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Çѱ¹Áö¹Ý°øÇÐȸ / v.18, no.6, 2002³â, pp.25-32
ÈëÀÇ ÀÔµµºÐÆ÷¿Í Ç÷¢Å» Â÷¿ø
( The Soil Particles Distributions and Fractal Dimension )
À¯Âù;¾È¼ºÀ²;ÀÌâ³ë;; °æ»ó´ëÇб³ ³ó°øÇаú;ÀüºÏ´ëÇб³ ´ëÇпø ³ó°øÇаú;¼­¿ï½Ã¸³´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;;
 
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ÀüÅëÀûÀÎ ÈëÀÇ ÀÔµµºÐÆ÷ °î¼±»ó¿¡¼­ ÈëÀÇ ±¸¼º ¼ººÐ¿¡ µû¸¥ ÇÁ·¢Å» Â÷¿øÀÇ º¯È­¿¡ ´ëÇØ¼­ Wuµî(1993)°úBittelli µî(1999)ÀÇ ¿¬±¸°á°ú¸¦ Áß½ÉÀ¸·Î Buchan µî(1993)ÀÇ ½ÇÇè°á°ú¸¦ ÀÌ¿ëÇÏ¿© °íÂûÇÏ¿´´Ù. ÀÚ·áºÐ¼®½Ã¿¡´Â ½ÇÆ®¿Í ¸ð·¡ÀÇ °æ°è°ªÀÇ º¯È­¿¡ µû¸¥ ÇÁ·¢Å» Â÷¿øÀÇ º¯È­¸¦ ¾Ë¾Æº¸±â À§ÇÏ¿© 20$mu{m}$, 63$mu{m}$ ±×¸®°í 125$mu{m}$¿¡ ´ëÇÑ ÇÁ·¢Å» Â÷¿øÀ» »êÁ¤ÇÏ¿© Àüü ¹üÀ§¿¡¼­ ±¸ÇÑ ÇÁ·¢Å» Â÷¿ø°ú ºñ±³ÇÏ¿´´Ù. ºÐ¼®°á°ú¿¡¼­´Â ÀüÅëÀûÀÎ ÀÔµµºÐÆ÷°î¼±»ó¿¡¼­ ÇÁ·¢Å» Â÷¿øÀÇ »êÁ¤Àº °¡´ÉÇÑ °ÍÀ¸·Î ³ªÅ¸³µÀ¸¸ç, ½ÇÆ®¿Í ¸ð·¡¼ººÐÀÇ °æ°è°ªÀº Wu µî(1993)ÀÌ Á¦½ÃÇÑ °Í º¸´Ù Bittelli µî(1999)ÀÌ Á¦½ÃÇÑ °æ°è°ªÀÌ ´õ ÀûÀýÇÔÀ» ¾Ë ¼ö ÀÖ¾ú´Ù. ¶ÇÇÑ Bittelli µî(1999)ÀÌ Á¦½ÃÇÑ ½ÇÇè½ÄÀ» ÀÌ¿ëÇØ¼­ ½ÇÆ®¿µ¿ªÀÇ ÇÁ·¢Å» Â÷¿øÀ» ºñ±³Àû Á¤È®ÇÏ°Ô »êÁ¤ÇÒ ¼ö ÀÖ¾ú´Ù.
The fractal dimension that was evaluated with soil components from the traditional particle-size distribution(PSD) curve was analyzed using the results of Wu et al.(1993) and Bittelli et al.(1999). In order to find the change of the variation of fractal dimension with the upper and lower limit, three limit values(200$mu{m}$, 63$mu{m}$, and 125$mu{m}$) were chosen, and these results of fractal dimension analysis were compared to the result that was evaluated in the whole range of the soils. The results showed that it is possible to evaluate fractal dimension from the traditional PSD curve with the soil contents, and it showed that Bittelli et at.(1999)'s upper and lower limit value was more reasonable than Wu et al.(1993). Equations that were presented by Bittelli et at.(1999) also showed a good agreement with the analytical results in the silt domain.
 
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Fractal dimension;Upper and lower cut-off value;Particle-size distribution;Soil contents;Self-similarity;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.18, no.6, 2002³â, pp.25-32
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200211921511290)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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