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Çѱ¹µµ·ÎÇÐȸ / v.10, no.4, 2008³â, pp.31-40
¾Æ½ºÆÈÆ® ÄÜÅ©¸®Æ® ¸Þ½ºÅÍ ±Ø¼±¿¡ ´ëÇÑ ¼öÁ¤ Ramberg-Osgood ¸ðµ¨ Àû¿ë
( Application of Modified Ramberg-Osgood Model for Master Curve of Asphalt Concrete )
±Ç±âö; µ¿ÀÇ´ëÇб³ Åä¸ñ°øÇаú;
 
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¾Æ½ºÆÈÆ® ÄÜÅ©¸®Æ®ÀÇ µ¿Åº¼º°è¼ö´Â ¾Æ½ºÆÈÆ® Æ÷Àå ÇØ¼® ¹× ¼³°è¿¡ ¸Å¿ì Áß¿äÇÏ´Ù. µ¿Åº¼º°è¼öÀÇ ¸Þ½ºÅÍ °î¼±Àº ÀϹÝÀûÀ¸·Î ½Ã±×¸ðÀÌ´Þ ÇÔ¼ö·Î Ç¥ÇöµÈ´Ù. Ramberg-Osgood ¸ðµ¨Àº Áö¹Ýµ¿¿ªÇко߿¡¼­ º¯Çü·ü Å©±â¿¡ µû¸¥ Á¤±ÔÈ­ ź¼º°è¼ö °¨¼Ò °î¼±¿¡ ´ëÇÑ ÇÇÆÃ¸ðµ¨·Î ³Î¸® »ç¿ëµÇ°í ÀÖ´Ù. µ¿ÀÏÇÑ µ¿Åº¼º°è¼ö ½ÃÇèÀÚ·á¿¡ ´ëÇÏ¿© ½Ã±×¸ðÀÌ´Þ ÇÔ¼ö¿Í ¼öÁ¤ Rambeyg-osgood ¸ðµ¨ ¸ðµÎ¸¦ »ç¿ëÇÏ¿© ¸Þ½ºÅÍ °î¼±À» ȹµæÇÏ¿´À¸¸ç, µÎ ÇÇÆÃ¸ðµ¨ ¸ðµÎ Àû¿ë¼ºÀÌ ¿ì¼öÇÔÀ» È®ÀÎÇÏ¿´´Ù. ½Ã±×¸ðÀÌ´Þ ÇÔ¼öÀÇ °è¼öµéÀº ¼­·Î ¿¬°üµÇ¾î À־ ¸Þ½ºÅÍ °î¼±ÀÇ Àý´ë°ª°ú Çü»ó Ư¼ºÀ» ¼­·Î ºÐ¸®ÇÏ´Â °ÍÀÌ ºÒ°¡´ÉÇÏ´Ù. ±×·¯³ª Ramberg-Osgood ¸ðµ¨ÀÇ °è¼ö´Â ¹°¸®Àû Àǹ̰¡ ¸íÈ®ÇÒ »Ó ¾Æ´Ï¶ó ¼­·Î ºÐ¸®µÇ¾î À־ ¸Þ½ºÅÍ °î¼±¿¡ ´ëÇÑ ¿µÇâ¿ä¼Ò¸¦ ¼­·Î ºÐ¸®ÇÏ¿© Æò°¡ÇÒ ¼ö ÀÖÀ½À» È®ÀÎÇÏ¿´´Ù.
The dynamic moduli of asphalt concrete are very important for the analysis and the design of asphalt pavement systems. The dynamic modulus master curve is usually represented by a sigmoidal function. The Ramberg-Osgood model was widely used for fitting of normalized modulus reduction curves with strain of soils in soil dynamic fields. The master curves were obtained by both sigmoidal functions and modified Ramberg-Osgood model for the same dynamic modulus data set, the fitting abilities of both methods were excellent. The coefficients in sigmoidal function are coupled. Therefore, it is not possible to separate the characteristics of the master curve with absolute value and shape. However, the each fitting coefficient in the Ramberg-Osgood model has a unique effect on the master curve, and the coefficients are not coupled with each other.
 
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¾Æ½ºÆÈÆ® ÄÜÅ©¸®Æ®;¸Þ½ºÅÍ °î¼±;°î¼±ÀûÇÕ;½Ã±×¸ðÀÌ´Þ ÇÔ¼ö;Ramberg-Osgood ¸ðµ¨;asphalt concrete;master curve;curve futting;sigmoidal function;Ramberg-Osgood model;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.10, no.4, 2008³â, pp.31-40
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200806135607913)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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