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Çѱ¹Áö¹Ý°øÇÐȸ / v.24, no.8, 2008³â, pp.149-160
¹è¼öÁ¶°Ç¿¡ µû¸¥ Ãø¹æÀ¯µ¿ ÇØ»ó¸»¶ÒÀÇ °Åµ¿Æ¯¼º
( Undrained and Drained Behaviors of Laterally-loaded Offshore Piles )
¼­µ¿Èñ;Á¤»ó¼¶;±è¿µÈ£; Univ. of Western Australia ÇØ»ó±âÃʽýºÅÛ¿¬±¸¼Ò;¿¬¼¼´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;¿¬¼¼´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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1990³â´ë ÀÌÈÄ·Î ÀÎõ°ú ºÎ»ê½ÅÇ× µîÀÇ ¹°·ùÁß½ÉÇ×±¸ ¹× ¼Ûµµ ½Åµµ½Ã¿Í °°Àº À¯ºñÄõÅͽº µµ½Ã °³¹ß¿¡ ¹ß¸ÂÃß¾î ÀαÙÇØ»ó¿¬¾àÁö¹Ý ¸Å¸³°ø»ç°¡ Ȱ¹ßÈ÷ ÁøÇàµÇ¸é¼­ Ãø¹æÀ¯µ¿ ÇØ»ó¸»¶Ò±âÃÊÀÇ °Åµ¿Æ¯¼º¿¡ Æø³ÐÀº °ü½ÉÀÌ ÁýÁߵǰí ÀÖ´Ù. Ãø¹æÀ¯µ¿ ¸»¶Ò±âÃÊ °Åµ¿¿¡ ´ëÇÑ ¿¬±¸ ¹× ±Ô¸íÀº ¿ø½É¸ðÇü±â °³¹ß°ú ÄÄÇ»ÅÍ ±â´ÉÀÇ Çâ»óÀ¸·Î ÀÎÇÏ¿© Æø³ÐÀº ½Ãµµ°¡ ÀÌ·ç¾îÁ® ¿ÔÀ¸¸ç, ƯÈ÷ ¸»¶Ò±¸Á¶¹°¿¡ ÀÛ¿ëÇÏ´Â Ãø¹æÀ¯µ¿¾ÐÀÇ Æ¯¼ºÀÌ °¡Àå Áß¿äÇÑ ÃÊÁ¡ÀÌ µÇ°í ÀÖ´Ù. ÀÌ¿¡ º» ¿¬±¸¿¡¼­´Â ´ëº¯Çü ¾Ð¹Ð¿¬°è À¯ÇÑ¿ä¼ÒÇØ¼® ±â¹ý(LDFE)À» ¹ÙÅÁÀ¸·Î ¹è¼öÁ¶°Ç(ºñ¹è¼ö : ´Ü±â, ¹è¼ö : Àå±â)¿¡ µû¸¥ Ãø¹æÀ¯µ¿ ÇØ»ó ¸»¶Ò±âÃÊÀÇ °Åµ¿Æ¯¼ºÀ» ºÐ¼®ÇÏ¿´À¸¸ç ƯÈ÷, ¸»¶Ò-Áö¹Ý »óÈ£ÀÛ¿ëÀ» °í·ÁÇÑ Ãø¹æÀ¯µ¿¾Ð¿¡ ÁßÁ¡À» µÎ¾ú´Ù. º» ¼öÄ¡ÇØ¼®¿¡¼­´Â ÁöÃþÁ¶°Ç, ¸»¶ÒµÎºÎÀÇ °æ°èÁ¶°Ç, ¼ºÅäÇÏÁß Å©±â, Æò±Õ¾Ð¹Ðµµ ³× °¡Áö Á߿亯¼ö¿¡ µû¸¥ °Åµ¿¾ç»óÀ» ºñ±³ ºÐ¼®ÇÏ¿´À¸¸ç, À̷κÎÅÍ ºñ¹è¼ö ´Ü°è¿Í ¹è¼ö ´Ü°è¿¡¼­ÀÇ Ãø¹æÀ¯µ¿¾ÐÀÇ ºÐÆ÷ÇüÅÂ¿Í Å©±â¿¡ ´ëÇÑ Á¤·®ÀûÀÎ Â÷À̸¦ È®ÀÎÇÏ¿´´Ù.
Offshore pile foundations are prone to lateral soil pressures resulting from embankment construction for the reclamation on deepwater soft clay. Since the 1990s, offshore reclamation has actively progressed in Korea, connecting with the development of Songdo newtown, Incheon newport, and Busan newport representatively. Special attention has been given to lateral soil-structure interaction problems related to passively-loaded offshore pile foundations. Based on a plane strain large deformation finite element (LDFE) approach, this paper presents the results of investigation into undrained (short-term) and drained (long-term) behavior of passively-loaded offshore pile foundations. This study examines the effects of major factors, such as soil profile, pile head boundary condition, magnitude of embankment load, and average degree of consolidation. The results allowed quantification of differences in the magnitude of lateral soil pressure acting on the piles between undrained and drained phases.
 
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Drained;Large deformation finite element analysis;Lateral soil pressure;Offshore pile foundation;Undrained;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.24, no.8, 2008³â, pp.149-160
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200800557078829)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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