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Çѱ¹Áö¹Ý°øÇÐȸ / v.27, no.1, 2011³â, pp.5-16
°øµ¿ÀÌ Á¸ÀçÇÏ´Â ¾Ï¹Ý¿¡ ½Ã°øµÈ ¸»¶Ò±âÃÊÀÇ ÇÏÁßÁöÁö ¸ÞÄ«´ÏÁò¿¡ °üÇÑ ¼öÄ¡ÇØ¼® ¿¬±¸
( Numerical Investigation on Load Supporting Mechanism of a Pile Constructed above Underground Cavity )
ÃÖ°í´Ï;À¯Ãæ½Ä; ¼º±Õ°ü´ëÇб³ ÃʰíÃþÀå´ë±³·®Çаú;¼º±Õ°ü´ëÇб³ °Ç¼³È¯°æ½Ã½ºÅÛ;
 
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º» ¿¬±¸¿¡¼­´Â 3Â÷¿ø À¯ÇÑ¿ä¼ÒÇØ¼®À» ÀÌ¿ëÇÏ¿© ¼®È¸°øµ¿Çü¼º ¾Ï¹Ý¿¡ ½Ã°øµÈ ¸»¶Ò±âÃÊÀÇ ÇÏÁßÁöÁö ¸ÞÄ«´ÏÁò º¯È­¸¦ ºÐ¼®ÇÏ¿´´Ù. À̸¦ À§ÇÏ¿© °øµ¿ÀÇ ±âÇÏÇÐÀû Á¶°ÇÀ» º¯È­½ÃŰ¸ç ¸»¶Ò±âÃÊÀÇ ±ØÇÑÁöÁö·Â, Áö¹ÝÀÇ Ç׺¹ÇüÅÂ, ¸»¶Ò°ú °øµ¿ ÁÖÀ§ÀÇ ÀÀ·ÂºÐÆ÷ ¹× ¸»¶Ò±âÃÊÀÇ Ä§ÇÏ¿Í °øµ¿ÀÇ º¯Çü µî ÇØ¼®°á°ú¸¦ °íÂûÇÏ¿© ¸»¶Ò±âÃÊÀÇ ¿ªÇÐÀû °Åµ¿À» °ËÅäÇÏ¿´´Ù. º» ¿¬±¸°á°ú, ¸»¶ÒÀÇ ÇÏÁßÁöÁö ¸ÞÄ«´ÏÁò, Áö¹ÝÀÇ ÆÄ±«ÇüÅ ¹× ¸»¶Ò±âÃÊÀÇ ±ØÇÑÁöÁö·Â °¨¼ÒÀ²Àº °øµ¿ÀÇ ±âÇÏÁ¶°Ç¿¡ ÀÇÇØ °áÁ¤µÇ¸ç ÀÌ·¯ÇÑ °æÇâÀ» Åä´ë·Î °øµ¿ÀÇ Æ¯Á¤Á¶°Ç¿¡ ´ëÇÑ ¸»¶ÒÀÇ ±ØÇÑÁöÁö·Â °¨¼ÒÀ² ±×·¡ÇÁ¸¦ Á¦½ÃÇÏ¿´´Ù.
This paper presents the results of a three-dimensional finite element analysis on load supporting mechanism of pile constructed above underground cavity in limestone rock formation. Considering a wide range of cavity conditions, the behavior of pile was studied using the bearing capacity, rock yielding pattern, stress distribution and deformation of pile head and the cavity. The results indicate that the load transfer mechanism of pile, rock yielding pattern and the reduction of bearing capacity of pile significantly vary with the location, size and length of cavity. Based on the results, graphical solutions defining the reduction of the bearing capacity with specific cavity conditions were suggested.
 
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Ultimate bearing capacity;Pile foundation;Finite-element method;Limestone;Cavity;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.27, no.1, 2011³â, pp.5-16
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201115537946588)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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