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Çѱ¹µµ·ÎÇÐȸ / v.3, no.1, 2001³â, pp.177-184
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( A Study on Chemical Analysis of Reclaimed Asphalts and Rejuvenators for Property Restoration )
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º» ¿¬±¸´Â ³ëÈÄµÈ Æó¾Æ½ºÄÜÀ¸·ÎºÎÅÍ Æó¾Æ½ºÆÈÆ®¸¦ ÃßÃâÇÏ¿© ASTM¹æ¹ýÀ» ÀÌ¿ëÇØ¼­ Æó¾Æ½ºÆÈÆ®ÀÇ È­ÇÐÀû Á¶¼ºÀ» ¼ººÐº°·Î ºÐ¸®Çϰí, À̵éÀ» ½ÅÁ¦¾Æ½ºÆÈÆ®ÀÇ ±¸¼º¼ººÐ°ú ºñ±³ÇÏ¿© ³ëÈĽà º¯È­ÇÏ´Â ¼ººÐµéÀ» ÆÄ¾ÇÇÏ¿´´Ù. ÀÌ·¯ÇÑ ºÐ¼®°á°ú¸¦ Åä´ë·Î Æó¾Æ½ºÆÈÆ®ÀÇ ¼º»óº¹¿øÀ» À§ÇÑ Àç»ý÷°¡Á¦¸¦ Á¦Á¶ÇÏ¿© Àç»ý÷°¡Á¦¸¦ 10%, 20% ÷°¡ÇßÀ» ¶§ Æó¾Æ½ºÆÈÆ®ÀÇ º¹¿øÁ¤µµ¸¦ ħÀÔµµ$(25^{circ}C)$, ½Åµµ, ¿¬È­Á¡, Á¡µµÀÇ ³× °¡Áö ½ÃÇèÀ» ¼öÇàÇÏ¿© Æó¾Æ½ºÆÈÆ®ÀÇ ¹°¼º º¯È­ Ư¼ºÀ» °íÂûÇÏ¿´´Ù. ¿¬±¸°á°ú¿¡ ÀÇÇÏ¸é ¾Æ½ºÆÈÆ®ÀÇ ³ëÈ­½Ã ¾Æ½ºÆÈÅÙÀÇ ÇÔ·®ÀÌ Çϰí, ¹æÇâÁ·¼ººÐÀÇ ÇÔ·®ÀÌ °¨¼ÒÇÔÀ» ¾Ë ¼ö ÀÖ¾ú°í, Áõ°¡ÇÑ ¾Æ½ºÆÈÅÙÀÇ ÇÔ·®À» ÁÙ¿©ÁÖ±â À§ÇØ ¾Æ½ºÆÈÆ®ÀÇ ¹æÇâÁ· ¼ººÐÀÚ È­ÇÐÀûÀ¸·Î ºñ½ÁÇÑ ¾Æ·Î¸¶Æ½±âÀ¯¸¦ »ç¿ëÇÏ¿© Àç»ý÷°¡Á¦¸¦ Á¦Á¶Çß´Ù. ±×¸®°í Á¦Á¶µÈ Àç»ý÷°¡Á¦¸¦ ³ëÈ­°¡ ÁøÇàµÈ Æó¾Æ½ºÆÈÆ®¿¡ ¹«°Ô ºñ·Î 20% ÷°¡ÇßÀ» ¶§, ½ÅÁ¦¾Æ½ºÆÈÆ® (AP-3)¿Í À¯»çÇÑ Á¤µµ·Î ¼º»óÀÌ º¹¿øµÊÀ» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù.
A recycling agent has been manufactured on the basis of the chemical composition of reclaimed asphalt binders and virgin asphalt binders. The chemical compositions of reclaimed asphalt binders extracted from reclaimed asphalt pavements have been analyzed according to the ASTM method and the results were compared to those of virgin asphalt binder AP-3. Reclaimed asphalt binders have shown that asphaltenes was increased whereas saturates, naphthene aromatics, and polar aromatics fractions were decreased. A recycling agent made of aromatic compounds, in which its chemical composition is similar to the aromatics fraction in asphalt binders, has been produced to reduce the amount of asphaltenes in reclaimed asphalt hinders. The evaluation of the recycling agent produced was performed by testing ductility, rolling and ball softening point, penetration at $25^{circ}C$ and viscosity at $60^{circ}C$. It was found that, by adding the recycling agent 20% by weight to the reclaimed asphalt binders, the physical properties of reclaimed asphalt binders was recovered to the level of virgin asphalt binder AP-3.
 
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Æó¾Æ½ºÄÜ;Æó¾Æ½ºÆÈÆ®;Àç»ý÷°¡Á¦;ħÀÔµµ;½Åµµ;¿¬È­Á¡;Á¡µµ;Reclaimed asphalt pavement;Reclaimed asphalt binder;Rejuvenator;Penetration;Ductility;Rolling and ball softening point;Viscosity;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.3, no.1, 2001³â, pp.177-184
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ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200115637534627)
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