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Çѱ¹¼öÀÚ¿øÇÐȸ / v.24, no.1, 1991³â, pp.99-107
¸¸°î ¼ö·ÎÀÇ È¾¹æÇâ ÇÏ»ó°æ»ç¿Í È帧Ư¼º
( Flow Characteristics and Transverse Bed Slope in Curved Alluvial Channels )
Â÷¿µ±â;ÀÌ´ëö; °Ç±¹´ëÇб³ Åä¸ñ°øÇаú;´ëÀü°ø¾÷´ëÇÐ Åä¸ñ°øÇаú;
 
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º» ¿¬±¸´Â ¸¸°î ÃæÀû¼ö·ÎÀÇ °ÅÄ£ÇÏ»ó(Àç·áÀÇ ÀÔ°æÀÌ 2mmÀÌ»ó)¿¡ ÀÖ¾î Ⱦ¹æÇâ ÇÏ»ó°æ»ç¿Í È帧Ư¼ºÀ» ÇØ¼®Çϱâ À§ÇÑ ¸ðÇüÀ» °³¹ßÇϴµ¥ ÀÖ´Ù. Áú·® º¸Á¸¹ýÄ¢, ¿îµ¿·® ¹æÁ¤½Ä ¹× ÇÏ»ó ¾ÈÁ¤½ÄÀ» Àû¿ëÇÏ¿© ¸¸°î ¼ö·ÎÀÇ È帧Ư¼ºÀ» ¼ö·Î Á߽ɼ±¿¡¼­ÀÇ È¾¹æÇâ ÇÏ»ó°æ»ç¿¡ °üÇÑ ÀϹݽÄÀ¸·Î À¯µµÇϰí, ±× ÇØ¸¦ Sine-generated curve method(SCM)¿¡ ÀÇÇØ ±¸ÇÏ¿´À¸¸ç, ½ÇÃøÄ¡¿Í ºñ±³, ºÐ¼®ÇÏ¿´´Ù. ÃÖ´ë Ⱦ¹æÇâ ÇÏ»ó°æ»ç¿Í À¯¼ÓºÐÆ÷¿¡ ÀÇÇÑ Áöü °Å¸®(lag distances)´Â È«¼ö½Ã Á¦¹æÀÇ À§Çù´Ü¸éÀ» ¿¹ÃøÇÒ ¼ö ÀÖÀ» °ÍÀÌ´Ù.
This study is for simulating to the model which analyzes flow characteristics and transverse bed slopes in a coarse-streambed of the meandering alluvial channels. Using the equations for conservation of mass, momentum, and for lateral stability of the streambed, a linear differential equation of transverse bed slope is derived from the flow characteristics in curved channels. Its solutions are solved by the Sine-generated curve method(SCM) and compared with results of field measurements. Lag distances by the maximum transverse bed slope and velocity profiles will predict risk sections of concave bank under floods.
 
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.24, no.1, 1991³â, pp.99-107
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199111920093479)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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