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Çѱ¹Áö¹Ý°øÇÐȸ / v.15, no.2, 1999³â, pp.73-80
PHC PileÀÇ Çã¿ëÁöÁö·Â °áÁ¤¿¡ °üÇÑ ¿¬±¸
( A Study on The Decision of Allowable Bearing Capacity of PHC Piles )
¾ÈÁ¾ÇÊ;¹ÚÁÖ¿ø;À̱¤¿ë; Á¶¼±´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;Á¶¼±´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;Á¶¼±´ëÇб³ »ê¾÷´ëÇпø Åä¸ñ°øÇаú;
 
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Áö±Ý±îÁö ¸»¶Ò±âÃÊÀÇ ÀÌ·ÐÀûÀÎ ¿¬±¸¿¡ ÀÖ¾î ¼öÁ÷ÇÏÁßÀ» ¹Þ´Â ¸»¶Ò±âÃÊÀÇ ±ØÇÑÁöÁö·ÂÀ» »êÁ¤ÇÏ´Â °Í¿¡ ÃÊÁ¡ÀÌ ¸ÂÃß¾îÁ® ¿ÔÀ¸¸ç, À̸¦ À§ÇÑ ´Ù¾çÇÑ Á¾·ùÀÇ Á¤Àû ¹× µ¿Àû ÁöÁö·Â °ø½ÄµéÀÌ ¸»¶Ò±âÃÊÀÇ ±ØÇÑÁöÁö·Â »êÁ¤À» À§ÇØ Á¦¾ÈµÈ ¹Ù ÀÖ´Ù. ±×·¯³ª ÀÌµé °ø½ÄÀÇ ÀûÇÕ¼ºÀº ¾ÆÁ÷ È®½ÇÇÏ°Ô Á¤¸³µÇÁö ¸øÇÑ ½ÇÁ¤À̸ç, Á¤¿ªÇÐÀû ¹× µ¿¿ªÇÐÀû °ø½Ä¿¡ ÀÇÇÑ ÁöÁö·ÂÀÇ ½Å·Úµµ´Â ¸»¶ÒÀçÇϽÃÇè¿¡ ÀÇÇÏ¿© È®ÀεǾîÁö°í ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â 4°³ÇöÀå 12°³¼ÒÀÇ PHC PileÀçÇϽÃÇèÀÇ °á°ú¸¦ Åä´ë·Î ÇÏ¿© Á¤¿ªÇÐÀû ÁöÁö·Â °ø½ÄÁßÀÇ ÇϳªÀÎ Meyerhof°ø½Ä°ú µ¿¿ªÇÐÀû ÁöÁö·Â°ø½ÄÁßÀÇ ÇϳªÀÎ Hiley°ø½ÄÀ¸·ÎºÎÅÍ »êÁ¤µÈ µÎ°¡Áö ±ØÇÑÁöÁö·ÂÀÇ °ª°ú ºñ±³ulcornerºÐ¼®ÇÏ¿© º½À¸·Î½á, ¼³°è½Ã Çã¿ëÁöÁö·ÂÀÇ °áÁ¤À» À§ÇØ »ç¿ëµÇ°í ÀÖ´Â °¢ °ø½ÄÀÇ ÀûÇÕ¼ºÀ» °ËÅäÇÏ¿© º¸¾Ò´Ù. ±× °á°ú Ç¥ÁذüÀÔ½ÃÇèÀÇ NÄ¡¸¦ Àû¿ëÇÑ Meyerhof°ø½Ä¿¡ ÀÇÇÑ Á¤¿ªÇÐÀû ¹æ¹ý¿¡ ÀÖ¾î ¾ÈÀüÀ² 3.0À» Àû¿ëÇÔÀº ºñ±³Àû Ÿ´çÇÑ °ÍÀ¸·Î ³ªÅ¸³µ°í, Çן½ÃÇè°á°ú¸¦ Àû¿ëÇÑ Hiley°ø½Ä¿¡ ÀÇÇÑ ¹æ¹ý¿¡ ÀÖ¾î Àû¿ë¾ÈÀüÀ²À» 5.0À¸·Î Á¶Á¤ÇÔÀÌ Å¸´çÇÑ °ÍÀ¸·Î ³ªÅ¸³µÀ¸¸ç, ÃßÈÄ ¹æ´ëÇÑ ÀÚ·áÀÇ ÃàÀû°ú ºÐ¼® ¹× ¿¬±¸¸¦ ÅëÇØ º¸´Ù ÇÕ¸®ÀûÀÎ ¸»¶Ò±âÃÊÀÇ ¼³°è°¡ ÀÌ·ç¾îÁ®¾ß ÇÒ °ÍÀ¸·Î »ç·áµÇ¾ú´Ù.
Analytical studies on piles so far have been directed toward prediction of bearing capacity under vertical loads. Various static and dynamic formulas have been used in predicting the ultimate bearing capacity of a pile. Further, the reliability of these formulas has been verified by comparing the predicted values with the pile load test measurements. Accordingly, by means of the ultimate load from the data measured by the actual field load tests of PHC piles, safety factors were compared and analyzed static and dynamic formula methods applying to 4 different sites. As a result, the safety factor by Meyerhof formula method indicates 3.0 and the safety factor by Hiley formula method indicates 5.0.
 
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The ultimate bearing capacity of a PHC pile;Static and dynamic formula methods;Field load tests;Meyerhof formula method;Hiley formula method;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.15, no.2, 1999³â, pp.73-80
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911921749056)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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