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Çѱ¹µµ·ÎÇÐȸ / v.2, no.1, 2000³â, pp.123-133
CRM¾Æ½ºÆÈÆ®ÀÇ ¹ÙÀδõƯ¼º ºÐ¼®
( Mechanical characteristics of CRM asphalt )
À̰æÇÏ; Çѱ¹µµ·Î°ø»ç µµ·Î¿¬±¸¼Ò ¾Æ½ºÆÈÆ® Æ÷À忬±¸½Ç;
 
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ÆóŸÀ̾ ºÐ¼âÇÑ °í¹«ºÐ¸»·Î½á ½À½Ä¹æ¹ý¿¡ ÀÇÇØ Á¦Á¶µÈ CRM¾Æ½ºÆÈÆ® È¥ÇÕ¹°Àº ÀÏ¹Ý ¾Æ½ºÆÈÆ® È¥ÇÕ¹°¿¡ ºñÇØ ¿Âµµ±Õ¿­. ÇǷαտ­ ¹× ¼Ò¼ºº¯Çü¿¡ ´ëÇÑ ÀúÇ×¼ºÀÌ ÁõÁøµÇ´Â °ÍÀ¸·Î ¾Ë·ÁÁ® ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â ±¹³»¿¡¼­ »ý¼ºµÈ ÆóŸÀÌ¾î °í¹«ºÐ¸»°ú ¾Æ½ºÆÈÆ®(AP-3, AP-5)¸¦ »ç¿ëÇÏ¿© Á¦Á¶µÈ CRM ¾Æ½ºÆÈÆ® ¹ÙÀδõÀÇ ¹°¸®Àû Ư¼º ¹× CRM¾Æ½ºÆÈÆ® È¥ÇÕ¹°ÀÇ ¿ªÇÐÀû Ư¼ºÀ» ºñ±³ÇÏ¿´´Ù. ½ÃÇè°á°ú, CRM ¾Æ½ºÆÈÆ® ¹ÙÀδõ´Â ÀÏ¹Ý ¾Æ½ºÆÈÆ®º¸´Ù ¹°¸®Àû Ư¼ºÀÌ ÁõÁøµÇ¾ú´Ù. DSRÀ» »ç¿ëÇÑ ¾Æ½ºÆÈÆ® ¹ÙÀδõÀÇ °í¿Â Ư¼º½ÃÇè°á°ú, CRM¾Æ½ºÆÈÆ®´Â °í¿Â¿¡¼­ ³»À¯µ¿¼ºÀÌ Áõ°¡µÇ´Â °ÍÀ¸·Î ±â´ëµÇ¸ç ³ëÈ­°¡ °¨¼ÒµÇ´Â °ÍÀ¸·Î ³ªÅ¸³µ°í, Àú¿Â ¿ªÇÐÀû Ư¼º½ÃÇè°á°ú¿¡¼­´Â CRM¾Æ½ºÆÈÆ®´Â Àú¿Â±Õ¿­¿¡ ´ëÇÑ ÀúÇ×¼ºÀÌ Áõ°¡µÉ °ÍÀ¸·Î ±â´ëµÈ´Ù.
The asphalt mixture with CRM(Crumb Rubber Modifier) is known to show a better performance in resisting thermal cracking, fatigue cracking, and rutting compared with the conventional mixture. In this research, the lab tests on the physical and the mechanical characteristics of the domestic crumb rubber modified asphalt binder and conventional asphalts (AP-3, AP-5) were conducted. The physical test results show that CRM asphalt has better physical characteristics than that of conventional asphalts. The dynamic shear rheometer test results in high temperature show that CRM asphalt has higher complex shear modulus and aging resistance than those of conventional asphalts. And, the bending beam rheometer in low temperature test results show that CRM asphalt has higher resistance to thermal cracking than that of conventional asphalts.
 
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ÆóŸÀÌ¾î °í¹«ºÐ¸»;¾Æ½ºÆÈÆ®;crumb rubber;BBR;DSR;asphalt;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.2, no.1, 2000³â, pp.123-133
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200015637533263)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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