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Çѱ¹µµ·ÎÇÐȸ / v.7, no.1, 2005³â, pp.63-71
PG °í¿Âµî±ÞÀÇ ¹®Á¦Á¡°ú »õ·Î¿î ´ë¾È
( Problems in High Temperature Superpave PG-Grading and A New Alternative )
ÇãÁ¤µµ; ÀÎõ´ëÇб³ ÷´Üµµ·Î±³Å뿬±¸¼¾ÅÍ;
 
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¾Æ½ºÆÈÆ®¹ÙÀδõµî±ÞÀº ¾Æ½ºÆÈÆ®¹ÙÀδõÀÇ Ç°ÁúÀ» Æ÷ÀåÀÇ °ø¿ë¼º°ú °ü·ÃÇÏ¿© µî±ÞÈ­ÇÑ °ÍÀ¸·Î, È¥ÇÕ¹°¹èÇÕ¼³°è¿¡ À־ Áß¿äÀç·áÀÎ ¾Æ½ºÆÈÆ®¸¦ ÀûÀýÈ÷ ¼±Á¤ÇÏ´Â µ¥ ÇʼöÀûÀÎ Á¤º¸¸¦ Á¦°øÇÑ´Ù. ÀÌ·¯ÇÑ ¸ñÀûÀ» À§ÇØ ¹Ì±¹Àº 1990³â´ë Á߹ݿ¡ PG-µî±ÞÀ» °³¹ßÇÏ¿© ÇöÀå¿¡ Àû¿ëÇϰí ÀÖ´Ù. ±¹³»¿¡¼­µµ ÃÖ±Ù¿¡ ¹Ì±¹ÀÇ PG-µî±ÞÀ» µé¿©¿Í¼­ ¹ÙÀδõ±ÔÁ¤À¸·Î äÅÃÇϰí ÀÖ´Ù. ±×·¯³ª ÀϺ», Áß±¹À» ºñ·ÔÇÑ ¾Æ½Ã¾Æ Áö ¿ªÀ̳ª À¯·´ÀÇ ´ëºÎºÐ ³ª¶óµéÀº ¹Ì±¹°ú´Â ´Þ¸® ħÀÔµµ³ª Á¡µµµî±ÞÀ» °í¿Âµî±ÞÀ¸·Î »ç¿ëÇϰí ÀÖ´Ù. º» ¿¬±¸ÀÇ ¸ñÀûÀº ¹Ì±¹ÀÇ PC-µî±ÞÀÇ Å¸´ç¼ºÀ» ºÐ¼®ÇÏ´Â µ¥ ÀÖ´Ù. ºÐ¼®°á°ú´Â À̵î±Þ¿¡ ½É°¢ÇÑ ¿À·ù°¡ ÀÖÀ½À» ¸»ÇØÁÖ¸ç , À̸¦ ÇØ°áÇϱâ À§ÇÑ ´ë¾ÈÀ¸·Î º¸´Ù Á¤È®ÇÑ ¹ÙÀδõµî±Þ À̷нÄÀÌ ¼Ò°³µÈ´Ù. »ó±â ½ÄµéÀ» ÀÌ¿ëÇÏ¿© ÇöÀå°¡¼Ó½ÃÇè±â³ª ½Ç³» ¹ÙÄûÁÖÇà½ÃÇè±â¿¡¼­ ¾ò¾îÁø ¹®ÇåÀÇ µ¥ÀÌÅ͸¦ ¿¹ÃøÇÔÀ¸·Î¼­ º» ³í¹®¿¡¼­ ÁÖÀåÇÏ´Â ³»¿ëµéÀ» ÀÔÁõÇÑ´Ù.
Asphalt binder grading is to specify quality of asphalt binders relating to pavement performance in orderly manner, and provides the necessary information in selecting the appropriate asphalt binder for the hot mix design. For this purpose, United States has developed the PG-grading in 1995 and is implementing in practice. Recently, this American PG-grading system has been accepted as the domestic binder grading specification. However, the Asian (including Japan and China) and the most European countries are still use the traditional penetration and viscosity specification. The goal of this study lies in analysing the American PG-grading for its justification. As the result, the serious errors are found, and thus, to eliminate the errors, the more precise binder grading equation is introduced, Credibility of this study is checked by predicting the literature rut data with the equations mentioned. The prediction result are validating the claimes made in this study.
 
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¾Æ½ºÆÈÆ®¹ÙÀδõ µî±Þ;°ø¿ë¼º µî±Þ;°í¿Â PG-µî±ÞÀÇ ¹®Á¦Á¡;»õ °í¿Âµî±Þ ½Ä;asphalt grading;performance grading(PG);problems of high temperature PG-grading;a new high temperature grading equation;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.7, no.1, 2005³â, pp.63-71
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200515637508939)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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