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Çѱ¹µµ·ÎÇÐȸ / v.10, no.4, 2008³â, pp.19-29
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»õ·Î¿î Simple Performance Testing Àåºñ¸¦ ÀÌ¿ëÇÑ Áß¿ÂÇü Æûµå ¾Æ½ºÆÈÆ® È¥ÇÕ¹°ÀÇ °ø¿ë¼º Æò°¡
( Evaluation of Warm Mix Asphalt Mixtures with Foaming Technology and Additives Using New Simple Performance Testing Equipment ) |
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| ÃÖ±Ù¿¡ $135^{circ}C^{circ}C$ ÀÌÇÏÀÇ ¿Âµµ¿¡¼ »ý»êµÇ´Â Áß¿ÂÇü ¾Æ½ºÆÈÆ® È¥ÇÕ¹°ÀÇ »õ·Î¿î »ý»ê ±â¼úÀÌ Àü¼¼°èÀûÀ¸·Î °³¹ßµÇ°í ÀÖ´Ù. º» ¿¬±¸¿¡¼´Â °¡¿ ¾Æ½ºÆÈÆ®º¸´Ù ³·Àº ¿Âµµ¿¡¼ ¾Æ½ºÆÈÆ®¸¦ È¿°úÀûÀ¸·Î °ñÀç¿¡ ºÐ»ê½ÃÄÑ ÄÚÆÃÇÒ ¼ö ÀÖ´Â Æûµå ¾Æ½ºÆÈÆ® ±â¼úÀ» ÀÌ¿ëÇÏ¿© Áß¿ÂÇü ¾Æ½ºÆÈÆ® È¥ÇÕ¹°À» »ý»êÇÏ¿´À¸¸ç, ÃÖ±Ù °³¹ßµÈ »õ·Î¿î Simple Performance Testing Àåºñ¸¦ ÀÌ¿ëÇÏ¿© ´Ù¾çÇÑ ¿Âµµ¿Í ÇÏÁßÁ¶°Ç ÇÏ¿¡¼ Áß¿ÂÇü Æûµå ¾Æ½ºÆÈÆ® È¥ÇÕ¹°ÀÇ °ø¿ë¼º Ư¼ºÀ» Æò°¡ÇÏ¿´´Ù. Áß¿ÂÇü Æûµå ¾Æ½ºÆÈÆ® È¥ÇÕ¹°Àº FG 64-22ÀÇ ¾Æ½ºÆÈÆ®¸¦ °Åǰ»óÅ·Π¸¸µé¾î Áß¿ÂÀ¸·Î °¡¿µÈ °ñÀç¿¡ »Ñ·Á¼ Á¦Á¶ÇÏ¿´À¸¸ç, Áß¿ÂÇü ¾Æ½ºÆÈÆ® È¥ÇÕ¹°Àº Áß¿ÂÀÇ °ñÀç¿¡ FG 64-22ÀÇ ¾Æ½ºÆÈÆ®¸¦ ¾×»ó »óÅ·Π÷°¡ÇÏ¿© Á¦Á¶ÇÏ¿´´Ù. Áß¿ÂÇü Æûµå ¾Æ½ºÆÈÆ® È¥ÇÕ¹°Àº Áß¿ÂÇü ¾Æ½ºÆÈÆ® È¥ÇÕ¹°º¸´Ù ³ôÀº µ¿Åº¼º°è¼ö¿Í Flow Number¸¦ ³ªÅ¸³»¾ú´Ù. µû¶ó¼, $100^{circ}C$·Î °¡¿µÈ °ñÀ縦 »ç¿ëÇÏ¿© »ý»êµÈ Áß¿ÂÇü Æûµå ¾Æ½ºÆÈÆ® È¥ÇÕ¹°Àº Áß¿ÂÇü ¾Æ½ºÆÈÆ® È¥ÇÕ¹°¿¡ ºñÇÏ¿© ÇǷαտ ¹× ¼Ò¼ºº¯Çü ÀúÇ׿¡ ¿ì¼öÇÑ °ÍÀ¸·Î Æò°¡µÇ¾ú´Ù. |
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| To produce asphalt mixtures at temperature significantly below $135^{circ}C$, called "Warm Mix Asphalt (WMA)", new technologies are currently being developed worldwide. To produce WMA mixtures in this research, foaming technology is adopted to effectively disperse asphalt binder at lower temperature than hot mix asphalt (HMA) in the field. The main objectives of this study are to develop WMA process using foaming technology (WMA-foam) and evaluate its performance characteristics under various temperatures and loading conditions. WMA-foam mixtures were produced by injecting PO 64-22 foamed asphalt into warm aggregates whereas WMA mixtures were produced by adding PO 64-22 asphalt (without foaming) in the warm aggregates. Both dynamic modulus and flow number of WMA-foam mixtures were higher than those of WMA mixtures. Based on the limited dynamic modulus and repeated load test results, it is concluded that the WMA-foam mixtures using warm aggregates at $100^{circ}C$ are more resistant to fatigue cracking and rutting than WMA mixtures. |
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Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.10, no.4, 2008³â, pp.19-29
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200806135607911)
¾ð¾î : ¿µ¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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