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Çѱ¹Áö¹Ý°øÇÐȸ / v.15, no.1, 1999³â, pp.5-13
ÄÜÅ©¸®Æ®¸»¶Ò ŸÀԽà ¹ß»ýÇÏ´Â ¾ÐÃàÀÀ·ÂÀÇ »êÁ¤½Ä¿¡ °üÇÑ ¿¬±¸
( A Study on the Formulae for the Compressive Stresses in Concrete Piles during Driving )
ÀÓÁ¾¼®; ¸ñÆ÷´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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¸»¶ÒÀº ŸÀ﵃ ¶§ °¡Àå Å« ÀÀ·ÂÀÌ ¹ß»ýÇϸç ÀÌ ÀÀ·ÂÀÌ ¸»¶ÒÀÇ Çã¿ëÀÀ·Âº¸´Ù Å©¸é ¸»¶ÒÀÌ ¼Õ»ó µÇ¾î À§ÇèÀ» ÃÊ·¡ÇÒ ¼ö ÀÖ´Ù. µû¶ó¼­ »çÀü¿¡ À̸¦ Á¤È®È÷ ¿¹ÃøÇÏ¿© °úµµÇÑ Çן¸¦ ¹Ì¿¬¿¡ ¹æÁöÇØ¾ß ÇÑ´Ù. ÄÜÅ©¸®Æ®¸»¶Ò ŸÀÔ ½Ã ¸»¶Ò¿¡ ¹ß»ýÇÏ´Â ¾ÐÃàÀÀ·ÂÀÇ ¿¹Ãø¹æ¹ýÀº ¿©·¯ °¡Áö°¡ ÀÖÀ¸¸ç ÇöÀç´Â ÆÄµ¿ÀÌ·ÐÀÇ Àü»êÇØ¼®À¸·Î ¸¸Á·½º·¯¿î °á°ú¸¦ ¾òÀ» ¼ö ÀÖ´Ù. ±×·¯³ª °æ¿ì¿¡ µû¶ó¼­´Â ÀÌ ¹æ¹ýÀÇ Àû¿ëÀÌ °ï¶õÇÒ ¼ö ÀÖÀ¸¸ç, ÀÌ ¶§¿¡´Â °£´ÜÇÑ »êÁ¤½ÄÀ» Àû¿ëÇÏ´Â °ÍÀÌ ½Ç¿ëÀûÀÌ´Ù. º» ¿¬±¸¿¡¼­´Â ÀÌ »êÁ¤½Äµé Áß ºñ±³Àû ÇÕ¸®ÀûÀ̶ó°í Æò°¡µÇ´Â »êÁ¤½Äµé ¸¸À» ¼±Á¤Çϰí ÇöÀå¿¡¼­ ½ÇÃøÇÑ ÇןÀÀ·Â°ú ¼±Á¤µÈ »êÁ¤½Äµé·ÎºÎÅÍ ±¸ÇÑ °ªÀ» ºñ±³, ºÐ¼®ÇÏ¿´´Ù. ±× °á°ú Uto¿Í HuyukiÀÇ ½ÄÀÌ ºñ±³Àû Á¤È®ÇÑ °ªÀ» Á¦°øÇϸç Áö¹Ý ¹× ½Ã°øÁ¶°Ç¿¡ µû¶ó ÀÌ °ª¿¡ °¨¼Ò°è¼ö¸¦ °öÇÏ¿© ¼öÁ¤ÇÏ¸é º¸´Ù ´õ Á¤È®ÇÑ °ªÀ» ¾òÀ» ¼ö ÀÖÀ½À» ¾Ë ¼ö ÀÖ¾ú´Ù.
Maximum stress in pile is developed when it is driven. If the stress is greater than allowable stress of the pile, the pile will be damaged and result in stability problem. Therefore, the stress should be estimated correctly beforehand and overstress should be prevented during pile driving. There are many methods to estimate compressive stresses in concrete piles when they are driven. Nowadays, computer analysis on wave equation offers a satisfactory results. But. under certain circumstances, application of this method is difficult. Then, estimation of the stress utilizing simple formulae might be practical. In this study, relatively reasonable formulae were selected and the stresses which were measured in situ and calculated from the formulae were compared and analysed. The results show that the calculated values from Uto and Huyuki's formula were reasonably accurate and more accurate values were acquired if the values are modified by multiplying the reduction factors according to ground and construction conditions.
 
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Pile driving;Compressive stress;Concrete pile;Uto and Huyuki»ýs formula;Reduction factor;Ground condition;Construction condition;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.15, no.1, 1999³â, pp.5-13
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911921748855)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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