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Çѱ¹µµ·ÎÇÐȸ / v.9, no.4, 2007³â, pp.45-54
¾Æ½ºÆÈÆ® È¥ÇÕ¹°ÀÇ Àΰø³ëÈ­ ¹æ¾È ¿¬±¸
( Study of Artificial Aging Procedure for Asphalt Mixtures )
Á¤ÀçÇå;Á¶º´Áø;¹Ú³²¿ø;±è±¤¿ì; °­¿ø´ëÇб³ Áö¿ª±â¹Ý°øÇаú ´ëÇпø;°­¿ø´ëÇб³ Áö¿ª±â¹Ý°øÇаú ´ëÇпø;°­¿ø´ëÇб³ Áö¿ª±â¹Ý°øÇаú ´ëÇпø;°­¿ø´ëÇб³ Áö¿ª±â¹Ý°øÇаú;
 
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º» ¿¬±¸´Â ±¹³» ÇöÀå½ÇÁ¤¿¡ ÀûÀýÇÑ ¾Æ½ºÆÈÆ® È¥ÇÕ¹°ÀÇ ½Ç³»³ëÈ­¹æ¹ýÀ» °³¹ßÇϱâ À§ÇÑ ¿¬±¸ÀÌ´Ù. °­Á¦°ø±â¼øÈ¯½Ä ¿Àºì¿¡¼­ $154^{circ}C$ 2½Ã°£ÀÇ ´Ü±â³ëÈ­¸¦ °ÅÄ£ È¥ÇÕ¹°·Î Á¦ÀÛÇÑ °ø½Ãü¸¦ $110^{circ}C$¿¡¼­ 24, 48, 72, 96½Ã°£ µ¿¾È Àå±â³ëÈ­¸¦ ½ÃÄ×´Ù. ¶ÇÇÑ ³ëÈ­½Ã°£ÀÇ Áõ°¡¿¡ µû¶ó ¾Æ½ºÆÈÆ® ¹ÙÀδõÀÇ ³ëÈ­Á¤µµ¸¦ ÃøÁ¤Çϱâ À§ÇÏ¿© GPC ºÐ¼®À» ¼öÇàÇÏ¿´´Ù. º» ¿¬±¸¸¦ ÅëÇØ ³ëÈ­½Ã°£ÀÌ ±æ¾îÁü¿¡ µû¶ó ´ëÇüºÐÀÚ¾çÀÌ Áõ°¡ÇÏ´Â °ÍÀ» È®ÀÎÇÏ¿´°í, ÀÌ¿¡ ´ëÇÑ ºÐ¼®À¸·ÎºÎÅÍ ÀûÀýÇÑ Àΰø³ëÈ­½Ã°£ÀÇ ÃßÁ¤ÀÌ °¡´ÉÇÔÀ» ¾Ë ¼ö ÀÖ¾ú´Ù. º» ¿¬±¸¿¡¼­ ¼öÇàµÈ ´Ü±â³ëÈ­¹æ¹ýÀº ´Ù¼Ò °ú´ÙÇϳª À̸¦ RTFO¿Í À¯»çÇÑ ¼öÁØÀ¸·Î ó¸®ÇÑ´Ù¸é $110^{circ}C$·Î ¾à 48½Ã°£ ÀÌ»ó ³ëÈ­¸¦ ½Ã۸é PAV ó¸®¿Í À¯»çÇÑ ¼öÁØÀÇ È¥ÇÕ¹° ³ëÈ­°¡´É¼ºÀÌ ÀÖÀ½À» È®ÀÎÇÏ¿´´Ù.
This study was carried out for developing artificial short-term aging(SA) and long-term aging(LA) methods of asphalt mixtures in which the aging level is properly matched with those of RTFO and PAV aged binders, respectively. 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 were aged at $110^{circ}C$ for 24, 48, 72 and 96 hours for SA. Large molecular size(LMS) were measured using GPC after SA and LA to evaluate aging extents of each mixture with aging time. It is shown that the LMS was increased with aging time increment and that from the LMS(%) change ratio, it was possible to suggest an appropriate artificial aging time which is corresponding level of aging with RTFO and PAV. It was found that SA was somewhat strong and LA for 48 hours at $110^{circ}C$ would be appropriate if sort-term aging is properly controlled.
 
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¾Æ½ºÆÈÆ®;¹ÙÀδõ;´ëÇüºÐÀÚ;Àΰø³ëÈ­;´Ü±â³ëÈ­;Àå±â³ëÈ­;GPC;LMS;long-term aging;short-term aging;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.9, no.4, 2007³â, pp.45-54
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200706414147794)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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