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Çѱ¹Áö¹Ý°øÇÐȸ / v.25, no.12, 2009³â, pp.107-118
PHC Çן¸»¶Ò¿¡ ´ëÇÑ CPT ¼±´Ü ÁöÁö·Â »êÁ¤½ÄÀÇ Àû¿ë¼º
( Applicability of CPT-based Toe Bearing Capacity of PHC Driven Piles )
;Á¤¼º±³;±è¼º·Ä; Áø¿µ ¿£Áö´Ï¾î¸µ;µ¿¾Æ´ëÇб³ Åä¸ñ°øÇаú;µ¿¾Æ´ëÇб³ Åä¸ñ°øÇаú;
 
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CPTÀÇ °üÀÔ°ú ¸»¶ÒÀÇ Çן´Â ±×µéÀÇ °Åµ¿ÀÌ ¾ÆÁÖ À¯»çÇϱ⠶§¹®¿¡ CPT °á°ú¸¦ ÀÌ¿ëÇÑ ¸»¶ÒÀÇ ÁöÁö·Â ¿¹Ãø¹æ¹ýÀÌ ¸¹ÀÌ Á¦¾ÈµÇ¾î ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â CPT °á°ú¸¦ ÀÌ¿ëÇÑ ¼±´ÜÁöÁö·Â »êÁ¤°ø½ÄÀÇ ±¹³» Àû¿ë¼ºÀ» ºÐ¼®Çϱâ À§ÇÏ¿© ³«µ¿°­ Çϱ¸ ´ë½Éµµ ¿¬¾àÁö¹Ý ÇöÀå¿¡¼­ ½Ã°øµÈ PHC Çן¸»¶ÒÀ» ´ë»óÀ¸·Î ÃÑ 172º»ÀÇ µ¿ÀçÇϽÃÇè ÀÚ·á¿Í 82°³¼ÒÀÇ CPT ÀڷḦ ¼öÁýÇÏ¿´´Ù. ½Å·Ú¼º ³ôÀº ÀÚ·á ¼±Á¤À» À§ÇØ 4´Ü°èÀÇ º¸Á¤ÀýÂ÷¸¦ °ÅÃÆÀ¸¸ç, Åë°èÀû ±â¹ýÀ» ÀÌ¿ëÇÏ¿© °¢ °ø½ÄÀÇ Àû¿ë¼ºÀ» ºÐ¼®ÇÏ¿´´Ù. ±× °á°ú, ÃÑ 10°¡ÁöÀÇ °ø½Ä Áß¿¡¼­ Aoki ¹æ¹ý(1975), LCPC ¹æ¹ý(1982), ICP ¹æ¹ý(2005)ÀÇ ¼ø¼­·Î ±× Àû¿ë¼ºÀÌ ³ôÀº °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
As CPT penetration tends to show a similar behavior to that of pile driving, a number of methods for estimating the toe bearing capacity of piles based on CPT data have been proposed. To evaluate the applicability of the methods in this country, a total of 172 dynamic load tests data on PHC piles and 82 CPT data at a site in the Nakdong River estuary were collected. A specific four-step procedure was adopted for the selection of the reliable data, and statistical techniques were then applied to the analysis of the applicability. The results indicated that among a total of 10 CPT-based methods applied, the best one is the Aoki method (1975), followed by the LCPC (1982), ICP (2005) methods and others.
 
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Cone penetration test;Dynamic pile load test;PHC pile;Soft deposit;Toe bearing capacity;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.25, no.12, 2009³â, pp.107-118
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200919061726870)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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