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Çѱ¹µµ·ÎÇÐȸ / v.7, no.3, 2005³â, pp.79-91
ÄÜÅ©¸®Æ® µµ·Î Æ÷ÀåÀÇ Ãʱ⠿µµ ºÐÆ÷ ºÐ¼®
( Temperature Patterns in Concrete Pavements at Very Early Ages )
±è¼º¹Î;³²Á¤Èñ; °æÈñ´ëÇб³ Åä¸ñ°ÇÃà´ëÇÐ;¹Ì±¹Åػ罺 ¿À½ºÆ¾ ÁÖ¸³´ëÇб³;
 
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Æ÷Ʋ·£µå ½Ã¸àÆ® ÄÜÅ©¸®Æ® µµ·Î Æ÷ÀåÀÇ ¿Âµµ ÆÐÅÏÀ» ÄÜÅ©¸®Æ® Ÿ¼³½ÃºÎÅÍ ÃÖ±Ù¿¡ °³¹ßµÈ Àú·ÅÇϸç ȹ±âÀûÀÎ ¼¾¼­¸¦ ÀÌ¿ëÇÏ¿© ÃøÁ¤ÇÏ¿´À¸¸ç ±× °á°ú¸¦ ºÐ¼®ÇÏ¿´´Ù. ÄÜÅ©¸®Æ® Æ÷ÀåÀÇ ¿Âµµ ÃøÁ¤Àº ¿©·¯ ´Ù¸¥ Áö¿ª¿¡¼­ ¿©·¯ ´Ù¸¥ µÎ²²¸¦ °¡Áø ÄÜÅ©¸®Æ® Æ÷Àå¿¡¼­ ¼öÇàÇÏ¿´´Ù. ÄÜÅ©¸®Æ® Æ÷ÀåÀÇ ¿Âµµ ÆÐÅÏÀº ±íÀ̹æÇâ°ú ÄÜÅ©¸®Æ® Ÿ¼³½Ã°£¿¡ µû¸¥ Á¾¹æÇâÀÇ º¯È­¸¦ °í·ÁÇÏ¿© ºÐ¼®ÇÏ¿´À¸¸ç, Æ÷Àå Ç¥¸éÀÇ ¹Ý»çÀ², ±×´Ã, µ¤À½¸· µîÀÌ ÄÜÅ©¸®Æ® Æ÷ÀåÀÇ ¿Âµµ ÆÐÅÏ¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ºÐ¼®ÇÏ¿´´Ù. º» ¿¬±¸ °á°ú¿¡¼­ ÄÜÅ©¸®Æ®¸¦ Ÿ¼³ÇÑ ³¯ÀÇ ÄÜÅ©¸®Æ® Æ÷ÀåÀÇ ÃÖ°í ¿Âµµ´Â Á¾¹æÇâÀ» µû¶ó Ÿ¼³ ½Ã°£ÀÌ ´Ù¸§À¸·Î ÀÎÇØ »ý±â´Â Â÷À̰¡ µÎµå·¯Áö´Â °ÍÀ» ¾Ë ¼ö ÀÖ¾ú´Ù. ÄÜÅ©¸®Æ®ÀÇ ¿µÁ¡ÀÀ·Â¿Âµµ(zero-stress temperature)´Â Ÿ¼³ÇÑ ³¯ÀÇ ÃÖ°í ¿Âµµ¿Í Á÷Á¢ÀûÀÎ ¿¬°üÀÌ ÀÖÀ¸¹Ç·Î Ÿ¼³ ½Ã°£¿¡ µû¸¥ ÃÖ°í ¿ÂµµÀÇ Â÷ÀÌ´Â ÄÜÅ©¸®Æ® Æ÷ÀåÀÇ °Åµ¿ ¹× ¼º´É¿¡ Å©°Ô ¿µÇâÀ» ¹ÌÄ¥ ¼ö ÀÖ´Ù. ¶ÇÇÑ ÄÜÅ©¸®Æ® Æ÷ÀåÀÇ Ç¥¸é »óÅ (Ç¥¸é »ö»ó, ±×´Ã À¯¹«, µ¤À½¸· À¯¹« µî)µµ ÄÜÅ©¸®Æ® Æ÷ÀåÀÇ ¿Âµµ ÆÐÅÏ¿¡ Å« ¿µÇâÀ» ¹ÌÄ¡´Â ÀÎÀÚÀÎ °ÍÀ¸·Î ºÐ¼®µÇ¾ú´Ù.
The temperature patterns in Portland cement concrete (PCC) pavements were measured and comprehensively analyzed from the beginning of the concrete placement based on the temperature measurement technique developed using innovative and inexpensive temperature measurement sensors. The temperature measurements in PCC pavements were taken at several different locations forvarious slab thicknesses. The concrete temperature patterns in the vertical and longitudinal directions of the pavement were analyzed and the effects of the pavement surface reflectivity, shading, and covering on the concrete temperatures were evaluated. The results of this study showed that the significant differences in the maximum concrete temperatures on the placement day were observed according to the concrete placement time. Since the zero-stress temperature is a function of the maximum concrete temperature on the placement day, the placement time would be an important factor that affects the behavior and performance of concrete pavements. The surface conditions of the pavement, such as the surface color, shading, and covering also affected the temperature patterns in PCC pavements significantly.
 
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ÄÜÅ©¸®Æ® Æ÷Àå;ÄÜÅ©¸®Æ® ¿Âµµ;µ¤À½¸·;±×´Ã;Ç¥¸é ¹Ý»ç;concrete pavement;concrete temperature;covering;shading;surface reflectivity;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.7, no.3, 2005³â, pp.79-91
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200515637506709)
¾ð¾î : ¿µ¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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