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Çѱ¹µµ·ÎÇÐȸ / v.11, no.4, 2009³â, pp.153-160
Falling Weight Deflectometer¸¦ ÀÌ¿ëÇÑ ¼¶À¯º¸°­ ¾Æ½ºÆÈÆ® ¹× Æú¸®¸Ó °³Áú ¾Æ½ºÆÈÆ® Æ÷ÀåÀÇ ºñ¿ë È¿°ú ºÐ¼®
( Cost Analysis of Asphalt Pavements Reinforced with Glass Fiber and Polymer Modified Using Falling Weight Deflectometer )
±èºÎÀÏ;À̹®¼·;Àü¼ºÀÏ;±è»ó±Ô; Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø µµ·Î¿¬±¸½Ç;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø µµ·Î¿¬±¸½Ç;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø µµ·Î¿¬±¸½Ç;±¹ÅäÇØ¾çºÎ °£¼±µµ·Î°ú;
 
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º» ¿¬±¸¿¡¼­´Â ±¹³» LTPP ±¸°£¿¡¼­ ¼öÇàµÈ FWD ½ÃÇèÀÇ °á°ú¸¦ ¹ÙÅÁÀ¸·Î ¼¶À¯º¸°­, Æú¸®¸Ó °³Áú, ÀÏ¹Ý ¾Æ½ºÆÈÆ® Æ÷ÀåÀÇ ±¸Á¶Àû ¼º´ÉÀ» ºñ±³ Æò°¡ÇÏ¿´´Ù. FWD ½ÃÇè °á°ú, Ç¥Ãþ ÇϴܺÎÀÇ ÀÎÀ庯Çü·®ÀÌ ¼¶À¯º¸°­ ¾Æ½ºÆÈÆ®´Â 29%, Æú¸®¸Ó °³Áú ¾Æ½ºÆÈÆ®´Â 21% Àú°¨µÇ´Â °ÍÀ» È®ÀÎÇÏ¿´´Ù. ¶ÇÇÑ FWD óÁü·®À» ¿ª»êÇÏ¿© °¢ ÃþÀÇ Åº¼º°è¼ö¸¦ ÃßÁ¤ÇÑ ÈÄ À̸¦ ¹ÙÅÁÀ¸·Î AASHTO ¼³°è¹æ¹ý, ±¸Á¶Àû ÇØ¼® ¹æ¹ý ¹× »ý¾ÖÁÖ±âºñ¿ëºÐ¼®À» ÅëÇØ ¼¶À¯º¸°­ ¹× Æú¸®¸Ó °³Áú ¾Æ½ºÆÈÆ® Æ÷ÀåÀÇ ºñ¿ë È¿°ú¸¦ ºÐ¼®ÇÏ¿´´Ù. ºÐ¼® °á°ú, ¼¶À¯º¸°­Àº ¾à 5cm, Æú¸®¸Ó °³ÁúÀº ¾à 3cmÀÇ ¾Æ½ºÆÈÆ® Ãþ µÎ²² °¨¼Ò È¿°ú¸¦ º¸¿©ÁÖ¾ú´Ù. ±×·¯³ª ¼¶À¯º¸°­ ¹× Æú¸®¸Ó °³Áú ¾Æ½ºÆÈÆ®ÀÇ °í°¡°ÝÀ¸·Î ÀÎÇÏ¿© Àüü ½Ã°øÀç·áºñ´Â ÀÏ¹Ý ¾Æ½ºÆÈÆ® Æ÷Àå¿¡ ºñÇØ »ó½ÂÇÏ´Â °á°ú¸¦ º¸¿©ÁÖ¾ú´Ù. »ý¾ÖÁÖ±âºñ¿ë °á°ú´Â Ãʱ⠰ø»çºñ´Â ¼¶À¯º¸°­ ¹× Æú¸®¸Ó °³Áú ¾Æ½ºÆÈÆ® Æ÷ÀåÀÌ ³ôÁö¸¸, À¯Áö°ü¸®ºñ¿ë ¹× »ç¿ëÀÚºñ¿ëÀº °¨¼ÒÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
Falling Weight Deflectometer (FWD) tests were performed to evaluate the structural capacity of glass fiber reinforced (GFR), polymer modified (PM), and unmodified asphalt pavement in Korea-LTPP (Long Term Pavement Performance) section. FWD tests showed that the tensile strains of GFR and PM asphalt pavements at the bottom of asphalt layer were 29% and 21% less than that of unmodified asphalt pavement. The structural capacity was then used as a performance criterion for calculating the cost effect of GFR and PM asphalt pavements. From the results, 5cm of asphalt layer thickness was reduced by applying GFR asphalt, and 3cm by applying PM asphalt. However, construction cost of PM and GFR asphalt pavement were increased due to the higher GFR and PM asphalt price. Life cycle cost analysis showed that the initial construction cost of GFR and PM asphalt pavement were higher but the management and user cost were less than those of unmodified asphalt pavement.
 
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Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.11, no.4, 2009³â, pp.153-160
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200909659864482)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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