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Çѱ¹µµ·ÎÇÐȸ / v.7, no.4, 2005³â, pp.203-210
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( A Study on the Rheological Behavior Properties of Short-term Aged Asphalt Binder )
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¹ÙÀδõÀÇ ³ëÈ­·Î ÀÎÇÑ ¼º´Éº¯È­´Â ħÀÔµµ ¶Ç´Â Á¡µµ½ÃÇèÀ» ½Ç½ÃÇÏ¿© ÆÇÁ¤ÇÏ¿©¿Ô´Ù. ±âÁ¸ÀÇ ½ÃÇè¹æ¹ýÀ¸·Î ¾Æ½ºÆÈÆ® ¹ÙÀδõÀÇ Á¡Åº¼º Ư¼º°ú ½ÇÁ¦°Åµ¿À» Æò°¡ÇÒ ¼ö ¾ø±â ¶§¹®¿¡ »õ·Î¿î ºÐ¼®¹æ¹ýÀÌ ¿ä±¸µÇ¾î ¿Ô´Ù. º» ¿¬±¸¿¡¼­´Â ±âÁ¸½ÃÇè ¹æ¹ýÀ» »ç¿ëÇÏ¿© ħÀÔµµÁö¼ö¿Í ÀÜ·ùħÀÔµµ¸¦ ÆÇÁ¤ÇÏ¿´°í, ¾ç¹æÇ⠹ݺ¹È¸Àü ¸ðµå¿Í ÀϹæÇ⠹ݺ¹È¸Àü ¸ðµå ½ÃÇèÀ» ½Ç½ÃÇÏ¿© ´Ü±â ³ëÈ­µÈ ¾Æ½ºÆÈÆ® ¹ÙÀδõÀÇ À¯º¯ÇÐÀû Ư¼ºÀ» ºÐ¼®ÇÏ¿´´Ù. ½ÃÇè°á°ú ´Ü±â ³ëÈ­µÈ ¾Æ½ºÆÈÆ® ¹ÙÀδõ´Â ½ÃÇèÁÖ±â(frequency) Áï, Â÷·®¼ÓµµÀÇ º¯È­¿¡ µû¶ó ¼­·Î ´Ù¸¥ º¹ÇÕ°è¼ö¿Í À§»ó°¢À» ³ªÅ¸³ÂÀ¸¸ç ´Ü±â ³ëÈ­ ÀüÈÄÀÇ Å©¸®ÇÁ ÄÄÇöóÀ̾𽺠¹× Àü´ÜÁ¡µµ ½ÃÇè°á°ú¿¡µµ ¿µÇâÀ» ¹ÌÄ¡´Â °ÍÀ¸·Î ³ªÅ¸³ª¼­ Æ÷Àå ¼³°è½Ã ÀÌ·¯ÇÑ Æ¯¼ºÀÌ °í·ÁµÇ¾î¾ß ÇÑ´Ù.
The penetration and viscosity tests have been used for the evaluation of the aged asphalt binder performance change. The improved test method has been required because the conventional tests could not evaluate the viscoelastic characteristics and the real behaviour of the aged asphalt binder. The conventional test methods using a different short term aged asphalt binder were tested and the test results were expressed as the penetration index and the residual penetration. The oscillatory and rotational mode tests were performed to find out the rheological characteristics of the short term aged asphalt binder in this study. The test results showed that the change of testing frequency, the speed of the vehicle effects the complex modules and phase angles. The creep compliance and shear viscosity also showed the different test results when the short term aged asphalt binders were tested. The rheological behavior should consider when the pavement design is conducted.
 
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Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.7, no.4, 2005³â, pp.203-210
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ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200515637509688)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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