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Çѱ¹µµ·ÎÇÐȸ / v.9, no.3, 2007³â, pp.123-134
LMS(%)¿Í $S_D$¿¡ ÀÇÇÑ ³ëÈ­ ¾Æ½ºÆÈÆ® È¥ÇÕ¹°ÀÇ ¼Ò¼º¹øÇü ÃßÁ¤
( Estimation of Rutting Property of Artificially-Aged Asphalt Mixtures Based on LMS(%) and $S_D$ )
Á¤ÀçÇå;¹ÚÅ¿ø;µµ¿µ¼ö;±è±¤¿ì; °­¿ø´ëÇб³ Áö¿ª±â¹Ý°øÇаú;°­¿ø´ëÇб³ Áö¿ª±â¹Ý°øÇаú;°­¿ø´ëÇб³ ¼®À纹ÇսżÒÀ翬±¸¼¾ÅÍ;°­¿ø´ëÇб³ Áö¿ª±â¹Ý°øÇаú;
 
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º» ¿¬±¸´Â $154^{circ}C$·Î 2½Ã°£ÀÇ ´Ü±â³ëÈ­¸¦ °ÅÄ£ È¥ÇÕ¹°·Î Á¦ÀÛÇÑ °ø½Ãü¸¦ $110^{circ}C$¿¡¼­ 24, 48, 72, 96½Ã°£ µ¿¾È Àå±â³ëÈ­¸¦ ½ÃÄÑ ¾Æ½ºÆÈÆ® È¥ÇÕ¹°ÀÇ ³ëÈ­¿Í ¼Ò¼ºº¯Çü ÀúÇ×¼ºÀ» Æò°¡ÇÏ¿´´Ù. È¥ÇÕ¹°ÀÇ ³ëÈ­ ½Ã°£ÀÌ Áõ°¡ÇÔ¿¡ µû¶ó °­¼ºÀÇ Áõ°¡·Î ÀÎÇÑ ¼Ò¼ºº¯Çü ÀúÇ×¼ºÀÌ Áõ°¡ÇÒ °ÍÀ» °í·ÁÇÏ¿© º¯Çü°­µµ¸¦ ÀÌ¿ëÇØ ´Ü±â³ëÈ­¿Í Àå±â³ëÈ­¸¦ °ÅÄ£ °ø½Ãü¿¡ ´ëÇØ ¼Ò¼ºº¯ÇüƯ¼ºÀ» ÃøÁ¤ÇÏ¿´´Ù. ¶ÇÇÑ ³ëÈ­ ½Ã°£ÀÇ Áõ°¡¿¡ µû¸¥ ¹ÙÀδõÀÇ ³ëÈ­ Á¤µµ¸¦ ÃøÁ¤Çϱâ À§ÇÏ¿© GPC (Gel-permeation chromatograph) ºÐ¼®À» ÅëÇÏ¿© ´ëÇüºÐÀÚºñÀ²(LMS(%))À» ÃøÁ¤ÇÏ¿´´Ù. ³ëÈ­ ½Ã°£ÀÌ ±æ¾îÁü¿¡ µû¶ó LMS(%)°¡ Áõ°¡Çϰí È¥ÇÕ¹°ÀÇ º¯Çü°­µµ °ªÀÌ Ä¿Áö´Â °ÍÀ» È®ÀÎÇÏ¿´´Ù. ¶ÇÇÑ »ó°ü¼º ºÐ¼®À¸·ÎºÎÅÍ LMS(%)¿Í º¯Çü°­µµ°¡ »ó°ü¼ºÀÌ ³ôÀº °ÍÀ¸·Î ³ªÅ¸³ª À̸¦ ÅëÇØ È¥ÇÕ¹°ÀÌ ³ëÈ­µÇ¸é ¼Ò¼ºº¯Çü ÀúÇ×¼ºÀÌ Áõ°¡µÊÀ» È®ÀÎÇÏ¿´´Ù. µû¶ó¼­ LMS(%)ÀÇ ÃøÁ¤À¸·Î ¾Æ½ºÆÈÆ® È¥ÇÕ¹°ÀÇ ¹ÙÀδõ ÃßÃâ ¾øÀ̵µ ¼Ò¼ºº¯ÇüƯ¼ºÀ» ÃßÁ¤ °¡´ÉÇÔÀ» È®ÀÎÇÏ¿´´Ù.
This study was carried out for evaluating correlation of aging level and deformation resistance of asphalt mixtures conditioned by artificial aging treatment. The specimens were made of the short-term aged loose asphalt mixture which was kept in a convection oven at $154^{circ}C$ for 2 hours, and then were artificially aged at $110^{circ}C$ for 24, 48, 72 and 96 hours for long-term aging. Deformation strength ($S_D$) and large molecular size ratio (LMS(%)) were measured after short-term and each long-term aging treatment to evaluate aging extents of each mixture with aging time using GPC(Gel-permeation chromatograph) test. It is shown that the $S_D$ and LMS(%) were increased with aging time increment, and that LMS(%) quantity and $S_D$ have relatively good correlation each other. This study found that the aged asphalt mixture had better resistance against rutting and it was possible to estimate rutting characteristics of asphalt mixtures by using LMS(%) without a binder recovery.
 
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¾Æ½ºÆÈÆ® ³ëÈ­;´ëÇüºÐÀÚ;º¯Çü°­µµ;´Ü±â³ëÈ­;Àå±â³ëÈ­;GPC;Kim test;LMS;long-tern aging;short-term aging;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.9, no.3, 2007³â, pp.123-134
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200735836675806)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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