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Çѱ¹µµ·ÎÇÐȸ / v.11, no.4, 2009³â, pp.25-31
°³ÁúÀç ÷°¡¿¡ µû¸¥ SMA È¥ÇÕ¹°ÀÇ ¼Ò¼ºº¯Çü ¹× º¯Çü°­µµ Ư¼º ¿¬±¸
( Evaluation of Rutting and Deformation Strength Properties of Polymer Modified SMA Mixtures )
±èÇöȯ;ÃÖ¿µ·Ä;±è±¤¿ì;µµ¿µ¼ö; °­¿ø´ëÇб³ ´ëÇпø;°­¿ø´ëÇб³ ´ëÇпø;°­¿ø´ëÇб³ Áö¿ª°Ç¼³°øÇаú;°­¿ø´ëÇб³ ¼®Àç°Ç¼³½Å¼ÒÀ翬±¸¼¾ÅÍ;
 
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SMA È¥ÇÕ¹°Àº ¼Ò¼ºº¯Çü ÀúÇ×¼ºÀÌ ¸Å¿ì Å« È¥ÇÕ¹°·Î ¾Ë·ÁÁ®ÀÖ´Ù. ÇÏÁö¸¸ ½Ç³» ½ÃÇè¿¡¼­´Â À̸¦ ÃøÁ¤ÇÒ ¼ö ÀÖ´Â ½ÃÇè¹ýÀÌ ¾ÆÁ÷ ¹ÌÈíÇÑ ½ÇÁ¤ÀÌ´Ù. µû¶ó¼­ º» ¿¬±¸ÀÇ ¸ñÀûÀº ¼Ò¼ºº¯Çü¿¡ ´ëÇÏ¿© ³ôÀº ÀúÇ×¼ºÀ» °¡Áö´Â SMA È¥ÇÕ¹°ÀÇ º¯Çü°­µµÄ¡¿Í ¹Ýº¹ÁÖÇà½ÃÇè°úÀÇ »ó°ü¼º ºÐ¼®À» ÅëÇÏ¿© SMA¿¡ º¯Çü°­µµÀÇ Àû¿ë¼ºÀ» °íÂûÇÏ´Â °ÍÀÌ´Ù. À̸¦ À§ÇØ SMA È¥ÇÕ¹°ÀÇ ¹èÇÕ¼³°è¸¦ °ÅÃÄ ÃÖÀû ¾Æ½ºÆÈÆ®ÇÔ·®ÀÇ È¥ÇÕ¹°¿¡ ´ëÇÏ¿© º¯Çü°­µµ ½ÃÇè°ú ¹Ýº¹ÁÖÇà ½ÃÇèÀ» ¼öÇàÇÏ¿´´Ù. ¿¬±¸°á°ú, º¯Çü°­µµ´Â SMA È¥ÇÕ¹°ÀÇ ¼Ò¼ºº¯Çü Ư¼ºÀ» º¸À̱⿡´Â ¸Å¿ì ³·Àº ¼öÁØÀ» ³ªÅ¸³Â´Ù. µû¶ó¼­ ±èÅ×½ºÆ®¿¡ ÀÇÇÑ º¯Çü°­µµ´Â °£Á¢ÀÎÀå°­µµ³ª ¸¶¼£ ¾ÈÁ¤µµ¿Í ¸¶Âù°¡Áö·Î SMA È¥ÇÕ¹°ÀÇ ¼Ò¼ºº¯Çü ÀúÇ×¼ºÀ» Á¦´ë·Î ¹Ý¿µµÇÁö ¸øÇÏ´Â °ÍÀ» È®ÀÎÇÏ¿´´Ù. ¶ÇÇÑ ¹Ýº¹ÁÖÇà½ÃÇèÀÇ °á°úÀÎ µ¿Àû¾ÈÁ¤µµ³ª ÃÖÁ¾Ä§ÇϱíÀ̵µ ¿ª½Ã SMA È¥ÇÕ¹°ÀÇ ¼Ò¼ºº¯Çü ÀúÇ×¼ºÀ» Æò°¡Çϴµ¥ ¹®Á¦°¡ ÀÖ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
In general, it is well known fact that the stone mastic asphalt (SMA) pavement has a high resistance against rutting. However, performance of SMA is not well measured by general method used in the laboratory. The objective of this study is to investigate an applicability of deformation strength ($S_D$) for performance estimation of SMA, and to find out the correlation between rut depth and dynamic stability, and $S_D$ of SMA. This study carried out wheel tracking test and Kim-test with optimum asphalt content (OAC) determined by mix design. The results indicated that the $S_D$ of SMA was very poorer than those of dense-graded asphalt mixtures. $S_D$ showed similar WT dynamic stability and rut-depth level. It was found that Kim-test was not reflected higher rutting resistance of SMA like as indirect tensile strength (ITS) test and Marshall stability test. Also, it was revealed that dynamic stability and rut-depth of WT had some problems to estimate rutting resistance of SMA mixtures.
 
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º¯Çü°­µµ;±èÅ×½ºÆ®;¹Ýº¹ÁÖÇà½ÃÇè;¼Ò¼ºº¯Çü;ÃÖÁ¾Ä§ÇϱíÀÌ;µ¿Àû¾ÈÁ¤µµ;stone mastic asphalt;deformation strength;Kim-test;wheel tracking test;rutt depth;dynamic stability;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.11, no.4, 2009³â, pp.25-31
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200909659864459)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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