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Çѱ¹µµ·ÎÇÐȸ / v.10, no.3, 2008³â, pp.239-246
ÆóŸÀÌ¾î °í¹«ºÐ¸» °³Áú ¾Æ½ºÆÈÆ®ÀÇ ¹°¸®Àû Ư¼º¿¡ ´ëÇÑ °øÁ¤Á¶°ÇÀÇ ¿µÇâ
( Influence of Processing Conditions on the Physical Properties of Crumb Rubber Modified Asphalts )
¿À±¤Áß;±èÁ¾¼®; ÀüºÏ´ëÇб³ »ý¸®È°¼º¹°Áú¿¬±¸¼Ò;ÀüºÏ´ëÇб³ È­ÇаøÇкÎ;
 
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º» ¿¬±¸´Â ÆóŸÀÌ¾î °í¹«ºÐ¸» °³Áú ¾Æ½ºÆÈÆ®(crumb rubber modified asphalt, CRMA) °øÁ¤Á¶°Ç¿¡¼­ ¹ÝÀÀ¿Âµµ, È¥ÇÕ¹ÝÀÀ½Ã°£ ¹× À¯¿¬¼º °³ÁúÁ¦ÀÇ ¿µÇâÀ» Á¶»çÇÏ¿´´Ù. Àú¿Â¿¡¼­ ¾Æ½ºÆÈÆ®¹ÙÀδõ¿Í °³Áú ¾Æ½ºÆÈÆ®ÀÇ ¿Âµµ ¹Î°¨¼º°ú Á¢ÂøÆ¯¼ºÀº ħÀÔµµ¿Í ÀÎÀåÁ¢Âø°­µµ¸¦ ÅëÇÏ¿© ÃøÁ¤ÇÏ¿´´Ù. À¯¿¬Á¦¿Í °øÁ¤¿Âµµ°¡ ÀÎÀåÁ¢Âø°­µµ¿Í °­ÀÎÈ­ ¿¡³ÊÁöÀÇ Áß¿äÇÑ ¿ä¼ÒÀÓÀ» È®ÀÎÇÏ¿´´Ù. ´õ ³ôÀº È¥Çտµµ¿Í ¿¬¼º °³ÁúÁ¦¿¡¼­ CRMAÀÇ ÀÎÀåÁ¢Âø¹°¼ºÀÌ Çâ»óµÇ´Â °ÍÀº ¾Æ½ºÆÈÆ®¹ÙÀδõ¿Í °³Áú ¾Æ½ºÆÈÆ®ÀÇ ¿¬¼º±¸Á¶¿¡ ±âÀÎÇÑ´Ù. CRMAÀÇ ¹°¸®Àû Ư¼ºÀÇ °³¼±Àº CR°ú ¾Æ½ºÆÈÆ®¹ÙÀδõ°£ÀÇ »ó¿ë¼º¿¡ ÀÖ´Ù. À¯¿¬Á¦°¡ CR°ú ¾Æ½ºÆÈÆ®¹ÙÀδõ ¾È¿¡ ħÅõµÇ¾î, À¯¿¬Á¦¿¡ ÀÇÇØ °³ÁúµÈ CRMA´Â CRMAº¸´Ù Á¢ÂøÆ¯¼ºÀÌ Áõ°¡ÇÏ¿´À½À» È®ÀÎÇÏ¿´´Ù.
In this study, the influence of reaction temperatures, mixing time and flexible modifier for crumb rubber modified asphalt(CRMA) as processing conditions were investigated. The temperature susceptibility and adhesion properties of neat and modified asphalts at low temperature measured using the penetration and tensile adhesion test. It was found that processing temperatures and flexible modifier were important factors for tensile adhesion strength and toughness energy at low temperature. The CRMA in the higher processing temperature and flexible modifier exhibited improved tensile adhesion properties which indicated the flexible structure of neat and modified asphalt binder. In general, the improvements of the physical properties in the CRMAs were due to the improvements of miscibility between CR and asphalt binder. It was found that the adhesion properties of the flexible agent modified CRMA were higher than CRMA were related to the flexible agent tend to penetrate into CR particles and asphalt binder.
 
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¾Æ½ºÆÈÆ®;ÆóŸÀÌ¾î °í¹«ºÐ¸»;À¯¿¬¼º °³ÁúÁ¦;°øÁ¤¿Âµµ;Àú¿ÂÁ¢Âø;asphalt;crumb rubber;flexible modifier;processing temperature;low temperature adhesion;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.10, no.3, 2008³â, pp.239-246
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200807653006004)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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