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Çѱ¹Áö¹Ý°øÇÐȸ / v.26, no.1, 2010³â, pp.5-19
ÀÎõ ¼ÛµµÁö¿ª ÁöÃþºÐÆ÷ ÃßÁ¤À» À§ÇÑ Å©¸®±ë°ú ¿ª°Å¸®°¡ÁßÄ¡¹ýÀÇ Àû¿ë
( Application of Kriging and Inverse Distance Weighting Method for the Estimation of Geo-Layer of Songdo Area in Incheon )
±èµ¿ÈÖ;·ùµ¿¿ì;ÃÖ¿µ¹Î;ÀÌ¿ìÁø; °í·Á´ëÇб³ °ÇÃà.»çȸȯ°æ°øÇкÎ;Çѱ¹ÁöÁúÀÚ¿ø¿¬±¸¿ø Áö¹Ý¾ÈÀü¿¬±¸ºÎ;°í·Á´ëÇб³ °ÇÃà.»çȸȯ°æ°øÇкÎ;°í·Á´ëÇб³ °ÇÃà.»çȸȯ°æ°øÇкÎ;
 
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¸Å¸³Áö¹ÝÀÇ ÁöÃþºÐÆ÷´Â ÅÍÆÄ±â °ø»ç ½Ã ÁöÃþÆÄ¾Ç, ¸»¶Ò ÁöÁöÃþ ½Éµµ ¿¹Ãø, ÀÜ·ù ħÇÏ·® ¿¹Ãø µî¿¡ Á÷Á¢ÀûÀ¸·Î »ç¿ëµÇ´Â Áß¿äÇÑ Á¤º¸ÀÌ´Ù. ÀÌ·¯ÇÑ ÁöÃþºÐÆ÷´Â ±âÁ¸ÀÇ Áö¹ÝÁ¶»çÀڷḦ ÀÌ¿ëÇÏ¿© Áö±¸Åë°èÇÐÀû ¹æ¹ýÀÎ Å©¸®±ë°ú À̰ݰŸ®¿¡ µû¶ó °¡ÁßÄ¡¸¦ ºÎ¿©ÇÏ´Â ¿ª°Å¸®°¡ÁßÄ¡¹ý µîÀ» »ç¿ëÇÏ¿© ÃßÁ¤ÇÒ ¼ö ÀÖ´Ù. º» ³í¹®¿¡¼­´Â Å©¸®±ë°ú ¿ª°Å¸®°¡ÁßÄ¡¹ýÀÇ ÃßÁ¤°á°úÀÇ ½Å·Ú¼ºÀ» ±³Â÷°ËÁõÇÑ ÈÄ °¢°¢ÀÇ ¹æ¹ý¿¡¼­ »ç¿ëµÇ´Â ÀûÁ¤ÇÑ º£¸®¿À±×·¥ ¸ðµ¨°ú $alpha$ °ªÀ» Á¦½ÃÇÏ¿´´Ù. Å©¸®±ë¿¡¼­´Â ½ÇÇèÀû º£¸®¿À±×·¥¿¡ °¡Àå ÀûÇÕÇÑ ÀÌ·ÐÀû º£¸®¿À±×·¥ ¸ðµ¨ÀÌ ¹Ýµå½Ã °¡Àå ½Å·Ú¼º ³ôÀº ÃßÁ¤°á°ú¸¦ ÁÖÁö ¾Ê´Â´Ù´Â °ÍÀ» ¾Ë ¼ö ÀÖ¾ú´Ù. ¿ª°Å¸®°¡ÁßÄ¡¹ý¿¡¼­´Â ÁöÃþÀÇ Çü¼º°úÁ¤¿¡ µû¶ó ÀûÁ¤ $alpha$ °ªÀÌ ´Ù¸£¸ç, dzȭÅä°¡ ¸Å¸³Ãþ°ú ÅðÀûÃþº¸´Ù Å« $alpha$ °ªÀ» »ç¿ëÇÒ °æ¿ì ½Å·Ú¼º ³ôÀº °á°ú¸¦ ¾òÀ» ¼ö ÀÖ¾ú´Ù. Å©¸®±ëÀÇ ÃßÁ¤°á°ú°¡ ¿ª°Å¸®°¡ÁßÄ¡¹ý¿¡ ºñÇÏ¿© ½Å·Ú¼ºÀÌ ³ôÀº °ÍÀ¸·Î ³ªÅ¸³µÀ¸¸ç, Å©¸®±ëÀº º£¸®¿À±×·¥À» ÀÌ¿ëÇÏ¿© ÁöÃþºÐÆ÷ÀÇ ±¸Á¶¸¦ ÆÄ¾ÇÇÒ ¼ö ÀÖ¾ú´Ù.
Geo-layer information is important to determine pile length and estimate residual settlement in the construction site. An overall spatial distribution of geo-layers in the entire construction site can be predicted using drill-log information. In this study, the geo-layer distribution at Song-do area was estimated by kriging and inverse distance weighting methods, and a cross validation was adopted to verify the reliability of estimation results. The analysis results indicate that the best fitted theoretical variogram model to the experimental variogram does not always provide the most reliable estimation in the kriging method. The proper $alpha$ value of inverse distance weighting method must be determined by types of geo-layer, because the $alpha$ value is affected by types of geo-layer. Results of the kriging method show more reliable results than those of inverse distance weighting method, and the structure of geo-layer distribution could be evaluated by variogram in the kriging method.
 
Ű¿öµå
Cross validation;Geostatistics;Inverse distance weighting method;Kriging;Variogram;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.26, no.1, 2010³â, pp.5-19
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201015939077224)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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