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Çѱ¹Áö¹Ý°øÇÐȸ / v.19, no.5, 2003³â, pp.301-310
ÀúġȯÀ² SCP¿¡ ÀÇÇÑ º¹ÇÕÁö¹ÝÀÇ ¾Ð¹Ð °úÁ¤Áß¿¡ ¹ß»ýÇÏ´Â ÀÀ·ÂºÐ´ã°Åµ¿°ú ±× ¸ÞÄ¿´ÏÁò
( Stress Sharing Behaviors and its Mechanism During Consolidation Process of Composition Ground Improved by Sand Compaction Piles with Low Replacement Area Ratio )
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ÀúġȯÀ² »÷µåÄÞÆÑ¼ÇÆÄÀϰø¹ý(SCP°ø¹ý)À» ÇÕ¸®ÀûÀ¸·Î ¼³°èÇϱâ À§Çؼ­´Â ¾Ð¹ÐÁß¿¡ ¹ß»ýÇÏ´Â º¹ÇÕÁö¹Ý ³»ºÎÀÇ ¸ð·¡¸»¶Ò°ú Á¡Åä ¾çÀÚÀÇ »óÈ£¿ªÇаŵ¿À» Á¤È®È÷ ÆÄ¾ÇÇÏ°í ±× ¸ÞÄ¿´ÏÁòÀ» ÀÌÇØÇÏ¿©¾ß ÇÒ Çʿ伺ÀÌ ÀÖ´Ù. º» ³í¹®¿¡¼­´Â ÀúġȯÀ² SCP°ø¹ý¿¡ ÀÇÇØ °³·®µÈ º¹ÇÕÁö¹ÝÀÇ ¾Ð¹ÐÁß¿¡ ¹ß»ýÇÏ´Â ¿ªÇÐÀû »óÈ£ÀÛ¿ëÀ» ±Ô¸íÇϱâ À§ÇÏ¿© ÀÏ·ÃÀÇ ¼öÄ¡ÇØ¼®À» ½Ç½ÃÇÏ¿´´Ù. ¼öÄ¡ÇØ¼®Àº źÁ¡¼Ò¼º ¾Ð¹Ð À¯ÇÑ¿ä¼Ò¹ýÀ» Àû¿ëÇÏ¿´À¸¸ç, ±×¿¡ ´ëÇÑ ½Å·Ú¼ºÀº SCP¿¡ ÀÇÇØ °³·®µÈ º¹ÇÕÁö¹ÝÀÇ ¾Ð¹Ð°Åµ¿¿¡ ´ëÇÑ ÀÏ·ÃÀÇ ¸ðÇü½ÇÇè °á°ú¿ÍÀÇ ºñ±³¸¦ ÅëÇØ °ËÁõÇÒ ¼ö ÀÖ¾ú´Ù. ¶ÇÇÑ, ¼öÄ¡ÇØ¼®ÀÇ °á°úµé·ÎºÎÅÍ ÀúġȯÀ²ÀÇ ¸ð·¡¸»¶ÒÀÌ Å¸¼³µÈ º¹ÇÕÁö¹ÝÀÇ ¸ð·¡¸»¶Ò°ú Á¡Åä¿¡ ´ëÇØ ¾Ð¹ÐÁß¿¡ ¹ß»ýµÇ´Â °¢°¢ÀÇ ¿ªÇаŵ¿°ú º¹ÇÕÁö¹Ý ³»ºÎ¿¡ ´ëÇÑ ÀÀ·ÂºÐ´ã ¸ÞÄ¿´ÏÁò¿¡ ´ëÇÏ¿© ±Ô¸íÇÏ¿´´Ù.
In order to design accurately sand compaction pile (SCP) method with low replacement area ratio, it is important to understand the mechanical interaction between sand piles and clays and its mechanism during consolidation process of the composition ground. In this paper, a series of numerical analyses on composition ground improved by SCP with low replacement area ratio were carried out, in order to investigate the mechanical interaction between sand piles and clays. The applicability of numerical analyses, in which an elasto-viscoplastic consolidation finite element method was applied, could be confirmed comparing with results of a series of model tests on consolidation behaviors of composition ground improved by SCP. And, through the results of the numerical analyses, each mechanical behavior of sand piles and clays in the composition ground during consolidation was elucidated, together with stress sharing mechanism between sand piles and clays.
 
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Composition ground;Low replacement area ratio;Numerical analyses;Sand compaction pile;Stress sharing;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.19, no.5, 2003³â, pp.301-310
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311921979323)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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