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Çѱ¹Áö¹Ý°øÇÐȸ / v.12, no.6, 1996³â, pp.79-86
½Ö°î¼± ±Ù»ç¿¡ ÀÇÇÑ ÇöÀ埼³¸»¶ÒÀÇ Ç׺¹ÇÏÁß ÆÇÁ¤
( Yield Load Interpretation for Drilled Shaft Foundations by Hyperbolic Approximation )
¿ø»ó¿¬;Ȳ¼ºÀÏ;Á¶³²ÁØ; ±¹¹Î´ëÇб³ °ø°ú´ëÇÐ Åä¸ñȯ°æ°øÇаú;±¹¹Î´ëÇб³ °ø°ú´ëÇÐ Åä¸ñȯ°æ°øÇаú,, ±¹¹Î´ëÇб³ °ø°ú´ëÇÐ Åä¸ñȯ°æ°øÇаú;;
 
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º» ¿¬±¸¿¡¼­´Â ÀÏ¹Ý Åä»çÃþ¿¡ ¼±´ÜÁöÁöµÈ ÇöÀ埼³¸»¶ÒÀÇ ÀçÇϽÃÇè°á°ú·ÎºÎÅÍ ¾òÀº ÇÏÁß-ħÇÏ ·®°î¼±À» ½Ö°î¼±À¸·Î ȸ±ÍºÐ¼®ÇÏ°í ¿©±â¿¡ °î·ü¹æÁ¤½ÄÀ» ÀÌ¿ëÇÏ¿© ÃÖ´ë°î·üÀ» ³ªÅ¸³»´Â ÇÏÁßÀ» Ç׺¹ÇÏÁßÀ¸·Î ±ÔÁ¤ÇÏ´Â ÆÇÁ¤¹ýÀ» °³¹ßÇÏ¿´´Ù. ±×·¯³ª ÇÏÁß°ú ħÇÏ·®ÀÇ ´ÜÀ§ ¶Ç´Â Ãàô¿¡ µû¶ó ÃÖ´ë°î·üÁ¡ÀÇ À§Ä¡°¡ º¯ÇÏ°í µû¶ó¼­ Ç׺¹ÇÏÁßµµ ´Ù¸£°Ô ÆÇº°µÈ´Ù(¿ø»ó¿¬, 1995). µû¶ó¼­ ÇÏÁß°ú ħÇÏ·®À» Á¤±ÔÈ­(normalization)Çϰí Á¤±ÔÈ­µÈ ħÇÏ·®(xÃà)°ú ÇÏÁßÃà(yÃà)ÀÇ ÃàôÀÌ 1:1ÀÌ µÇµµ·Ï ÇÔÀ¸·Î½á ÇÏÁß°ú ħÇÏ·®ÀÇ ´ÜÀ§¿Í Ãàô¿¡ »ó°ü¾øÀÌ À¯ÀÏÇÑ ÃÖ´ë°î·üÁ¡À» ãÀ» ¼ö ÀÖ¾ú´Ù. º» ³í¹®¿¡¼­ ±âÁ¸ÀÇ ÆÇÁ¤ ¹ýµéÀ» ÀÌ¿ëÇÏ¿© °¢°¢ÀÇ Ç׺¹ÇÏÁßÀ» ±¸Çϰí À̵éÀÇ Æò±Õ°ªÀ» ±âÁØÀ¸·Î ÇÏ¿© Á¤±ÔÈ­ °úÁ¤À» °ËÅäÇÏ¿´´Ù. ÀÌ ÆÇÁ¤¹ýÀ» ÇöÀ埼³¸»¶Ò¿¡ ´ëÇÑ ¿¬Á÷ÀçÇϽÃÇè°á°ú¿¡ Àû¿ëÇÏ¿© ¿¬Á÷Ç׺¹ÇÏÁßÀ» ÆÇÁ¤Çϰí, ÀÌ °á°ú¸¦ ±âÁ¸ÀÇ ÆÇÁ¤ ¹ýµé¿¡ ÀÇÇÑ Ç׺¹ÇÏÁß°úÀÇ ºñ±³¸¦ ½Ç½ÃÇÏ¿´´Ù.
This study develops a new method for interpreting the yield load from load tests on drilled shaft foundations ended on general soils, which is defined as a point where the maximum curvature on the hyperbolic-approximated load-settlement curve occurs. How ever, the point of maximum curvature is a variable depending on the units and scales of the load and settlement. Therefore, to obtain a unique maximum curvature point, both the load and settlement must be normalized by proper parameters, respectively, and be expressed on the same scaled arses(1:1). Normalization has been processed so that the yield load by the new interpretation is to be close to the average of yield loads interpreted by other methods investigated in this study. The quantitative comparison between the new criterion and other conventitonal methods is presented.
 
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Curvature;Drilled shaft;Hyperbola;Normalization;Yield load;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.12, no.6, 1996³â, pp.79-86
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199611920446990)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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