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Çѱ¹Áö¹Ý°øÇÐȸ / v.22, no.4, 2006³â, pp.21-30
¿ø½É¸ðµ¨¸µÀ» ÀÌ¿ëÇÑ CSCP ¹× SCP·Î °³·®µÈ ¿¬¾àÁö¹ÝÀÇ °Åµ¿
( Behavior of Soft Ground Improved by CSCP and SCP Using Centrifuge Modeling )
¾È±¤±¹; (ÁÖ)¾ÆÀÌÄÜÅØ ±â¼ú¿¬±¸¼Ò;
 
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º» ¿¬±¸¿¡¼­´Â Á¶¸³Áú ¸»¶ÒÀ¸·Î °³·®µÈ Á¡ÅäÁö¹ÝÀÇ ÁöÁö·Â, ÀÀ·ÂºÐ´ãºñ, ¸»¶Ò ¹× Áö¹ÝÀÇ º¯ÇüÇüŸ¦ ÆÄ¾ÇÇϱâ À§ÇÏ¿© ¸»¶ÒÀÇ Á¾·ù(CSCP, SCP)¿Í ġȯÀ²(0, 20, 40, 60%)À» º¯È­½ÃŰ¸é¼­ ¿ø½É¸ðÇü½ÇÇèÀ» ¼öÇàÇÏ¿´´Ù. ½ÇÇè°á°ú, CSCP¿Í SCP·Î °³·®µÈ Áö¹ÝÀÇ ÇÏÁߺñ´Â ġȯÀ²ÀÌ Áõ°¡ÇÔ¿¡ µû¶ó ºñ·ÊÀûÀ¸·Î Áõ°¡ÇÏ¿´°í, CSCP·Î °³·®µÈ Áö¹ÝÀÇ Æò±Õ ÁöÁö·Âºñ°¡ SCP·Î °³·®ÇÑ °æ¿ìº¸´Ù $8{sim}21%$ Á¤µµ Å©°Ô Æò°¡µÇ¾ú´Ù. CSCP·Î °³·®µÈ Áö¹ÝÀÇ Æò±Õ ÀÀ·ÂºÐ´ãºñ°¡ SCPº¸´Ù Å©°Ô ³ªÅ¸³ª CSCP°¡ ´õ Å« ÀÀ·ÂÀ» ºÎ´ãÇÏ´Â °ÍÀ¸·Î Æò°¡µÇ¾ú´Ù. CSCP·Î º¸°­µÈ Áö¹Ý¿¡¼­´Â ÆØÃ¢ÆÄ±«°¡ ¹ß»ýÇÏ¿´°í, SCP·Î º¸°­µÈ Áö¹Ý¿¡¼­´Â ÆØÃ¢ ¹× Àü´ÜÆÄ±«°¡ µ¿½Ã¿¡ ¹ß»ýÇÏ¿´´Ù.
In this study, centrifuge model tests were performed to investigate the stress concentration ratio, bearing capacity and deformation modes of piles in clay ground improved by granular piles with two types of pile (CSCP, SCP) and various replacement ratios (0, 20, 40, 60%). According to the results of tests, the load ratio of ground improved by SCP and CSCP proportionally increased as replacement ratio increased. It shows that average normalized load of ground improved by CSCP is higher by about $8{sim}21%$ than by SCP. As a result of rigid loading tests, it was evaluated that average stress concentration ratio of CSCP is higher than that of SCP. Only expansion failure occurred in CSCP, whereas SCP showed the expansion and shear failure simultaneously.
 
Ű¿öµå
CSCP (Crushed Stone Compaction Pile);Replacement ratio;Rigid;SCP (Sand Compaction Pile);Stress concentration ratio;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.22, no.4, 2006³â, pp.21-30
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200622219588507)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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