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Çѱ¹µµ·ÎÇÐȸ / v.7, no.4, 2005³â, pp.91-102
¹ÙÀδõ Stiffness¿Í È¥ÇÕ¹°ÀÇ º¯Çü°­µµ ¹× µ¿ÀûÅ©¸®ÇÁ Ư¼º°úÀÇ »ó°ü¼º ºÐ¼®À» ÅëÇÑ ±èÅ×½ºÆ® Àû¿ë¼º °íÂû
( Correlation Analysis of Binder Stiffness with Deformation Strength and Dynamic Creep Property of Asphalt Mixtures for Evaluation of Kim Test Applicability )
±è±¤¿ì;µµ¿µ¼ö;Á¶¹®Áø; °­¿ø´ëÇб³ Áö¿ª±â¹Ý°øÇаú;°­¿ø´ëÇб³ ¼®À纹ÇսżÒÀ翬±¸¼¾ÅÍ;°­¿ø´ëÇб³ ¼®À纹ÇսżÒÀ翬±¸¼¾ÅÍ;
 
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¾Æ½ºÆÈÆ® ¹ÙÀδõ Stiffness¿Í È¥ÇÕ¹°ÀÇ º¯Çü°­µµ ¹× µ¿ÀûÅ©¸®ÇÁ Ư¼º°úÀÇ »ó°ü¼º ºÐ¼®À» Åä´ë·Î È¥ÇÕ¹°ÀÇ ¼Ò¼ºº¯Çü ÀúÇ×¼º (³»º¯Çü¼º) ÃßÁ¤À» À§ÇÑ Kim testÀÇ Àû¿ë¼ºÀ» °íÂûÇÏ¿´´Ù. º» ¿¬±¸´Â °ñÀç 2Á¾·ù, AC 60-80 ¹× À̸¦ °³ÁúÇÑ ÃÑ 8Á¾·ùÀÇ ¹ÙÀδõ·Î ÃÑ 16°¡Áö È¥ÇÕ¹°À» Á¦Á¶ÇÏ¿´´Ù. DSR·Î °¢ ¹ÙÀδõÀÇ $G^*/sinedelta$¸¦ ÃøÁ¤ÇÏ¿´À¸¸ç Kim testÀÇ º¯Çü°­µµ¿Í µ¿ÀûÅ©¸®ÇÁ ½ÃÇèÀÇ ÃÖÁ¾º¯À§(FD)¿Í µ¿Àû¾ÈÁ¤µµ(DS)¸¦ °¢ È¥ÇÕ¹°·ÎºÎÅÍ ÃøÁ¤ÇÏ¿´´Ù. ¹ÙÀδõÀÇ $G^*/sinedelta$¿Í ¼Ò¼ºº¯Çü °ü·Ã 3°¡Áö Ư¼º($S_D$. FD, DS)°úÀÇ »ó°ü¼º ºÐ¼® °á°ú $G^*/sinedelta$¿Í $S_D$¿Í »ó°ü¼ºÀÌ °¡Àå ³ôÀº °ÍÀ¸·Î ³ªÅ¸³µ´Ù $(R^2=0.88)$ À̴ ȥÇÕ¹°¿¡ ³»ÀçÇØ ÀÖ´Â ³»º¯Çü¼ºÀÇ Â÷À̸¦ Kim test°¡ ´õ Àß ±¸ºÐÇØ ³¾ ¼ö ÀÖÀ½À» ÀǹÌÇÑ´Ù. ¶ÇÇÑ DS¿Í $S_D$ÀÇ È¸±ÍºÐ¼® °á°ú, $R^2$ÀÌ ¾à 0.84 ÀÌ»óÀ» º¸¿© º¯Çü°­µµ´Â µ¿ÀûÅ©¸®ÇÁ ½ÃÇèÀÇ µ¿Àû¾ÈÁ¤µµ¿Í ÁÁÀº »ó°ü¼ºÀ» °¡ÁüÀ» È®ÀÎÇÏ¿´´Ù. µû¶ó¼­ º» ¿¬±¸¸¦ ÅëÇÏ¿© ¾Æ½ºÆÈÆ® È¥ÇÕ¹°ÀÇ ³»º¯Çü¼º Æò°¡½Ã Kim testÀÇ È°¿ë °¡´É¼ºÀÌ ¸Å¿ì ³ôÀ½À» È®ÀÎÇÏ¿´´Ù.
This study dealt with correlation analysis of binder stiffness with deformation strength and dynamic creep property of asphalt mixtures for evaluation of applicability of deformation strength $(S_D)$. Two aggregates, with maximum size of 13mm and eight binders were used to produce 16 different mixtures. The stiffness of binder $(G^*/sindelta)$ was measured using DSR at $64^{circ}C$. Final deformation(FD) and dynamic stability(DS) were measured by dynamic creep (DC) test, and SD was measured by Kim test for each mixture. Results of correlation analysis between $G^*/sindelta$, and $S_D$, m and DS showed that correlation with binder stiffness and deformation strength was the highest $(R^2>0.88)$. There was good correlation between DS, FD with $S_D$. The results indicated that rut-resistance property of mixture is better reflected in $S_D$ test than FD or DS of dynamic creep test. Therefore, it is concluded that $S_D$ can be possibly used for evaluation of rut resistance of asphalt concretes with a good reliability if the procedure is standardized.
 
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º¯Çü°­µµ;µ¿Àû Å©¸®ÇÁ½ÃÇè;±èÅ×½ºÆ®;µ¿ÀûÀü´Ü·¹¿À¹ÌÅÍ;½ºÆ¼ÇÁ´Ï½º;deformation strength;dynamic creep test;Kim test;DSR test;stiffness;correlation;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.7, no.4, 2005³â, pp.91-102
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200515637509478)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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