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Çѱ¹µµ·ÎÇÐȸ / v.7, no.2, 2005³â, pp.45-55
ÄÜÅ©¸®Æ® Æ÷Àå ¾ç»ýÁ¦ÀÇ ÀûÁ¤»ìÆ÷·® °áÁ¤ ¿¬±¸
( Determination of Proper Application Rate of Curing Compound for Cement Concrete Pavement )
±èÀå¶ô;¼­¿µÂù;¾È¼º¼ø; (ÁÖ)·ÎµåÅØ PMS ÆÀ;ÇѾç´ëÇб³ ±³Åë°øÇаú;Çѱ¹µµ·Î°ø»ç ÁߺÎÁö¿ªº»ºÎ;
 
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½Ã¸àÆ® ÄÜÅ©¸®Æ® Æ÷ÀåÀº ½Ã°øÃʱâÀÇ Ç°Áú°ü¸®°¡ Æ÷ÀåÀÇ Àå±â°ø¿ë¼º¿¡ Å« ¿µÇâÀ» ÁÖ´Â °ÍÀ¸·Î ¾Ë·ÁÁ® ÀÖ´Ù. µû¶ó¼­ ½Ã°øÃʱ⿡ ¹ß»ýµÇ´Â ¹®Á¦Á¡À» ÃÖ¼ÒÈ­Çϱâ À§ÇÑ ´Ù¾çÇÑ ¿¬±¸°¡ ±¹³»¿Ü¿¡¼­ Ȱ¹ßÇÏ°Ô ÁøÇàµÇ°í ÀÖ´Ù. ÀϹÝÀûÀ¸·Î ½Ã¸àÆ® ÄÜÅ©¸®Æ®ÀÇ Ç°Áú°ü¸®¿¡¼­ ¾ç»ýÀº Áß¿äÇÑ »çÇ×À̸ç, Æ÷Àå¿ë ½Ã¸àÆ® ÄÜÅ©¸®Æ®¿¡¼­µµ ¾ç»ý½Ã¿¡ ¾ç»ýÁ¦¸¦ »ç¿ëÇÏ¿© ½½·¡ºê Ç¥¸é¿¡ ºÒÅõ¼ö ¸·À» Çü¼ºÇÏ¿© ¼öºÐÁõ¹ßÀ» ¹æÁöÇÏ´Â ÇǸ·¾ç»ý (membrane curing)À» ¸¹ÀÌ »ç¿ëÇϰí ÀÖ´Ù. ¾ç»ýÁ¦ÀÇ ¿ªÇÒÀº ÄÜÅ©¸®Æ® Ç¥¸éÀÇ ¼öºÐÁõ¹ß¾ïÁ¦¿¡ ÀÖ´Ù. ±¹³»¿¡¼­ »ç¿ëµÇ°í ÀÖ´Â ¾ç»ýÁ¦´Â ½Ã°øÇ°Áú°ü¸® Ãø¸é¿¡¼­ »ìÆ÷·®ÀÌ ÀûÁ¤ÇÑÁö¿¡ ´ëÇÑÀǹ®ÀÌ °è¼Ó Á¦±âµÇ¾î ¿Ô´Ù. º» ¿¬±¸¿¡¼­´Â ½Ã¸àÆ® ÄÜÅ©¸®Æ® Æ÷Àå ½Ã°ø½Ã »ìÆ÷µÇ´Â ¾ç»ýÁ¦ÀÇ ¾çÀ» Á¶Á¤ÇÏ¿© ´Ù¾çÇÑ »ìÆ÷·®¿¡ µû¸¥ Áõ¹ß·® °üÃøÀ» ÅëÇØ ¾ç»ýÁ¦ »ìÆ÷·®°ú ¼öºÐÁõ¹ß·® º¯È­¿ÍÀÇ »ó°ü°ü°è¸¦ Á¦½ÃÇÏ¿´´Ù. À̸¦ À§ÇØ 2002³â°ú 2003³â ¿©¸§Ã¶¿¡ °í¼Óµµ·Î ½Ã°øÇöÀå¿¡¼­ 4ȸ¿¡ °ÉÃÄ ´Ù¾çÇÑ ¾ç»ýÁ¦ »ìÆ÷·®$(0¿¡ µû¸¥ Áõ¹ß·® ÄÜÅ©¸®Æ® Æ÷ÀåÀÇ ¿Âµµº¯È­, ÄÜÅ©¸®Æ® Ç¥¸éÀÇ °­µµ¹ßÇö¼Óµµ(ÃÊÀ½ÆÄ Àü´Þ¼Óµµ) µîÀ» ÃøÁ¤ÇÏ¿´´Ù. º» ¿¬±¸¿¡¼­ ¾òÀº °á·ÐÀº ÇöÀç ±¹³» ½Ã°øÇöÀå¿¡¼­ÀÇ ¾ç»ýÁ¦ »ìÆ÷·®Àº ¾à $160ml/m^2$À¸·Î ³ªÅ¸³µ°í, ¼öºÐÁõ¹ßÀº ¾ïÁ¦Çϰí ÀûÁ¤ÇÑ º¸½ÀÈ¿°ú¸¦ ¾ò±â À§ÇÑ ÃÖÀû ¾ç»ýÁ¦ »ìÆ÷·®Àº ¾à $400ml/m^2$ÀÎ °ÍÀ¸·Î ºÐ¼®µÇ¾ú´Ù. °­µµ¹ßÇö¼Óµµ ½ÃÇè°á°ú ¾ç»ýÁ¦ÀÇ »ìÆ÷·®ÀÇ º¯È­°¡ Àå±â°­µµ¿¡ Å« ¿µÇâÀ» ¹ÌÄ¡Áö ¾Ê´Â °ÍÀ¸·Î ÆÇ´ÜµÇ¾ú´Ù.
It is known that the Q/C(Quality Control) in the early age of portland cement concrete(PCC) pavement gives a huge effect on long term pavement performance. Thus, many studies regarding the construction of PCC pavement have focused on how to assure construction quality at the early age stage. Curing is one of the most important factor in Q/C of PCC pavement. Membrane curing that protects the evaporation of moisture by placing an impermeable layer on the slab surface is the most common practice for curing the PCC pavement. In order to improve the membrane curing practice, the rate of curing compound should be optimized. However, the optimum rate of curing compound considering Korean weather and environmental conditions has not been specified in the pavement construction specifications. In this study, a proper application rate was recommended in terms of minimizing evaporation with several full-scale tests where various rates of curing compound have been applied. Four test sites on the expressway were enlisted during the summer of 2002 and 2003. Application rates tested were in the range of $0. The rate of evaporation, the temperature pattern of the slab and the pulse velocity of concrete surface have been monitored at each test construction. The result from this study showed that the rate of current construction was approximately $160ml/m^2$ and that approximately $400ml/m^2$ of curing application was recommended as the proper rate for minimizing the moisture evaporation.
 
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¾ç»ýÁ¦;ÇǸ·¾ç»ý;ÄÜÅ©¸®Æ® Æ÷Àå;Áõ¹ß·®;curing compound;membrane curing;concrete pavement;evaporation;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.7, no.2, 2005³â, pp.45-55
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200515637507109)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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