 
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Ãë¼öÀå;À¯»çÀ̼Û;Çϻ󺯵¿;¼öÁ¦°ø;2Â÷¿ø¸ðÇü;intake station;sediment transport;bed deformation;jetty;two dimensional model;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.32, no.6, 1999³â, pp.697-709
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911920063409)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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