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Çѱ¹Áö¹Ý°øÇÐȸ / v.19, no.1, 2003³â, pp.31-40
¿¬Á÷ÇÏÁßÀ» ¹Þ´Â ¹«¸®¸»¶ÒÀÇ »õ·Î¿î ¼³°è ¹æ¹ý
( New Design Method for Pile Group Under Vertical Load )
À̼öÇü;Á¤Ãæ±â; ´ë¿ì°Ç¼³ ±â¼ú¿¬±¸¼Ò;¼­¿ï´ëÇб³ Áö±¸È¯°æ½Ã½ºÅÛ°øÇкÎ;
 
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ÇöÇà ¹«¸®¸»¶Ò ¼³°è¿¡¼­´Â ÇϳªÀÇ ¹«¸®È¿À²À» ÀÌ¿ëÇÏ¿© °³º°¸»¶ÒÀÇ ÁöÁö·ÂÀ¸·ÎºÎÅÍ Àüü ¹«¸®¸»¶ÒÀÇ ÁöÁö·ÂÀ» »êÁ¤Çϰí ÀÖ´Ù. ±×·¯³ª, ¹«¸®¸»¶ÒÀÇ ÁöÁö °Åµ¿Àº ¸»¶Ò ½Ã°ø ¹æ¹ý, ¸»¶ÒÁö¹Ý¸»¶Ò »óÈ£ÀÛ¿ë, ĸ-Áö¹Ý¸»¶Ò »óÈ£ÀÛ¿ë µîÀÇ º¹ÇÕÀûÀÎ ¿µÇâÀ» ¹ÞÀ¸¸ç, µû¶ó¼­ ÇϳªÀÇ ¹«¸®È¿À²¸¸À¸·Î ÀÌ·¸°Ô ´Ù¾çÇÑ ¿µÇâ ¿ä¼ÒµéÀ» ÇÕ¸®ÀûÀ¸·Î °í·ÁÇÏ´Â °ÍÀº ºÒ°¡´ÉÇÏ´Ù. º» ³í¹®¿¡¼­´Â ´Ù¾çÇÑ È¿À²À» µµÀÔÇÏ¿©, ÀÌµé ¿µÇâ ¿ä¼ÒµéÀ» ºÐ¸®ÇÏ¿© °í·ÁÇÒ ¼ö ÀÖ´Â ¹«¸®¸»¶Ò ¼³°è ¹æ¹ýÀ» Á¦¾ÈÇÏ¿´´Ù. Á¦¾ÈµÈ ¹æ¹ý¿¡¼­´Â ÀÌ ¿Ü¿¡µµ ¸»¶ÒÀÇ ÇÏÁß ÀüÀÌ Æ¯¼º°ú À§Ä¡¿¡ µû¸¥ ¸»¶Ò °Åµ¿ÀÇ Â÷À̸¦ °í·ÁÇÒ ¼ö ÀÖÀ¸¸ç, ħÇÏ ±âÁØÀ» ÀÌ¿ëÇÑ È¿À²ÀÇ »êÁ¤À» ÅëÇØ ħÇÏ °üÁ¡ÀÇ ¼³°è°¡ ÀÌ·ç¾îÁú ¼ö ÀÖ´Ù. ±âÁ¸ÀÇ ¸ðÇü½ÇÇè °á°ú·ÎºÎÅÍ Á¦¾ÈµÈ ¼³°è ¹æ¹ý¿¡ Àû¿ëÇÒ ¼ö ÀÖ´Â È¿À²À» »êÁ¤ÇÏ¿© Á¦½ÃÇÏ¿´À¸¸ç, À̸¦ ÀÌ¿ëÇÏ¿© ¶Ç ´Ù¸¥ ¸ðÇü ½ÇÇèÀÇ ÁöÁö·ÂÀ» »êÁ¤ÇÏ°í ½ÃÇè°á°ú¿Í ºñ±³ÇÔÀ¸·Î½á Á¦¾ÈµÈ ¹æ¹ýÀÇ À¯È¿¼ºÀ» Æò°¡ÇÏ¿´´Ù.
Current design of pile group is based on the estimation of the overall bearing capacity of a pile group from that of a single pile using a group efficiency. However, the behaviors of a pile group are influenced by various factors such as the method of pile installation, pile-soil-pile interaction, cap-soil-pile interaction, etc. Thus, it is practically impossible to take into account these factors reasonably with the only group efficiency. In this paper, a new method for the design of pile groups is proposed, where the significant factors affecting the behavior of a pile group are considered separately by adopting several efficiencies. Furthermore, in the proposed method, the load transfer characteristics of piles and the difference of pile behaviors with respect to the pile locations in group can be taken into account. The efficiencies for the method are determined using the settlement failure criterion, which is consistent with the concept of allowable settlement fur structures. The efficiencies calculated from the results of existing model tests are presented, and the bearing capacity of a pile group in the other model test is calculated and compared with that from the test result to verify the validity of the proposed method.
 
Ű¿öµå
Cap-soil-pile interaction;Design of pile group;Pile installation Pile location;Pile-soil-pile interaction;Settlement failure criterion;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.19, no.1, 2003³â, pp.31-40
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311921582121)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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ȸ»ç¼Ò°³ ±¤°í¾È³» ÀÌ¿ë¾à°ü °³ÀÎÁ¤º¸Ãë±Þ¹æÄ§ Ã¥ÀÓÀÇ ÇѰè¿Í ¹ýÀû°íÁö À̸ÞÀÏÁÖ¼Ò ¹«´Ü¼öÁý °ÅºÎ °í°´¼¾ÅÍ
   

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