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Çѱ¹Áö¹Ý°øÇÐȸ / v.23, no.2, 2007³â, pp.85-92
dzȭ¾Ï¿¡ ±ÙÀÔµÈ ÇöÀ埼³¸»¶Ò ÁöÁö·Â °ø½ÄÀÇ ½Å·Ú¼º ºÐ¼®
( Reliability Analysis of Bearing Capacity Equations for Drilled Shafts Socketed in Weathered Rock )
Á¤¼ºÁØ;±è¼º·Ä;¼ÒÁø¸¸;±è¸í¸ð; ¼­¿ï´ëÇб³ Áö±¸È¯°æ½Ã½ºÅÛ°øÇкÎ;µ¿¾Æ´ëÇб³ Åä¸ñ°øÇаú;¼­¿ï´ëÇб³ Áö±¸È¯°æ½Ã½ºÅÛ°øÇкÎ;¼­¿ï´ëÇб³ Áö±¸È¯°æ½Ã½ºÅÛ°øÇкÎ;
 
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ÃÖ±Ù, ´ëÇü±¸Á¶¹°ÀÇ ±âÃʷμ­ ÇöÀ埼³¸»¶ÒÀÇ »ç¿ëÀÌ Áõ°¡Çϸ鼭 ½Å·Ú¼ºÀÖ´Â ¸»¶Ò ÁöÁö·ÂÀÇ »êÁ¤ÀÌ Áß¿äÇØÁ³´Ù. ÀÌ¿¡ µû¶ó, º» ¿¬±¸¿¡¼­´Â ±¹³» dzȭ¾Ï¿¡ ±ÙÀÔµÈ ÇöÀ埼³¸»¶ÒÀ» ´ë»óÀ¸·Î Á¤ÀçÇϽÃÇè ¼öÇà°á°ú¿Í ÁöÁö·Â °ø½ÄÀ¸·ÎºÎÅÍ ±¸ÇÑ ÁöÁö·Â°ªÀ» ºñ±³ÇÔÀ¸·Î½á ÁöÁö·Â °ø½ÄÀÇ ½Å·Ú¼ºÀ» È®ÀÎÇϰíÀÚ ÇÏ¿´´Ù. ºÐ¼®´ë»óÀº 4°³ ÇöÀå¿¡¼­ ¼öÇàµÈ ÃÑ 12º»ÀÇ Á¤ÀçÇϽÃÇè ¸»¶ÒÀ̸ç, ½ÃÇ踻¶Ò¿¡ ´ëÇÑ ÀçÇϽÃÇè ÀÚ·á ¹× Ç³È­¾ÏÀÇ ¾Ï¹Ý ¹°¼º°ªÀ» ºÐ¼®ÇÏ¿´´Ù. º» ¿¬±¸¿¡¼­ ºÐ¼®ÇÑ ÁöÁö·Â °ø½ÄÀº ½Ç¹«¿¡¼­ ³Î¸® Àû¿ëµÇ°í ÀÖ´Â AASHTO ¹æ¹ý(1996), Carter¿Í Kulhawy ¹æ¹ý(1988), ±×¸®°í FHWA ¹æ¹ý(1999)µîÀÌ´Ù. ÀçÇϽÃÇè¿¡¼­ °áÁ¤µÈ ÁöÁö·Â°ú °¢ ÁöÁö·Â °ø½ÄµéÀÇ »êÁ¤ °á°ú¸¦ ºñ±³ ºÐ¼®ÇÑ °á°ú Carter¿Í Kulhawy ¹æ¹ý(1988)ÀÌ ¼³°è ¾ÈÀüÃøÀÇ ÁöÁö·Â°ªÀ» ÁÖ¸ç º¯µ¿°è¼ö°¡ À۾Ƽ­ ½Å·Ú¼ºÀÌ ³ôÀº °ÍÀ¸·Î Æò°¡µÇ¾ú´Ù.
As the use of drilled shafts for foundation of a large size structure increases, the evaluation of the reliable bearing capacity of the pile has become important. The purpose of this study is to verify the reliability of bearing capacity equations for drilled shafts socketed in weathered rock by comparing the bearing capacity values from static load tests with values from bearing capacity equations. In this study, twelve data from static load test were selected from four field sites, and the data of load test and the properties of weathered rock were analyzed. Three methods widely used in practice were selected for analysis, namely the AASHTO method (1996), Carter & Kulhawy method (1988), and FHWA method (1999). The comparison of the bearing capacity values from the bearing capacity equations to those obtained from load tests showed that the Carter & Kulhawy method (1988) was the most reliable in giving conservative design values and smaller COV (Coefficient Of Variation).
 
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Drilled shaft;Pile load test;Pile capacity;Reliability analysis;Rock socketed pile;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.23, no.2, 2007³â, pp.85-92
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200712242508665)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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