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Çѱ¹µµ·ÎÇÐȸ / v.10, no.4, 2008³â, pp.225-234
¾Æ½ºÆÈÆ® ÄÜÅ©¸®Æ® º¯Çü°­µµ ½ÃÇè¿¡¼­ÀÇ ÀûÁ¤ ÇÏÁßÀçÇϼӵµ ¼±Á¤ ¿¬±¸
( Determination of Proper Loading Speed for Deformation Strength Test of Asphalt Concretes )
Á¶º´Áø;¹ÚÅ¿ø;µµ¿µ¼ö;±è±¤¿ì; °­¿øµµ °³¹ß°ø»ç Åä¸ñÁ÷;Çѱ¹µµ·Î°ø»ç µµ·Î±³Å뿬±¸¿ø;°­¿ø´ëÇб³ ¼®À纹ÇհǼ³½Å¼ÒÀ翬±¸¼Ò;°­¿ø´ëÇб³ Áö¿ª°Ç¼³°øÇаú;
 
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º» ¿¬±¸´Â ¾Æ½ºÆÈÆ® È¥ÇÕ¹°ÀÇ º¯Çü°­µµ¿¡ ´ëÇÑ ÀûÁ¤ ÇÏÁßÀçÇϼӵµ¸¦ ¼±Á¤Çϱâ À§ÇÏ¿© ¼öÇàÇÏ¿´´Ù. À̸¦ À§Çϼ® Á÷°æ(D) 40mm, ÇÏ´ÜÀÇ ¿øÇü Àý»è¹Ý°æ(r)À» 10.0mmÀÇ ÇÏÁߺÀÀ¸·Î Kim testÀÇ ÇÏÁßÀçÇϼӵµ¸¦ ºÐ´ç 10mm, 30mm, 50mm, 70mm·Î ÇÏ¿© º¯Çü°­µµ¸¦ ÃøÁ¤ÇÏ°í ¹Ýº¹ÁÖÇà½ÃÇèÀ» ¼öÇàÇÏ¿© ¾ò¾îÁø ¼Ò¼ºº¯Çü Ư¼ºÄ¡¿ÍÀÇ »ó°ü°ü°è¿¡ ´ëÇÏ¿© ȸ±ÍºÐ¼®À» ¼öÇàÇÏ¿´´Ù. ÇÏÁßÀçÇϼӵµº° º¯Çü°­µµ °ªÀº ÇÏÁßÀçÇϼӵµ°¡ Áõ°¡ÇÔ¿¡ µû¶ó º¯Çü°­µµµµ Áõ°¡ÇÏ´Â °æÇâÀ» º¸¿´´Ù. À̰ÍÀº ÇÏÁßÀçÇϼӵµ°¡ º¯Çü°­µµ¿¡ ¹ÌÄ¡´Â ¿µÇâÀÌ Å« ¿ä¼ÒÀÓÀ» ¾Ë ¼ö ÀÖ¾ú´Ù. ÇÏÁßÀçÇϼӵµ¿¡ µû¸¥ º¯Çü°­µµ¿Í ¹Ýº¹ÁÖÇà½ÃÇè °á°úÀÎ ÃÖÁ¾Ä§ÇϱíÀÌ ¹× µ¿Àû¾ÈÁ¤µµ¿ÍÀÇ »ó°ü¼º ºÐ¼®À» ÅëÇØ 30mm/minÀÇ ÇÏÁßÀçÇϼӵµ°¡ °¡Àå ÀûÇÕÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ÇÏÁß 30mm/min ÇÏÁßÀçÇϼӵµ°¡ ºÒ°¡´ÉÇÑ ½ÃÇè±âÀÇ 30mm/min ÇÏÁßÀçÇϼӵµ¿¡¼­ÀÇ º¯Çü°­µµ´Â Á¦¾ÈµÈ ȯ»ê°è¼ö¸¦ Àû¿ëÇØ¾ß ÇÑ´Ù.
This study was carried out to select proper loading speed for deformation strength ($S_D$) of asphalt mixtures. Kim test using loading head of diameter(40mm) with radius(10mm) was conducted to measure $S_D$ in different loading speed (10mm/min, 30mm/min, 50mm/min, 70mm/min) and wheel tracking test was also conducted. The regression analyses between the So values and WT results were carried out by loading speeds. Higher $S_D$ was observed as increasing loading speed. This means that loading speed is a high influencing factor on $S_D$. The loading speed of 30mm/min was found as an optimum for better correlation with WT results than any other speeds from the regression analysis between $S_D$ and wheel tracking test results. $S_D$ value measured at other loading speed than 30mm/min has to apply the conversion coefficients.
 
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º¯Çü°­µµ;ÇÏÁßÀçÇϼӵµ;¹Ýº¹ÁÖÇà½ÃÇè;¼Ò¼ºº¯Çü;ȸ±ÍºÐ¼®;ÃÖÁ¾Ä§ÇÏ ±íÀÌ;µ¿Àû¾ÈÁ¤µµ;deformation strength;loading speed;wheel tracking test;regression analysis;conversion coefficients;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.10, no.4, 2008³â, pp.225-234
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200806135607964)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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