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Çѱ¹Áö¹Ý°øÇÐȸ / v.21, no.2, 2005³â, pp.85-91
»çÁúÅä Áö¹Ý¿¡¼­ ¼±´ÜÁöÁö¸»¶ÒÀÇ P-S Ư¼º
( P-S Characteristics for End-bearing Pile in Granular Material )
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º» ³í¹®¿¡¼­´Â ½Ç³»¸ðÇü½ÇÇè ¹× À¯ÇÑ¿ä¼Ò ÇÁ·Î±×·¥ÀÎ CRISPÀ» ÀÌ¿ëÇÏ¿© »çÁúÅä Áö¹Ý¿¡ ±ÙÀԵǾîÀÖ´Â ¼±´ÜÁöÁö ¸»¶ÒÀÇ ÇÏÁß-ħÇÏ(P-S) °ü°è¸¦ ±Ô¸íÇÏ¿´´Ù. ¼±´ÜÁöÁö¸»¶ÒÀÇ È¿°ú¸¦ À¯ÇÑ¿ä¼Ò ÇØ¼®¿¡¼­ ¸ð»çÇϱâ À§ÇÏ¿© ¸î °¡Áö ÇüÅÂÀÇ ÀÎÅÍÆäÀ̽º ¿ä¼Òµé(slip elements)À» ¸»¶Ò ÁÖº¯ ¹× ¼±´Ü¿¡ µµÀÔÇÏ¿´´Ù. ºñ°ü·Ã ¼Ò¼ºÈ帧 ¹ýÄ¢ÀÇ Á¤µµ, Áï Áö¹Ý°­µµ Á¤¼öÀÎ ³»ºÎ¸¶Âû°¢°ú ÆØÃ¢°¢ÀÇ Â÷ÀÌ Á¤µµ¸¦ °í·ÁÇÑ Mo-Coulomb Áö¹Ý ¸ðµ¨¿¡ À־, ÀÎÅÍÆäÀ̽º ¿ä¼ÒµéÀÌ Æ÷ÇÔµÈ ¼±´ÜÁöÁö¸»¶ÒÀº ³»ºÎ¸¶Âû°¢°ú ÆØÃ¢°¢ÀÇ Â÷À̰¡ À¯ÇÑ¿ä¼Ò ÇØÀÇ ¼ö·Å¿¡ ¸Å¿ì Áß¿äÇÑ ¿ªÇÒÀ» ÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ÇÑÆí, À̿ʹ ´ëÁ¶ÀûÀ¸·Î ¸»¶Ò ÁÖº¯¿¡ Àû¿ëÇÑ ÀÎÅÍÆäÀ̽º ¿ä¼Ò ´ë½Å Roller·Î ¸ð»çµÈ ¼±´ÜÁöÁö¸»¶ÒÀÇ À¯ÇÑ¿ä¼Ò ÇØ´Â ºñ°ü·Ã ¼Ò¼ºÈ帧 ¹ýÄ¢ÀÇ Á¤µµ¿¡ ´ëÇØ¼­ ¿µÇâÀ» ¹ÞÁö ¾Ê°í ¼ö·ÅµÇ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
This paper investigates P-S (load-settlement) relationship for the end-bearing Pile in granular material using the CRISP FE Program with the laboratory 2D model pile load test. In order to simulate the effect of end-bearing pile problem in the FEA, the author adopts several forms of slip element around the pile length and the pile tip. Through this study it was found that e degree of non-associated Plastic flow rule incoporated into the Mohr-Coulomb model for the end-bearing pile with the slip elements was a dominant factor in terms of numerical solution convergence. In contrast, the roller boundary used along the pile shaft showed a smooth convergence with respect to the degree of non-associated plastic flow rule.
 
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Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.21, no.2, 2005³â, pp.85-91
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200502636840268)
¾ð¾î : ¿µ¾î
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