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Çѱ¹Áö¹Ý°øÇÐȸ / v.16, no.4, 2000³â, pp.117-128
¸ð·¡´ÙÁý¸»¶Ò(SCP)ÀÇ Ä¡È¯À² º¯È­¿¡ µû¸¥ °Åµ¿ Ư¼º ¿¬±¸
( Behaviour Characteristics of Sand Compaction Pile with varying Area Replacement Ratio )
¹Ú¿ë¿ø;±èº´ÀÏ;À±±æ¸²;ÀÌ»óÀÍ;¹®´ëÁß;±Ç¿À¼ø; Á¤È¸¿ø, ¸íÁö´ëÇб³ °ø°ú´ëÇÐ SOC °øÇкÎ;Á¤È¸¿ø, ¸íÁö´ëÇб³ °ø°ú´ëÇÐ SOC °øÇкÎ;Á¤È¸¿ø, Çѱ¹Çؾ翬±¸¼Ò Ç׸¸°øÇм¾Å¸;Á¤È¸¿ø, ¸íÁö´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;¸íÁö´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;Á¤È¸¿ø, Çѱ¹Çؾ翬±¸¼Ò Ç׸¸¿¬±¸¼¾Å¸;
 
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¸ð·¡´ÙÁü¸»¶Ò(SCP)°ø¹ýÀº ´À½¼ÇÑ ¸ð·¡Áö¹ÝÀ̳ª ¿¬¾àÇÑ Á¡¼ºÅäÁö¹ÝÀ» ¾Ð¹ÐÃËÁø½Ã۰í ÁöÁö·ÂÀ» °­È­ÇÏ¿© Áö¹ÝÀ» °³·®ÇÒ ¸ñÀûÀ¸·Î Àû¿ëµÇ´Â °³·®°ø¹ýÀÌ´Ù. ÀÌ ¿¬±¸¿¡¼­´Â ¿¬¾àÁö¹Ý°³·®À» À§ÇØ Á¡ÅäÁö¹Ý¿¡ ¸ð·¡´ÙÁü¸»¶ÒÀ» »ç¿ëÇÏ´Â °æ¿ì¿¡ Áö¹Ý°³·®¸ñÀû¿¡ ºÎÇյǴ ÀûÀýÇÑ Ä¡È¯À²($a_s$)À» °áÁ¤Çϱâ À§ÇØ Ä¡È¯À² º¯È­¿¡ µû¸¥ ¸ðÇüÅäÁ¶½ÃÇè°ú ´ëÇüÁ÷Á¢Àü´Ü½ÃÇèÀ» ½Ç½ÃÇÏ¿´´Ù. ¿øÇü¸ðÇüÅäÁ¶¸¦ ÀÌ¿ëÇÑ ½Ç³»½ÃÇè¿¡¼­´Â 20%, 30%, 40%, 50%, 60% ÀÇ Ä¡È¯À²·Î ¸ð·¡´ÙÁü¸»¶ÒÀ» Á¶¼ºÇÏ¿© ¸ð·¡´ÙÁü¸»¶ÒÀÇ Ä¡È¯À²°ú º¹ÇÕÁö¹ÝÀÇ ÀÀ·ÂºÐ´ãºñ, ħÇÏÀú°¨È¿°úÀÇ ÇѰ踦 ±Ô¸íÇÏ¿´´Ù. ¶ÇÇÑ, ´ëÇüÁ÷Á¢Àü´Ü½ÃÇè±â¸¦ ÀÌ¿ëÇÏ¿© ġȯÀ² 20%, 30%, 46% ÀÇ º¹ÇÕÁö¹Ý¿¡ ´ëÇÏ¿© ġȯÀ²ÀÌ º¹ÇÕÁö¹Ý °­µµ¿¡ ¹ÌÄ¡´Â ¿µÇâµµ Á¶»çÇÏ¿´´Ù.
Sand compaction pile(SCP) is one of the ground improvement techniques which is being used for not only accelerating consolidation but also increasing bearing capacity of loose sands or soft clay grounds. In this study, laboratory model test and large-scale direct shear test were performed to investigate the effects of area replacement ratio of composite ground in order to find out the optimum value of area replacement ratio for the ground improvement purpose. Area replacement ratios of 20%, 30%, 40%, 50%, 60% were chosen respectively in the model tests to study the effects of area replacement ratio on variations of stress concentration ratio, settlement and shear strength characteristics of composite ground. In large-scale direct she4ar tests, area replacement ratios of 20%, 30%, 46% were applied to study their effects on shear strength characteristics of composite ground.
 
Ű¿öµå
Sand compaction pile;Area replacement ratio;Composite ground;Soft clay;stress concentration ratio;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.16, no.4, 2000³â, pp.117-128
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200011920441388)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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