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Çѱ¹µµ·ÎÇÐȸ / v.4, no.4, 2002³â, pp.53-66
¾Æ½ºÆÈÆ® ÄÜÅ©¸®Æ®ÀÇ ³ëÈ­ ÈÄ ÃßÃâÇÑ ¹ÙÀδõÀÇ ¹°¸®Àû Ư¼º º¯È­
( Change of Physical Properties of Binder Extracted from after Artificial Aging of Asphalt Concretes )
±è±¤¿ì;µµ¿µ¼ö;±è¼º¿î; °­¿ø´ëÇб³ Áö¿ª±â¹Ý°øÇаú;°í¼Óµµ·Î°ü¸®°ø´Ü ±â¼ú°³¹ßÆÀ Æ÷À忬±¸;°­¿ø´ëÇб³ Áö¿ª±â¹Ý°øÇаú;
 
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¾Æ½ºÆÈÆ®´Â ³ëÈ­¿¡ µû¶ó ¹°¸®Àû Ư¼ºº¯È­°¡ ÀϾ´Ù. ÇÏÁö¸¸ °°Àº ¼öÁØÀ¸·Î ³ëÈ­½ÃŲ ¾Æ½ºÆÈÆ® È¥ÇÕ¹°µéÀÓ¿¡µµ °ñÀç¿Í °áÇÕÀç µî¿¡ µû¶ó ¼­·Î ´Ù¸¥ °­¼ºÀ̳ª Ã뼺À» º¸ÀδÙ. ÀÌ´Â ³ëÈ­¿¡ ÀÇÇÑ ¹ÙÀδõ Ư¼º º¯È­ÀÇ Â÷ÀÌ¿¡ ±âÀÎÇÑ °ÍÀε¥ ÀÌ¿Í °°ÀÌ È¥ÇÕ¹° ³»¿¡¼­ ¹ÙÀδõÀÇ ¹°¸®Àû Ư¼º º¯È­ Â÷ÀÌ¿¡ ¿µÇâÀ» ÁÖ´Â ¿äÀο¡ ´ëÇÑ ¿¬±¸´Â º°·Î ¾ø´Ù. µû¶ó¼­ º» ¿¬±¸¿¡¼­´Â ¾Æ½ºÆÈÆ® È¥ÇÕ¹°ÀÇ ³ëÈ­ ÈÄÃßÃâÇÑ ¹ÙÀδõÀÇ ¹°¸®Àû Ư¼ºÀ» ÃøÁ¤ÇÏ°í ¹°¼º Â÷ÀÌ¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â ¿äÀÎÀ» ºÐ¼®ÇÏ¿´´Ù. Æú¸®¸Ó 3Á¾·ù¿Í °ñÀç µÎ Á¾·ù, µÎ °¡Áö ÀÔµµ, µÎ Á¾·ùÀÇ ¾Æ½ºÆÈÆ®¸¦ »ç¿ëÇÏ¿© 32Á¾·ùÀÇ È¥ÇÕ¹°À» Á¦Á¶Çϰí, À̸¦ Àå ´Ü±â ³ëÈ­ ó¸®ÇÏ¿´´Ù. °¢ È¥ÇÕ¹°ÀÇ ³ëÈ­ ÈÄ Abson recovery ¹æ¹ýÀ¸·Î ¹ÙÀδõ¸¦ ÃßÃâ ȸ»ýÇÏ°í ¹ÙÀδõ ¹°¼º ½ÃÇè(ħÀÔµµ, µ¿Á¡µµ, Àý´ëÁ¡µµ)À» ¼öÇàÇÏ¿´´Ù. À̸¦ SAS¸¦ ÀÌ¿ëÇÏ¿© Åë°è ºÐ¼®ÇÏ¿´´Ù. ¹ÙÀδõ ½ÃÇè¿¡¼­ °ñÀç Á¾·ù¿Í Æú¸®¸Ó°¡ ³ëÈ­½Ã ¹°¼ºº¯È­¿¡ Â÷À̸¦ °¡Á®¿À´Â ½É°¢ÇÑ ¿äÀÎÀÓÀ» ¾Ë ¼ö ÀÖ¾ú°í, ÀÔµµ´Â Á¡µµ º¯È­¿¡ Å« ¿µÇâÀ» ¹ÌÄ¡´Â ÀÎÀÚÀÎ °ÍÀÓÀ» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù. º» ¿¬±¸ °á°ú, È¥ÇÕ¹° ³»ÀÇ ¹ÙÀδõ ¹°¼ºÀº °ñÀç Á¾·ù, ÀÔµµ, °³ÁúÁ¦ÀÇ Á¾·ù, ¹ÙÀδõÀÇ Á¾·ù µîÀÇ ´Ù¾çÇÑ ¿äÀο¡ ÀÇÇØ ¸¹Àº ¿µÇâÀ» ¹Þ´Â ´Ù´Â °ÍÀ» ¾Ë ¼ö ÀÖ¾ú´Ù.
Asphalt binder characteristics in asphalt mixture are changed due to aging. However. depending upon aggregate and binder used, asphalt mixture dose not show the same level of stiffness and brittleness under the same ageing level. The factors affecting Physical Properties change of the asphalt binder within aged asphalt concrete are not well known and there is limited study which is dealing with this topic This study dealt with evaluation of physical properties of asphalt binder recovered from the mixtures after short-term and long-term aging. Two asphalts. two aggregates. two gradations and four polymers were used to make 32 mixture combinations. The mixtures were prepared and aged artificially in a forced draft oven. The measured physical properties included absolute viscosity, kinematic viscosity and penetration. Statistical analyses were carried out to find out the factor(s) having a significant effect on change of physical property of asphalt binder due to asphalt mixture aging. The results of study shown that aggregate, gradation and polymer had a significant effect on change of physical properties of asphalt binder.
 
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Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.4, no.4, 2002³â, pp.53-66
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200215637527378)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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