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Çѱ¹µµ·ÎÇÐȸ / v.12, no.4, 2010³â, pp.111-120
Áذí¿Â Àç»ý ¾Æ½ºÆÈÆ® ÄÜÅ©¸®Æ®ÀÇ ±âº»Æ¯¼º Æò°¡
( Evaluation of Fundamental Properties of Warm-mix Recycled Asphalt Concretes )
±è³²È£;±èÁøÃ¶;È«ÁØÇ¥;±è±¤¿ì; °­¿ø´ëÇб³ ´ëÇпø Áö¿ª°Ç¼³°øÇаú;´Ù»êÀÌ¿£Áö;°­¿ø´ëÇб³ Áö¿ª°Ç¼³°øÇаú;;
 
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º» ¿¬±¸´Â Áذí¿Â °ø¹ýÀ» ÀÌ¿ëÇÑ Àç»ý ¾Æ½ºÆÈÆ® ÄÜÅ©¸®Æ®ÀÇ °­µµÆ¯¼ºÀ» Æò°¡Çϱâ À§ÇØ ÀÌ·ç¾îÁ³´Ù. ±½Àº °ñÀç ÃÖ´ëÄ¡¼ö 13mmÀÇ È­°­¾Ï°ú ħÀÔµµ 60-80ÀÎ ½Å±Ô ¹ÙÀδõ 60-80À» Àç»ý È¥ÇÕ¹°À» Á¦Á¶Çϴµ¥ »ç¿ëÇÏ¿´´Ù. ¹èÇÕ¼³°è´Â RAP(±½Àº ÀÔÀÚ : ÀÜÀÔÀÚ=6 : 4) ÷°¡ºñÀ² 20%¿Í 30%¸¦ »ç¿ëÇÏ¿´°í GPC, ħÀÔµµ, Àý´ëÁ¡µµ, µ¿Á¡µµ¸¦ Áذí¿Â ÷°¡Á¦(Evotherm¿Í Sasobit)ÀÇ Ã·°¡ ÇÔ·®À» °áÁ¤Çϱâ À§ÇÏ¿© ÃøÁ¤ÇÏ¿´´Ù. LD(low-density poly ethylene)¸¦ º» ¿¬±¸¿¡¼­ Áذí¿Â Àç»ý ¾Æ½ºÆÈÆ® È¥ÇÕ¹°ÀÇ °³ÁúÁ¦·Î »ç¿ëÇÏ¿´´Ù. º» ¿¬±¸¿¡¼­´Â 8°³ÀÇ Áذí¿Â Àç»ý È¥ÇÕ¹°(2 RAPÇÔ·® ${ imes}$ 2 Áذí¿Â ÷°¡Á¦ ${ imes}$ 2 °³ÁúÁ¦)»Ó¸¸ ¾Æ´Ï¶ó 2°³ÀÇ ÀÏ¹Ý Àç»ý È¥ÇÕ¹°, 1°³ÀÇ °¡¿­È¥ÇÕ ÀϹÝÈ¥ÇÕ¹°(control)±îÁö ÃÑ 11°³ÀÇ È¥ÇÕ¹°À» Á¦Á¶ÇÏ¿´´Ù. º¯Çü°­µµ ½ÃÇè, °£Á¢ÀÎÀå°­µµ ½ÃÇè, ¼öºÐ¹Î°¨¼º ½ÃÇè, wheel trackingÀ» ÅëÇÑ ¼Ò¼ºº¯Çü ½ÃÇèÀ» Áذí¿Â Àç»ýÈ¥ÇÕ¹°ÀÇ ±âº» Ư¼ºÀ» Æò°¡Çϱâ À§ÇÏ¿© ¼öÇàÇÏ¿´´Ù.
This study evaluated strength properties of recycled asphalt concretes using warm-mix technology. Granite with maximum size of 13mm and penetration grade of 80-100 virgin binder were used for mixing in recycled mixtures. Mix design was performed using 20% and 30% RAP(coarse : fine= 6 : 4) contents. GPC, penetration, absolute viscosity and kinematic viscosity were measured for determining ratio of two warm-mix additives (Evotherm and Sasobit). Low-density polyethylene(LD) used as asphalt modifier for improving stiffness of recycled WMA mixtures in this study. Therefore, a total of 11 mixtures were prepared in this study; 8 warm-mix recycled mixtures(2 RAP contents${ imes}$2 warm-mix additives${ imes}$2 modifiers), 2 hot-mix recycled mixtures and 1 HMA virgin mixture(control). Deformation strength, indirect tensile strength, moisture sensitivity, permanent deformation by wheel tracking tests were measured out for evaluating fundamental properties of recycled asphalt concretes using warm-mix technology.
 
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·¦(ȸ¼ö ¾Æ½ºÆÈÆ® Æ÷ÀåÀç·á);Áذí¿Â °ø¹ý;Áذí¿Â ÷°¡Á¦(Evotherm, Sasobit);¼öºÐ¹Î°¨¼º;¼Ò¼ºº¯Çü;RAP(Reclaimed Asphalt Pavement);warm-mix asphalt;deformation strength;moisture sensitivity;permanent deformation;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.12, no.4, 2010³â, pp.111-120
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201014654457734)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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ȸ»ç¼Ò°³ ±¤°í¾È³» ÀÌ¿ë¾à°ü °³ÀÎÁ¤º¸Ãë±Þ¹æÄ§ Ã¥ÀÓÀÇ ÇѰè¿Í ¹ýÀû°íÁö À̸ÞÀÏÁÖ¼Ò ¹«´Ü¼öÁý °ÅºÎ °í°´¼¾ÅÍ
   

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