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Çѱ¹µµ·ÎÇÐȸ / v.9, no.4, 2007³â, pp.149-158
CRM °³Áú¾Æ½ºÆÈÆ® È¥ÇÕ¹°ÀÇ ¼Ò¼ºº¯Çü ¹× ¹Ú¸®ÀúÇ× Æ¯¼º
( Evaluation of Stripping and Rutting Properties of CRM Modified Asphalt Mixtures )
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º» ¿¬±¸´Â »ê¾÷ºÎ»ê¹°ÀÎ ÆóŸÀ̾îÀÎ #30 ü¸¦ °ÅÀÇ ´Ù Åë°úÇÑ CRM ÀÔÀÚ¸¦ ¾Æ½ºÆÈÆ® ÄÜÅ©¸®Æ® È¥ÇÕ¹°ÀÇ °³ÁúÀç·Î¼­ 8%, 10%, 12%¸¦ °¢°¢ ½À½Ä ¹× °Ç½Ä¹æ¹ýÀÇ CRM °³Áú¾Æ½ºÆÈÆ® È¥ÇÕ¹°¿¡ ´ëÇÏ¿© µ¿°áÀ¶ÇØ¿¡ ÀÇÇÑ ¼öºÐÃë¾à¼º ½ÃÇèÀ» ÅëÇÏ¿© µ¿°áÀ¶ÇØÀúÇ×¼ºÀ» Æò°¡ÇÏ¿´´Ù. °Ç½Ä ¹× ½À½Ä¹æ¹ý¿¡ ÀÇÇÑ CRM °³Áú¾Æ½ºÆÈÆ® È¥ÇÕ¹°ÀÇ ¹èÇÕ¼³°è¸¦ ÅëÇÏ¿© ÃÖÀû¾Æ½ºÆÈÆ® ÇÔ·®À» °áÁ¤ÇÏ¿´°í. OAC·Î Á¦Á¶ÇÑ CRM °³Áú È¥ÇÕ¹°Àº ¹Ýº¹ÁÖÇà½ÃÇè°ú ¼öºÐÃë¾à¼º½ÃÇèÀ» ¼öÇàÇÏ¿´´Ù. ±× °á°ú, CRM °³Áú¾Æ½ºÆÈÆ® È¥ÇÕ¹°ÀÇ ¼Ò¼ºº¯Çü ÀúÇ×¼ºÀº ÀÏ¹Ý AP-5 È¥ÇÕ¹°º¸´Ù ¿ì¼öÇÏ°Ô ³ªÅ¸³µ´Ù. ±×·¯³ª ¼öºÐÃë¾à¼º½ÃÇè¿¡ ÀÇÇÑ µ¿°áÀ¶ÇØ ÀúÇ×¼ºÀÌ »ó´çÈ÷ ³·°Ô ³ªÅ¸³ª µ¿°áÀ¶ÇØ¿¡ ÀÇÇÑ ¼öºÐÃë¾à¼º¿¡ ¾ÆÁÖ ¹Î°¨ÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¹Ý¸é¿¡, CRM °³Áú¾Æ½ºÆÈÆ® È¥ÇÕ¹°¿¡ ¹Ú¸®Àú°¨Á¦ÀÇ Ã·°¡´Â µ¿°áÀ¶ÇØ¿¡ ÀÇÇÑ ¼öºÐÃë¾à¼º¿¡ ´ëÇÑ ÀúÇ×¼ºÀ» »ó´çÈ÷ Çâ»ó½ÃŰ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. µû¶ó¼­ ±¹³»¿¡¼­ CRM °³Áú¾Æ½ºÆÈÆ® È¥ÇÕ¹°À» »ç¿ëÇÒ ¶§¿¡´Â ¹Ýµå½Ã ¼öºÐÃë¾à¼º¿¡ ´ëÇÑ µ¿°áÀ¶ÇØÀúÇ×¼º¿¡ ´ëÇÑ ¿¹¹æÃ¥ÀÌ Á¦½ÃµÈ È¥ÇÕ¹°À» »ç¿ëµÉ °ÍÀÌ ±ÇÀåµÈ´Ù.
Evaluation of the asphalt mixture modified with crumb rubber modifier(CRM) was performed to estimate possibility of using it as a paying material. OACs(optimum asphalt content) of CRM modified asphalt mixtures by dry process and wet process were determined by Marshall mix design and Wheel tracking test and moisture susceptibility test by freezing and thawing were carried out with CRM modified asphalt mixtures at OACs. The results from these tests, resistance of permanent deformation of CRM modified asphalt mixtures were superior to one of AP-5 while showing very low resistance of moisture sensitivity by freezing and thawing. This means that CRM modified asphalt mixtures are very sensitive to freezing and thawing. However, CRM modified asphalt mixture with anti-stripping material showed high improvement to resistance of moisture susceptibility by freezing and thawing. Therefore, it is recommended that when CRM mixtures were used in domestic, CRM modified asphalt mixtures should be with prevention against freezing and thawing resistance by moisture susceptibility.
 
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Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.9, no.4, 2007³â, pp.149-158
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200706414148232)
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