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Çѱ¹µµ·ÎÇÐȸ / v.7, no.1, 2005³â, pp.1-9
°¡¿­ Àç»ýÈ¥ÇÕ¹°ÀÇ ³ëȭƯ¼º °³¼±À» À§ÇÑ ¿¬±¸
( Methodology for Modifying Aging Condition of Hot-mix Recycled Asphalt Mixture )
±è±¤¿ì;È«»ó±â;À̱âÈ£;µµ¿µ¼ö; °­¿ø´ëÇб³ Áö¿ª±â¹Ý°øÇаú;°­¿øµµ ¾ç±¸±ºÃ»;°­¿ø´ëÇб³ ´ëÇпø;°­¿ø´ëÇб³ ¼®À纹ÇսżÒÀ翬±¸¼¾ÅÍ;
 
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º» ¿¬±¸´Â Àç»ý ¾Æ½ºÆÈÆ® È¥ÇÕ¹°ÀÇ Ãë ¾à Æ¯¼ºÀ» ÆÄ¾ÇÇϰí À̸¦ º¸¿ÏÇϱâ À§ÇÑ ±âÃÊ¿¬±¸ÀÌ´Ù. º» ¿¬±¸ÀÇ ¸ñÀûÀº Àç»ýÈ¥ÇÕ¹° ³»ÀÇ ½Å ±¸ Àç·á¿¡ ¹¯¾î ÀÖ´Â ¹ÙÀδõÀÇ ³ëÈ­»óŸ¦ ±ÕµîÇÏ°Ô ÇÒ ¼ö ÀÖ´Â ¿©·¯ °¡Áö È¥ÇÕ¹æ¹ýÀ» Á¦¾ÈÇÏ°í ¹ÙÀδõÀÇ ³ëȭƯ¼ºÀ» °³¼±Çϱâ À§ÇÑ ¹æ¾ÈÀ» Á¦½ÃÇÏ´Â °ÍÀÌ´Ù. Àç»ýÈ¥ÇÕ¹°ÀÇ ±½Àº°ñÀç ¹× ¸ÅÆ®¸¯½ºÀÇ ¹ÙÀδõ ³ëȭƯ¼º ºÐ¼®Àº Gel-permeation chromatography(GPC)¸¦ ÅëÇØ ¼öÇàµÇ¾ú´Ù. Àç»ýÈ¥ÇÕ¹° ³» ¹ÙÀδõÀÇ ³ëÈ­»óÅ ºÐ¼®À» À§ÇÑ È¥ÇÕ¹° Á¦Á¶¿¡´Â ¿øÇü°ñÀç(13mm °­ÀÚ°¥)°¡ ±½Àº°ñÀç·Î »ç¿ëµÇ¾î RAP ±½Àº°ñÀç¿ÍÀÇ ±¸ºÐÀÌ ¿ëÀÌÅä·Ï ÇÏ¿´´Ù. GPC¸¦ ÅëÇÑ Àç»ýÈ¥ÇÕ¹° ³» ¹ÙÀδõÀÇ ³ëÈ­»óŸ¦ ºÐ¼®ÇÑ °á°ú ½Å ±¸ ¹ÙÀδõÀÇ ³ëÈ­ Á¤µµ¿¡ Â÷À̰¡ ÀÖÀ½À» È®ÀÎÇÏ¿´´Ù. µû¶ó¼­ À̸¦ °³¼±Çϱâ À§ÇØ º» ¿¬±¸¿¡¼­´Â 5°¡Áö È¥ÇÕ¹æ¹ý(AE)À» °ËÅäÇÏ¿´À¸¸ç D¹æ¹ý(RAP°ú ½Å±Ô¹ÙÀδõ¸¦ ¼± ºñºö ÈÄ ½Å±Ô°ñÀç ÅõÀÔ)¿¡ ÀÇÇÑ È¥ÇÕ¹æ¹ýÀÇ °³¼±À¸·Î Àç»ýÈ¥ÇÕ¹° ³»ÀÇ ³ëÈ­ Á¤µµÀÇ Â÷À̰¡ Å©°Ô ÀÛ¾ÆÁö´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
This is a basic research for producing hot-mix recycled asphalt mixtures and suggesting methods for solving quality problems, if any. Various mixing methods are introduced to mate aging evenly between old and virgin aggregates and to improve aging conditions. Gel-permeation chromatography(GPC) analysis was performed to evaluate aging of binders coated on coarse aggregates and a matrix separately. Round-shaped aggregates(13m gravel) were used in manufacturing mixtures for analysis of aging levels in recycled mixtures. It was found out that there was significant difference in aging levels between the binder coated on RAP's coarse aggregates and on virgin aggregates in a recycled mixture. The difference in the aging level was reduced by modifying mixing method(RAP and virgin binders were mixed first and then virgin aggregates were introduced). Among A to E mixing methods studied, the D was turned out to be the best.
 
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°¡¿­ ÀçȰ¿ë ¾Æ½ºÆÈÆ® È¥ÇÕ¹°;³ëÈ­»óÅÂ;¿øÇü°ñÀç;RAP ±½Àº°ñÀç;hot-recycled asphalt mixture;aging state;GPC;Round-shape aggregate;RAP's coarse aggregate;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.7, no.1, 2005³â, pp.1-9
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200515637508808)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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