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Çѱ¹Áö¹Ý°øÇÐȸ / v.15, no.1, 1999³â, pp.79-98
°­°ü½ºÄ¿Æ® º¸°­ Á¶¸³Åä ±º¸»¶ÒÀÇ ±ØÇÑÁöÁö·Â Æò°¡¿¡ °üÇÑ ¿¬±¸
( A Study on the Estimation of Ultimate Bearing Capacity of Granular Group Piles Reinforced with Steelpipe Skirts )
±èÈ«ÅÃ;ȲÁ¤¼ø;°­ÀαÔ;°í¿ëÀÏ; È«ÀÍ´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;È«ÀÍ´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;(ÁÖ)ºê´Ï¿¤ÄÁ¼³ÅÏÆ®;ÇѶó°Ç¼³(ÁÖ) ±â¼ú¿¬±¸¼Ò;
 
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º» ¿¬±¸¿¡¼­´Â, °­°ü½ºÄ¿Æ® º¸°­ Á¶¸³Åä ±º¸»¶Ò¿¡ ÃÊÁ¡À» µÎ°í, »óºÎ ¸ÅÆ®±âÃÊ¿Í ÇϺαâÃÊÁö¹Ý »çÀÌÀÇ Á¢ÃË¸é °¢ ÁöÁ¡º° ºÒ±Õµî ħÇÏ·® ¿¹ÃøÀ» À§ÇÑ °£Æí À¯ÇÑ¿ä¼ÒÇØ¼®±â¹ý°ú ÀÌ¿¡ ±Ù°ÅÇÑ °¢ ¸»¶Ò ÀÎÁ¢Áö¹ÝÀÇ ÇÏÁߺдãºñ Æò°¡¹æ¹ý ¹× ±ØÇÑÁöÁö·Â Æò°¡ÀýÂ÷ µîÀ» Á¦½ÃÇÏ¿´´Ù. ¶ÇÇÑ Á¦½ÃÇϰíÀÚ ÇÏ´Â ±â¹ýÀÇ ÀûÇÕ¼º°ú, À̸¦ Åä´ë·Î ÇÑ ±ØÇÑÁöÁö·Â ¿¹Ãø°á°úÀÇ Å¸´ç¼ºÀ» È®ÀÎÇϱâ À§ÇØ, $PENTAGON_{3D$ À¯ÇÑ¿ä¼Ò ÇÁ·Î±×·¥À» ÀÌ¿ëÇÑ ÇØ¼®°á°ú¿ÍÀÇ ºñ±³.ºÐ¼®ÀÌ ¼öÇàµÇ¾ú´Ù. À̿ܿ¡µµ, °­°ü½ºÄ¿Æ® º¸°­À¯Çü¿¡ µû¸¥ °Åµ¿Æ¯¼º ºÐ¼®°ú ½ºÄ¿Æ® º¸°­¿¡ ÀÇÇÑ ±ØÇÑÁöÁö·Â Áõ´ëÈ¿°ú¸¦ °ü·Ã ¼³°èº¯¼ö¿Í ¿¬°èÇÑ ºÐ¼® µîÀ» ¼öÇàÇÏ¿´´Ù.
In the present study, a simple finite element method of analysis to predict non-uniform settlements at the interface between the mat foundation and foundation soils is proposed. Based on the proposed finite element method of analysis, the method to evaluate load sharing ratios of the foundation soils adjacent to the granular group piles is also presented. Further proposed is a procedure to estimate ultimate bearing capacity of the skirted granular group piles in a square pattern. To verify validity of the proposed methods and the estimated ultimate bearing capacity of the skirted group piles, comparisons are made with the results analyzed by using the PENTAGON3D FEM program. Finally, behavior characteristics with different reinforcement patterns of the skirts and the effect of an increase of ultimate bearing capacity due to the skirts are analyzed in connection with the design parameters.
 
Ű¿öµå
Non-uniform settlements;FEM analysis;Load sharing ratio;Skirted granular group piles;Ultimate bearing capacity;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.15, no.1, 1999³â, pp.79-98
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911921748916)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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