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Çѱ¹µµ·ÎÇÐȸ / v.7, no.4, 2005³â, pp.69-77
ÁÙ´« ÄÜÅ©¸®Æ®Æ÷ÀåÀÇ ÀûÁ¤ ÁÙ´«°£°Ý¿¡ ´ëÇÑ ¿¬±¸
( A Study for Optimum Joint Spacing in Jointed Concrete Pavement )
Àü¹üÁØ;À̽¿ì; °­¸ª´ëÇб³ Åä¸ñ°øÇаú;°­¸ª´ëÇб³ Åä¸ñ°øÇаú;
 
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ÁÙ´« ÄÜÅ©¸®Æ®Æ÷Àå¿¡¼­ ÀûÁ¤ÇÑ ÁÙ´«°£°ÝÀº ½½·¡ºêÀÇ °Åµ¿¿¡ ÀÇÇØ ¹ß»ýÇÏ´Â ÀÎÀåÀÀ·Â ÁÙ´«Ã¤¿òÀçÀÇ ÆÄ¼Õ°ú ´ÙÀ£¹ÙÀÇ ÇÏÁßÀü´ÞÀ²(LTE)ÀÇ ÀúÇϸ¦ ¹æÁöÇÏ¿© µµ·ÎÆ÷ÀåÀÇ Àå±â °ø¿ë¼º Áõ°¡¿¡ Å« ¿µÇâÀ» ¹ÌÄ£´Ù. ÇÏÁö¸¸ ±¹³» ÁÙ´«°£°ÝÀº °æÇèÀûÀ̰í ȹÀÏÀûÀ¸·Î ÀÌ·ç¾îÁø´Ù. ±×·¯¹Ç·Î º» ¿¬±¸´Â ±¹³» ±Ç¿ªº° ±âÈÄÁ¶°ÇÀ» Åä´ë·Î ÇÕ¸®ÀûÀÎ ÁÙ´«°£°Ý »êÁ¤¿¡ ´ëÇÑ ¹æ¾ÈÀ» Á¦½ÃÇÏ¿´´Ù. ÇÕ¸®ÀûÀÎ ÁÙ´«°£°ÝÀº Ãʱâ°Åµ¿¿¡¼­ ȯ°æÇÏÁßÀÇ ¿µÇâ¿¡ µû¸¥ °ÇÁ¶¼öÃà°ú ¼öÈ­¿­¿¡ ÀÇÇØ ¹«ÀÛÀ§ ±Õ¿­ ¹ß»ýÇÏÁö ¾Êµµ·Ï »êÁ¤ÇÏ¿´´Ù. ±×¸®°í Àå±â°Åµ¿¿¡¼­ ÁÙ´«ÆøÀÇ °úµµÇÑ ¿òÁ÷ÀÓ¿¡ µû¸¥ LTE ÀúÇÏ·Î ÀÎÇØ Æ÷ÀåÆÄ¼ÕÀÌ ¹ß»ýÇÏÁö ¾Êµµ·Ï ÁÙ´«°£°ÝÀ» »êÁ¤ÇÏ¿´´Ù. º» ¿¬±¸¿¡¼­ »êÁ¤µÈ ÁÙ´«°£°Ý ÀáÁ¤¾ÈÀº 6$sim$8mÀ̸ç, Æ÷ÀåÆÄ¼Õ ¿¹Ãø ¸ðµ¨À» ÅëÇØ ÁÙ´«°£°ÝÀ» 8m·Î Áõ°¡½ÃÄѵµ Æ÷Àå °ø¿ë¼º¿£ Å« Â÷À̰¡ ¾ø¾ú´Ù.
Joint spacing is a potent influence in increasing the long term performance of jointed concrete pavement slabs through the control of tensile stress, sealant failure and Load Transfer Efficiency (LTE). Internal Joint Spacing is an empirical and fixed method therefore this study will present the optimum joint spacing considerations depending on various climactic conditions. Calculating the optimum joint spacing eliminates random cracking due to the effect of the environmental loads such as the early behavior of drying shrinkage and heat hydration. Optimum joint spacing is calculated so as not to cause pavement distress by the deterioration of LTE by long term pavement movement. This study shows that the provisional joint spacing is 6-8m. Pavement Distress Prediction Models show that pavement distress has no effect on joint spacing of 8m.
 
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ÁÙ´« ÄÜÅ©¸®Æ®Æ÷Àå;ÁÙ´«°£°Ý;Ãʱâ°Åµ¿;Àå±â°Åµ¿;jointed concrete pavement;joint spacing;early behavior;long term performance;load transfer efficiency(LTE);
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.7, no.4, 2005³â, pp.69-77
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200515637509431)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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