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Çѱ¹µµ·ÎÇÐȸ / v.11, no.1, 2009³â, pp.127-134
Åë°èÀû ±Ù°Å¿¡ ÀÇÇÑ Ç¥Ãþ ¾Æ½ºÆÈÆ® È¥ÇÕ¹° º¯Çü°­µµÀÇ ¹èÇÕ°­µµ ¼³Á¤¿¬±¸
( Statistical Inference for Process Mean of Deformation Strength of Asphalt Mixtures )
¶óÀÏÈ£;±èÁøÃ¶;µµ¿µ¼ö;±è±¤¿ì; °­¿ø´ëÇб³ ´ëÇпø Áö¿ª°Ç¼³°øÇаú;°­¿ø´ëÇб³ ´ëÇпø Áö¿ª°Ç¼³°øÇаú;°­¿ø´ëÇб³ ¼®À纹ÇհǼ³½Å¼ÒÀ翬±¸¼Ò;°­¿ø´ëÇб³ Áö¿ª°Ç¼³°øÇаú;
 
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º» ¿¬±¸´Â ¾Æ½ºÆÈÆ® È¥ÇÕ¹°ÀÇ ¼Ò¼ºº¯Çü Ư¼ºÀ» ºñ±³Àû Àß ¹Ý¿µÇÏ´Â º¯Çü°­µµÄ¡°¡ ¾ÈÁ¤ÀûÀ¸·Î ¹èÇÕ¼³°è½Ã ±âÁذ­µµ¸¦ ¸¸Á·ÇÒ ¼ö ÀÖ´Â ¹èÇÕ°­µµ¸¦ Åë°èÀû ºÐ¼®¿¡ ÀÇÇØ Á¦½ÃÇϱâ À§ÇÏ¿© ÀÌ·ç¾îÁ³´Ù. µû¶ó¼­ ½ÇÁ¦ÀÇ µµ·Î È¥ÇÕ¹°ÀÇ AFA½ÃÇè°úÀÇ º¯Çü°­µµÀÇ »ó°ü°ü°è·ÎºÎÅÍ ¾ò¾îÁø È¥ÇÕ¹°ÀÇ ÀÓ°èÄ¡ (ÀϹݵµ·Î 3MPa, °£¼±µµ·Î 4MPa)¿Í ±¹³» 32°³ Á¶ÇÕÀÇ ¾Æ½ºÆÈÆ® È¥ÇÕ¹°ÀÇ º¯Çü°­µµ °ªÀ» ÅëÇØ º¯µ¿°è¼ö$(V_c)$¸¦ °è»êÇϰí À̸¦ ÀÌ¿ëÇÏ¿© ¹èÇÕ°­µµ¸¦ »êÁ¤ÇÏ¿´´Ù. °ø½Ãü¸¦ 3°³ »ç¿ëÇÒ °æ¿ì Á÷°æ 100mm °ø½ÃüÀÇ ÀϹݵµ·Î¿Í °£¼±µµ·ÎÀÇ È¥ÇÕ¹°ÀÇ ¹èÇÕ°­µµ´Â 3.2MPa¿Í 4.25MPa·Î ¼³Á¤µÇ¾ú´Ù. ¶ÇÇÑ, ÀÌ °ªÀº ÀçÇϼӵµ 30mm/minÀÇ Àåºñ¿¡¼­ ¾ò¾îÁø °ªÀ̹ǷΠÀçÇϼӵµ°¡ 50mm/min·Î °íÁ¤µÈ ¸¶¼£¾ÈÁ¤µµ ½ÃÇè±â »ç¿ë½Ã¿¡´Â ´õ ³ôÀº °ªÀÎ 3.5MPa¿Í4.5MPaÀÌ °¢°¢ÀÇ ±âÁØÀ¸·Î ¼³Á¤µÇ¾ú´Ù.
This study was performed to establish the process mean which is statistically satisfying the critical limit of deformation strength $(S_D)$, which is found to reflect rutting characteristics of asphalt mixture relatively well. The process means were determined using the critical $S_D$ values (3MPa for local highway and 4MPa for arterial highways), which were obtained from correlation analysis of APA and $S_D$ test data of actual highway projects, and coefficient of variation of 32 combinations of domestic mixtures. The process means of 3.2 MPa for local highway and 4.25 MPa for arterial highways were suggested when using 3 specimens (diameter of 100mm). However, since these values are based on the loading speed of 30mm/min, the higher values, 3.5 MPa for local highway and 4.5 MPa for arterial highways, were suggested, respectively, if the loading speed of 50mm/min is applied using the old Marshall machine, which should give higher test values.
 
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Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.11, no.1, 2009³â, pp.127-134
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200911850421602)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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