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Çѱ¹Áö¹Ý°øÇÐȸ / v.20, no.4, 2004³â, pp.39-47
¸ð·¡´ÙÁü¸»¶Ò(SCP) ½Ã°øÁö¹ÝÀÇ ÁöÁö·Â¿¡ °üÇÑ ½ÇÇèÀû ¿¬±¸
( Experimental Study on Bearing Capacity of Ground Treated by Sand Compaction Piles )
±èº´ÀÏ;±è¿µ¿í;ÀÌ»óÀÍ;Ãֿ뼺; ¸íÁö´ëÇб³ Åä¸ñȯ°æ°øÇаú;¸íÁö´ëÇб³ Åä¸ñȯ°æ°øÇаú;¢ß»óÁö¿£Áö´Ï¾î¸µ;¸íÁö´ëÇб³ Åä¸ñȯ°æ°øÇаú;
 
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¸ð·¡´ÙÁü¸»¶Ò(sand compaction pile)°ø¹ýÀº ¿¬¾àÁö¹Ý¿¡ ¸ð·¡¸»¶ÒÀ» ´ÙÁ® ½Ã°øÇÏ´Â Áö¹Ý°³·®°ø¹ýÀ¸·Î ÃÖ±Ù ¿ì¸®³ª¶ó¿¡¼­ ¸¹ÀÌ »ç¿ëµÇ°í ÀÖ´Ù. ¸ð·¡´ÙÁü¸»¶ÒÀÌ ½Ã°øµÈ Áö¹ÝÀÇ ÁöÁö·ÂÀ» »êÁ¤ÇÏ´Â °ø½ÄÀº ¿©·¯ °³°¡ ÀÖÀ¸³ª ´ëºÎºÐ ¸ð·¡´Ù Áü¸»¶ÒÀÇ Ä¡È¯À²Àº °í·ÁÇÏÁö ¾Ê°í ÀÖ´Ù. ÀÌ ¿¬±¸¿¡¼­´Â 20, 30% ¹× 40%ÀÇ Ä¡È¯À²·Î º¹ÇÕÁö¹ÝÀ» ¹«¸®ÇüÅ·ΠÁ¶¼ºÇÏ¿© ¿ø½É·Â ¾Ð¹Ð½ÃÇè±â¸¦ ÀÌ¿ëÇÏ¿© ¾Ð¹Ð½ÃŲ ÈÄ, ÀçÇϽÃÇèÀ» ½Ç½ÃÇÏ¿© ¸ð·¡´ÙÁü¸»¶ÒÀÌ ½Ã°øµÈ Áö¹ÝÀÇ ÁöÁö·Â Ư¼ºÀ» ÆÄ¾ÇÇÏ´Â ¸ðÇü½ÃÇèÀ» ¼öÇàÇÏ¿´´Ù. ¶ÇÇÑ, ġȯÀ²À» °í·ÁÇÑ º¹ÇÕÁö¹ÝÀÇ ÁöÁö·ÂÀ» ±¸Çϱâ À§Çؼ­ ġȯÀ²¿¡ µû¶ó °¡Á߯ò±ÕÇÏ¿© ÁöÁö·ÂÀ» ±¸ÇÒ ¼ö ÀÖ´Â ½ÄÀ» Á¦½ÃÇÏ¿´À¸¸ç ±×¿¡ ´ëÇÑ Àû¿ë¼ºÀ» °ËÅäÇϱâ À§Çؼ­ ½ÃÇè°á°ú¿Í Á¦¾È ½Ä¿¡ ÀÇÇÑ º¹ÇÕÁö¹ÝÀÇ ÁöÁö·ÂÀ» ºñ±³ °ËÅäÇÏ¿´´Ù.
The SCP(sand compaction pile) method which is a vertical reinforcing technique for soft ground using a sand compaction pile has received increasing popularity in Korea. Currently, there are different methods to evaluate the bearing capacity of the reinforced ground by the SCP method. However, a method that can consider the effect of the replacement ratio on the bearing capacity is not yet available. This study investigated the effect of the replacement ratio on the bearing capacity of the reinforced ground by the SCP method. The study involved laboratory experiments which were conducted on a centrifuge facility. Test conditions included various ranges of replacement ratios (20, 30, and 40%), centrifuged consolidation, and loading. From the results of the study, a method which can evaluate the bearing capacity of the reinforced ground was proposed and verified using the weighted average of the replacement ratio.
 
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Bearing capacity;Centrifugal consolidation apparatus;Composite ground;Sand compaction pile;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.20, no.4, 2004³â, pp.39-47
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200411922383198)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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