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Çѱ¹Áö¹Ý°øÇÐȸ / v.19, no.6, 2003³â, pp.49-59
´Üµ¶Ä¸À» »ç¿ëÇÑ ¼ºÅäÁöÁö¸»¶Ò¿¡ ´ëÇÑ ¸ðÇü½ÇÇè
( Model Tests on Embankment Piles with Isolated Pile Caps )
È«¿øÇ¥;À̱¤¿ì; Áß¾Ó´ëÇб³ °ø°ú´ëÇÐ °Ç¼³È¯°æ°øÇаú;Áß¾Ó´ëÇб³ ´ëÇпø;
 
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¼ºÅäÁöÁö¸»¶ÒÀÇ ÇÏÁߺдãÈ¿°ú¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â ¿ä¼Ò´Â Å©°Ô ¸»¶Ò¿¡ °üÇÑ ¿ä¼Ò¿Í Áö¹Ý¿¡ °üÇÑ ¿ä¼Ò·Î ±¸ºÐÇÒ ¼ö ÀÖ´Ù. ¿ì¼± ¸»¶Ò¿¡ °üÇÑ ¿ä¼Ò·Î´Â ¸»¶Òĸ°£°Ýºñ¸¦ µé ¼ö ÀÖÀ¸¸ç, Áö¹Ý¿¡ °üÇÑ ¿ä¼Ò´Â ¼ºÅä°í¿Í Áö¹ÝÁ¤¼ö(c, $phi$)¸¦ µé ¼ö ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â ÀÌµé ¿µÇâ¿ä¼ÒµéÀÌ ¼ºÅäÁöÁö¸»¶ÒÀÇ ÇÏÁߺдãÈ¿°ú¿¡ ¹ÌÄ¡´Â ¿µÇâÁ¤µµ¸¦ Æò°¡Çϰí, ±â Á¦¾ÈµÈ À̷нÄÀÇ Å¸´ç¼ºÀ» ÀÔÁõÇϱâ À§ÇÏ¿© ÀÏ·ÃÀÇ ¸ðÇü½ÇÇèÀ» ¼öÇàÇÏ¿´´Ù. º» ¸ðÇü½ÇÇè¿¡¼­ ¸»¶ÒÀº ¼ºÅäÁö¹Ý¾Æ·¡¿¡ 6Çà$ imes$6 ¿­(ȤÀº 5Çà$ imes$5¿­)ÀÇ Á¤¹æÇüÀ¸·Î ¼³Ä¡ÇÏ¿´À¸¸ç, °¢°¢ÀÇ ¸»¶Ò µÎºÎ¿¡ 2.5cm$ imes$2.5cm Å©±âÀÇ ´Üµ¶Ä¸À» ¼³Ä¡ÇÏ¿´´Ù. ½ÇÇè °á°ú ¼ºÅäÁöÁö¸»¶ÒÀÇ ¿¬Á÷ÇÏÁߺдã È¿°ú´Â ¸»¶Òĸ °£ÀÇ °£°ÝÀÌ Ä¿Áú¼ö·Ï °¨¼ÒÇÏ¿´°í, ¹Ý¸é¿¡ ¼ºÅä°í°¡ ³ô¾ÆÁú¼ö·Ï ±×¸®°í ¼ºÅäÁö¹ÝÀÇ »ó´ë¹Ðµµ¸¦ Å©°Ô Á¶¼ºÇÒ¼ö·Ï Áõ°¡ÇÏ¿´´Ù. ¶ÇÇÑ ½ÇÇèÄ¡¿Í ÀÌ·ÐÄ¡ÀÇ ºñ±³°á°ú, Á¦¾È À̷нÄÀÌ ¼ºÅäÁöÁö¸»¶Ò¿¡ ÀÛ¿ëÇÏ´Â ¿¬Á÷ÇÏÁßÀ» ÇÕ¸®ÀûÀ¸·Î Àß »êÁ¤ÇÔÀ» È®ÀÎÇÏ¿´´Ù.
The factors affecting the vertical loads acting on embankment piles can be classified into two factors on pile and soil. Factor on pile is the space between pile cap and factors on soil are embankment height and soil parameters(c, $phi$). Therefore, a series of model tests were performed both to investigate the extent of influence of these factors and to verify the reliability of the proposed theoretical analysis. In the model tests, the piles were installed in the 6 columns $ imes$ 6 rows(or 5 columns $ imes$ 5 rows) below the embankment and the isolated pile caps with the area of 2.5cm $ imes$ 2.5cm were installed on each pile head. The portion of the embankment load carried by model pile caps decreases with increment of the space between pile caps and increases with increment of the embankment height and the relative density(or internal friction angle) of fill. Also, the experimental results showed good agreement with theoretical predictions.
 
Ű¿öµå
Embankment piles;Isolated pile cap;Model test;Theoretical analysis;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.19, no.6, 2003³â, pp.49-59
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311922147854)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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