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Çѱ¹µµ·ÎÇÐȸ / v.12, no.3, 2010³â, pp.147-154
Æ÷½ºÆ®ÅÙ¼Ç ÄÜÅ©¸®Æ® Æ÷ÀåÀÇ ÁÙ´« Æø ¼³°è
( Joint Width Design for Post-Tensioned Concrete Pavement )
±èµ¿È£;±æ¿ë¼ö;±èÁø¿õ;À±°æ±¸; (ÁÖ)»ï¿ì¾ÆÀÌ¿¥¾¾ ±â¼ú¿¬±¸¼Ò;°­¿ø´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;°­¿ø´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;°­¿ø´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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Æ÷½ºÆ®ÅÙ¼Ç ÄÜÅ©¸®Æ® Æ÷Àå(PTCP: Post-Tensioned Concrete Pavement)¿¡¼­ °­¼±ÀÇ ±äÀå °£°Ý ¼³°è¿Í ´õºÒ¾î ÁÖ¿ä ¼³°è ÀÎÀڷμ­ ÁÙ´«ÀÇ Ãʱ⠼³°è ÆøÀ» µé ¼ö ÀÖ´Ù. ÁÙ´« ÆøÀÇ °áÁ¤Àº ¼ÒÀ½°ú ½ÂÂ÷°¨¿¡ Á÷Á¢ ¿µÇâÀ» ¹ÌÄ¡¸ç ÃÊ±â ÆøÀÌ °úµµÇÏ°Ô Å©¸é ¼ÒÀ½°ú ½ÂÂ÷°¨¿¡ ¾Ç¿µÇâÀ» ¹ÌÄ¡°Ô µÇ¸ç, ÃÊ±â ÆøÀÌ Áö³ªÄ¡°Ô ÀÛ°Ô µÇ¸é ÇÏÀý±â ¿Âµµ»ó½ÂÀ¸·Î ºí·Î¿ì¾÷ Çö»óÀÌ ¹ß»ýÇÒ ¼ö ÀÖÀ¸¸ç ¶ÇÇÑ °úµµÇÑ ¾ÐÃàÀÀ·Â¿¡ ÀÇÇØ ÁÙ´«ºÎÀÇ ÆÄ¼ÕÀÌ ¹ß»ýÇÒ ¼ö ÀÖ´Ù. µû¶ó¼­ º» ¿¬±¸´Â PTCPÀÇ Ãʱâ ÁÙ´« Æø ¼³°è¸¦ ÃÖÀûÈ­ÇÏ°í ¿Âµµº¯È­¿¡ µû¸¥ ÁÙ´« ÆøÀÇ °Åµ¿À» ºÐ¼®Çϱâ À§ÇÏ¿© ¼öÇàµÇ¾ú´Ù. ½Ã°ø ÈÄ 1³âÀÌ °æ°úÇÑ PTCP ½½·¡ºê¸¦ ´ë»óÀ¸·Î ÁÙ´« Æø¿¡ ´ëÇÑ ½ÇÇèÀ» ¼öÇàÇÏ¿´´Ù. ÄÜÅ©¸®Æ®ÀÇ ¿Âµµ´Â PTCP ½½·¡ºê¿¡ ¿ÂµµÃøÁ¤ ¼¾¼­¸¦ ±íÀ̺°·Î ¼³Ä¡ÇÏ¿© ÃøÁ¤ÇÏ¿´°í, ÁÙ´« ÆøÀÇ ÃøÁ¤Àº ¹ö¾î´Ï¾î͏®ÆÛ½º¸¦ ÀÌ¿ëÇÏ¿© ÇÏ·ç Áß ´Ù¾çÇÑ ½Ã°£´ë¿¡ ÃøÁ¤ÇÏ¿© ¿Âµµ¿Í ÁÙ´« Æø°úÀÇ ¿¬°ü¼ºÀ» ºÐ¼®ÇÏ¿´´Ù. º» ¿¬±¸¸¦ ÅëÇØ ½Ã°øÃʱâ ÃÖÀûÈ­µÈ ÁÙ´« Æø ¼³°è¹æ¾ÈÀ» Á¦½ÃÇÏ¿´´Ù.
In post-tensioned concrete pavement(PTCP), one of the most important design variables is the initial joint width, in addition to the tensioning spacing. The joint width between PTCP slabs directly affects noise and ride quality. If the joint width is too wide, noise increases and ride quality decreases. If the initial joint width is too narrow, on the other hand, under high temperature, PTCP slabs can blow up, or failures near the joint can occur due to excessive compressive stresses. This study was conducted to determine the optimal initial joint width of PTCP and to investigate the joint width behavior under temperature changes. The experiments were performed using one-year-old PTCP slabs. The concrete temperatures were measured using the temperature measurement sensors installed at various depths. The joint widths were measured using vernier-calipers at different times of a day and the relationship between the joint width and temperature was analyzed. From this study, the design methodology to determine the optimal initial joint width of PTCP could be proposed.
 
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Æ÷½ºÆ®ÅÙ¼Ç ÄÜÅ©¸®Æ® Æ÷Àå;ÁÙ´« Æø;¼³°è;post-tensioned concrete pavement;joint width;design;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.12, no.3, 2010³â, pp.147-154
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201033359737081)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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