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Çѱ¹µµ·ÎÇÐȸ / v.11, no.4, 2009³â, pp.127-132
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( Compactability of various asphalt mixtures using warm mix additive )
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º» ³í¹®Àº Áذí¿Â ÷°¡Á¦°¡ È¥ÀÔµÈ 3 Á¾·ù(ÀϹݾƽºÆÈÆ®, SBS ¹× SMA)ÀÇ ¾Æ½ºÆÈÆ® È¥ÇÕ¹° ´ÙÁüµµ º¯È­¿¡ ´ëÇÑ ½ÃÇè °á°úÀÌ´Ù. ´ÙÁü Ư¼ºÀ» Á¶»ç ºÐ¼®Çϱâ À§ÇÏ¿© ´ÙÁü ½Ã°£ º¯È­¿Í Áذí¿Â ÷°¡Á¦ ÇÔ·® º¯È­¿¡ ÀÇÇÑ ´ÙÁüµµ ÃøÁ¤À» ½Ç½ÃÇÏ¿´À¸¸ç, ´ÙÁü ¿Âµµ¸¦ ÀϹݽ÷ῡ ºñÇÏ¿© $30^{circ}C$ ¹× $50^{circ}C$¸¦ ³·Ãß¾î ¹Ðµµ¸¦ ºñ±³ÇÏ¿´´Ù. ¼±È¸ ´ÙÁü Àåºñ¸¦ »ç¿ëÇÏ¿© ´ÙÁü Ƚ¼ö º¯È­¿¡ µû¸¥ ´ÙÁü¹ÐµµÀÇ º¯È­¸¦ ÃøÁ¤ÇÏ¿´´Ù. ´ÙÁü½Ã°£ °æ°ú¿Í ´ÙÁüµµÀÇ °ü°è´Â 3 Á¾·ùÀÇ Áذí¿Â ÷°¡Á¦¸¦ ÀÏ¹Ý ¾Æ½ºÆÈÆ®¿¡ ÷°¡ÇÏ¿© ´ÙÁü½Ã°£ º¯È­¿Í ÷°¡Á¦ ÇÔ·® º¯È­¿¡ µû¸¥ ´ÙÁüµµ¸¦ ÃøÁ¤ÇÏ¿´´Ù. ¿Âµµ Àú°¨¿¡ µû¸¥ ´ÙÁüµµ ºñ±³´Â ÀÏ¹Ý ¾Æ½ºÆÈÆ® È¥ÇÕ¹°, °íºÐÀÚ °³Áú ¾Æ½ºÆÈÆ® ¹× SMA È¥ÇÕ¹° 3 Á¾·ùÀÇ È¥ÇÕ¹°À» »ç¿ëÇÏ¿© ½ÃÇèÀ» ½Ç½ÃÇÏ¿´´Ù. Áذí¿Â ¾Æ½ºÆÈÆ® È¥ÇÕ¹°Àº ´ÙÁü¿Âµµ Àú°¨À¸·Î ÀÎÇÏ¿© ÀÏ¹Ý½Ã·á ¾Æ½ºÆÈÆ® È¥ÇÕ¹°°ú ¹ÐµµÀÇ Â÷À̰¡ ¹ß»ýÇÏÁö ¾Ê¾Æ¼­ ´ÙÁüµµ°¡ ¾ÈÁ¤µÈ »óŸ¦ ³ªÅ¸³Â´Ù. ÇÑÆí, È¥ÇÕ¹°ÀÇ Á¾·ù ¹× Áذí¿Â ÷°¡Á¦ÀÇ Á¾·ù¿¡ µû¶ó ¹ÐµµÀÇ Â÷ÀÌ, ´ÙÁüµµ º¯È­ÀÇ ÃßÀÌ º¯È­°¡ ¹ß°ßµÇ¾î ÀÌµé µÎ ÀÎÀÚ »çÀÌ¿¡ »ó°ü°ü°è°¡ ÀÖ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
This study presents the test results on the compaction characteristics of warm mix asphalt mixtures that include the additive in 3 different mixtures(hot mix asphalt, SBS and SMA). The tests were conducted to find out the compaction characteristics on the compactability with varying compaction time, different amount of the warm mix additive and lowering the compaction temperature. The Superpave gyratory compactor was used to find out the variation of the density when the number of the gyration is varied. A dense mixture and 3 different warm mix additives were employed to find the relationship between compactability and compaction time. The comparison of the compactability with lowering the temperature was conducted using dense mixture, SBS polymer modified mixture and stone matrix asphalt mixture(SMA). The difference of the density of warm mix asphalt mixtures was not found due to the lowering of compaction temperature when it was compared with the standard mixture and the warm mix showed the stable condition in density. In the mean time, depending upon the different warm mix additive and mixture, the difference of density and the variation trend of compaction is found to be existed and shows the relationship between these two variables.
 
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Áذí¿Â ÷°¡Á¦;´ÙÁüµµ;´ÙÁü¹Ðµµ;¾Æ½ºÆÈÆ® È¥ÇÕ¹°;warm mix additive;compactability;compaction density;Asphalt mixture;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.11, no.4, 2009³â, pp.127-132
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200909659864477)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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