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Çѱ¹Áö¹Ý°øÇÐȸ / v.20, no.5, 2004³â, pp.117-126
Ãà¼Ò¸ðÇü¸»¶ÒÀ» ÀÌ¿ëÇÑ ÇöÀ埼³¸»¶ÒÀÇ ÁöÁö·Â Æò°¡
( Bearing Capacity Evaluation of the Drilled Shaft Using Small Scale Model Test )
Á¶ÃµÈ¯;±èÈ«¹¬;±è¿õ±Ô; »ï¼º°Ç¼³ T.A.ÆÀ;»ï¼º°Ç¼³ ÇÁ·ÎÁ§Æ® Risk °ü¸®;»ï¼º°Ç¼³ ÁÖÅðø»çÆÀ Åä¸ñÆÄÆ®;
 
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ÃÖ±Ù °ÇÃ౸Á¶¹°ÀÌ ´ëÇüÈ­µÊ¿¡ µû¶ó ÇöÀ埼³¸»¶ÒÀ» ÀÌ¿ëÇÑ Top-Down°ø¹ýÀÌ °ø±â´ÜÃà ¹× °æÁ¦¼º µîÀÇ ÀÌÀ¯·Î ÀÚÁÖ Ã¤Åõǰí ÀÖ´Ù. Top-Down ±âÃÊ·Î ½Ã°øµÇ´Â ÇöÀ埼³¸»¶ÒÀÇ °æ¿ì ¼³°èÇÏÁßÀÌ Å©´Ù´Â ÀÌÀ¯·Î ÀÎÇØ ǰÁúÈ®Àοë ÀçÇϽÃÇèÀ» »ý·«ÇÏ´Â °æ¿ì°¡ ´ëºÎºÐÀ̸ç, ´ë±Ô¸ð ¼³°èÇÏÁßÀ» °ËÁõÇϱâ À§ÇÑ ÀüÅëÀûÀÎ ÀçÇϽÃÇè ¹æ¹ý ¶ÇÇÑ Àû¿ëÇϱ⠰ï¶õÇÑ °æ¿ì°¡ ¸¹´Ù. Top-Down °ø¹ý¿¡ ÀÖ¾î °ÇÃ౸Á¶¹°ÀÇ ´ëÇüÈ­¿¡ ÀÇÇÑ ÇöÀ埼³¸»¶ÒÀÇ »ç¿ëÇÏÁßÀÌ Áõ´ëµÊ¿¡ µû¶ó ÇöÀ埼³¸»¶Ò¿¡ ´ëÇÑ Ç°ÁúÈ®ÀÎÀº Á¡Â÷ Áß¿ä½ÃµÇ°í ÀÖÀ¸¸ç, ÀÌ¿¡ ´ëÇÑ ´ë¾ÈÀ¸·Î¼­ Ãà¼Ò¸ðÇü¸»¶ÒÀ» ÀÌ¿ëÇÑ ½ÃÇè¹æ¹ýÀÇ Àû¿ëÀÌ °¡´ÉÇÒ °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù. º» ¿¬±¸¿¡¼­´Â ´ë±¸°æ ÇöÀ埼³¸»¶ÒÀÇ ÁöÁö·Â ÃøÁ¤½Ã ÀüÅëÀûÀÎ ÀçÇϽÃÇè ¹æ¹ýÀÇ ÇѰ踦 ±Øº¹Çϱâ À§ÇÏ¿© Ãà¼Ò¸ðÇü¸»¶ÒÀ» ÀÌ¿ëÇÏ´Â ¹æ¾ÈÀ» Á¦½ÃÇÏ¿´À¸¸ç ƯÈ÷, ½ÃÇè°á°úÀÇ ÇØ¼®À» À§ÇØ ¾Ï¹Ý¿¡ ±ÙÀÔµÈ ÇöÀ埼³¸»¶ÒÀÇ Ä¡¼öÈ¿°ú¿¡ °üÇÑ ºÐ¼® ¹æ¹ýÀ» Á¦¾ÈÇÏ°í Æò°¡ÇØ º¸¾Ò´Ù.
Recently, the top £¦ down method with drilled shafts as a foundation of high rise building is often adopted for the purpose of construction period reduction and construction cost effectiveness. It is common to omit the loading test as a quality assurance on account of the high capacity of drilled shafts for the top £¦ down method. It seems that the capacity of drilled shaft in recent top £¦ down method is beyond that of conventional loading test method. However, the quality assurance for the drilled shaft as foundation of high rise building becomes much more important since the drilled shaft should bear much higher working load. A small scale test pile can be an alternative as a quality assurance for the drilled shaft with hish capacities. Through a case study, this paper gives an idea for solving the limitation of the conventional loading test method for the quality assurance of drilled shaft with high capacities. In particular, this paper analyzed the scale effect for a small drilled shaft installed into bedrock, which could be used for an alternative.
 
Ű¿öµå
Drilled shaft;Load test;Scale effect;Small scale test pile;Top £¦ down method;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.20, no.5, 2004³â, pp.117-126
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200411922462154)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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