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Çѱ¹¼öÀÚ¿øÇÐȸ / v.41, no.1, 2008³â, pp.75-85
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( A Study on the Hydraulic Characteristics of Culvert Fishway with Offset Baffles and Fish Passage Effect )
¹Ú¼º¿ë;ÃÖÁö¿õ;À±º´¸¸;±è¼­ÁØ; ¸íÁö´ëÇб³ Åä¸ñ.ȯ°æ°øÇаú;;¸íÁö´ëÇб³ Åä¸ñ.ȯ°æ°øÇаú;¸íÁö´ëÇб³ Åä¸ñ.ȯ°æ°øÇаú;
 
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ÇǶó¹Ì´Â ±¹³» ÇÏõ¿¡¼­ ¼­½ÄÇÏ¸ç ±¹ÁöÀûÀΠȸÀ¯¸¦ ÇÏ´Â ´ëÇ¥ÀûÀÎ ¾îÁ¾ÀÌ´Ù. ÇǶó¹Ì¿Í °°ÀÌ ÀÛÀº ¸öÁýÀÇ ±¹ÁöȸÀ¯¼º ¾îÁ¾Àº ¼­½Äó°£ÀÇ À̵¿ÀÌ »ýÁ¸À» À§ÇØ ÇʼöÀûÀÌ´Ù. ±×·¯³ª ¾î·ù ¼­½Äó°£ÀÇ ¿¬°áºÎ°¡ ¹è¼ö¾Ï°Å(culvert)·Î ¼³Ä¡µÇ¾î ÀÖ´Â °æ¿ì¿¡´Â Æò»ó½Ã ºü¸¥ À¯¼ÓÀÌ ¹ß»ýµÇ¾î ¾î·ù À̵¿¿¡ ¸¹Àº Àå¾Ö¸¦ ÁÖ°í ÀÖ´Ù. ¿Ü±¹¿¡¼­´Â ¹è¼ö¾Ï°ÅÀÇ ¼³°èÀ¯·®°ú À¯¼Ó±âÁØÀÌ È«¼ö±â°£°ú ¾î·ù°¡ »ó·ù·Î ¿Ã¶ó°¡´Â ±â°£º°·Î ÇÊ¿äÇÑ ±â´É¿¡ µû¶ó Á¦½ÃµÇ¾î ÀÖ¾î È«¼ö½Ã¿¡´Â È«¼ö¼ÒÅë±â´É, Æò»ó½Ã¿¡´Â ¾îµµ±â´ÉÀÌ ¹ßÈֵǵµ·Ï ¼³°èÇϰí ÀÖ´Ù. ¾Ï°Å½Ä ¾îµµÀÇ ¼³Ä¡´Â ¾Ï°ÅÀÇ ¾îµµ±â´ÉÀ» Çâ»ó½ÃŰ´Â ¹æ¹ý Áß ÇϳªÀÌ´Ù. ±×·¯³ª ±¹³»¿¡¼­´Â ¹è¼ö¾Ï°ÅÀÇ ¼³°èÀ¯·®°ú À¯¼Ó±âÁØÀÌ È«¼ö¼ÒÅë±â´É¿¡ ´ëÇØ¼­¸¸ Á¦½ÃµÇ¾î ÀÖ¾î ¾îµµ±â´ÉÀº °í·ÁÇÏÁö ¸øÇϰí ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â ¿É¼Â¹èÇà ¼³Ä¡ÈÄ ¼ö¸®Æ¯¼º ¹× ¾î·ùÀ̵¿ È¿°úÀÇ ½ÇÇèÀ» ½ÇÇè¼ö·Î ³»¿¡¼­ ÀÏÁ¤°£°ÝÀÇ À¯¼Ó´Ü°èº°·Î ¿É¼Â¹èÇà ¼³Ä¡Àü°ú ºñ±³ÇÏ¸ç ºÐ¼®ÇÏ¿´´Ù. ½ÇÇè °á°ú À¯¼Ó 1.2m/s °æ¿ì¿¡¼­´Â ³ôÀÌ 5cmÀÇ ¿É¼Â¹èÇà ¼³Ä¡ ÈÄ À¯¼ÓÀÌ Àú°¨µÊ¿¡ µû¶ó ÇǶó¹Ì°¡ ¾Ï°Å½Ä ¾îµµ¸¦ µû¶ó¼­ »ó·ù·Î °Å½½·¯ ¿Ã¶ó°¡´Â ¼º°ø·ü, Áï ¼Ò»ó¼º°ø·üÀÌ ÃÖ´ë 20% °³¼±µÊÀ» È®ÀÎÇÏ¿´´Ù. ƯÈ÷ Á÷°¢À¸·Î ¼³Ä¡µÈ ªÀº ¹èÇà ±¸°£ÀÌ ÇǶó¹Ì°¡ À̵¿ÇÏ´Â ÁÖ À̵¿°æ·Î·Î ³ªÅ¸³µ´Ù. ±×¸®°í FLOW-3D ¸ðÇüÀ» ÀÌ¿ëÇÑ 3Â÷¿ø ¼öÄ¡ÇØ¼®À» ¼öÇàÇÏ¿© ¾îµµ ¼³°è½Ã ¼öÄ¡¸ðÇü½ÇÇèÀÇ È°¿ë°¡´É¼ºÀ» °ËÅäÇÏ¿´´Ù.
The pale chub (Zacco platypus) is a dominant species that migrates locally and inhabits in rivers in Korea. The fish movement at confluences or hydraulic connections is very important especially for the life of small fish as pale chub. If main stream and off-channel habitats are connected with culverts, they would restrict the fish movement due to the high flow velocities and low depths. In foreign conturies, design flow conditions of fish friendly culvert, including flood flow capacity and fish-passage flow capacity, were assigned. Installation of culvert fishways is one way to improve the fish-passing capacity of culverts. On the contrary, in Korea, the design flow of culvert contains only the flood flow capacity. The effect of the fish passage with offset baffles was tested with the fixed velocity method in an experimental flume. As a result, An occasion velocity 1.2m/s, proportional success of pale chubs pass is maximum 20% improve than without baffle flume for energy dissipate. Offset baffle fishway(baffle height 5cm) provides that resting areas and/or a continuous channel of low velocity water in culverts. Especially, short baffle areas are domain where the pale chubs pass. And, FLOW-3D, a three dimentional numerical model, was used in order to evaluate detailed hydraulic characteristics and application possibility in a culvert fishway design.
 
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ÇǶó¹Ì;¼Ò»ó¼º°øÀ²;¾Ï°Å½Ä ¾îµµ;¿É¼Â¹èÇÃ;È޽İø°£;Pale chub;Proportional success of fish pass;culvert fishway;offset baffle;resting areas;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.41, no.1, 2008³â, pp.75-85
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200804503863848)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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