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Çѱ¹Áö¹Ý°øÇÐȸ / v.13, no.5, 1997³â, pp.133-144
·¹¿Ã·ÎÁö ¸ðµ¨À» ÀÌ¿ëÇÑ Åä¼®·ù À̵¿Çؼ®
( An Analysis of Debris Flow Movements Using Rheological Model )
±è»ó±Ô;¼­Èï¼®; Á¤È¸¿ø, µ¿±¹´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;Á¤È¸¿ø, ¿µµ¿Àü¹®´ëÇÐ Åä¸ñ°ú;
 
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±âÁ¸¿¡ ¹ß»ýµÈ Åä¼®·ù ÅðÀû¹°¿¡ ´ëÇÑ Á¡µµ½ÇÇèÀ¸·ÎºÏÅÍ ¼¼¸³ÁúÀÇ ¼ºÁúÀÌ ºùÇÔ ¼Ò¼º(Bingham plastic) ¸ðµ¨·Î Ç¥ÇöµÉ ¼ö ÀÖ´Ù´Â »ç½ÇÀÌ ÆÇ¸íµÇ¾ú´Ù. ÀÌ·¯ÇÑ »ç½Ç°ú ºñ´ºÅæÀ¯Ã¼ÀÇ È帧À» ÇØ¼® ÇÒ ¼ö ÀÖµµ·Ï °³¹ßµÈ ¼öÄ¡ÇØ¼® ÇÁ·Î±×·¥ Polyflow¸¦ ÀÌ¿ëÇÏ¿© Åä¼®·ùÀÇ À̵¿À» ÇØ¼®ÇÏ¿´´Ù. ±× °á°ú ½ÇÁ¦¿Í À¯»çÇÑ À̵¿°á°ú°¡ ¾ò¾îÁ³À¸¹Ç·Î Åä¼®·ùÀÇ À̵¿Àº ÀÌ¿Í °°Àº ±â¹ýÀ¸·Î ÇØ¼®ÇÒ ¼ö ÀÖ´Ù´Â °ÍÀ» ¾Ë°Ô µÇ¾ú´Ù.
It was proved from the viscosity test for deposits of debris flows(Kim and Seo, 1997) that the property of debris flows could be represented as Bingham plastic model. Based on this bahavior, numerical analysis for the movement of debris flows is carried out by using a computer progran Polyflow which huts been developed for the analysis of the behavior of non-Newtonian fluid. The numerical results obtained from two sites agree well with the movement predicted by an empirical formula. It can be concluded, therefore. that this scheme can be used for the analysis of the movement of debris flow.
 
Ű¿öµå
Bingham plastic model;movement;debris flows;non-Newtonian fluid;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.13, no.5, 1997³â, pp.133-144
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199711920447684)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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