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Çѱ¹µµ·ÎÇÐȸ / v.7, no.4, 2005³â, pp.79-89
Ãß¿î Áö¿ªÀÇ ½ºÆú¸µ ÆÄ¼Õ »ç·Ê¿¡ °üÇÑ ¿¬±¸
( A Case Study on Spatting Distresses in Cold Regions )
È«½ÂÈ£;À¯Å¼®;±Ç¼ø¹Î;Á¤ÁøÈÆ; Çѱ¹µµ·Î°ø»ç µµ·Î±³Åë±â¼ú¿ø;Çѱ¹µµ·Î°ø»ç µµ·Î±³Åë±â¼ú¿ø;Çѱ¹µµ·Î°ø»ç µµ·Î±³Åë±â¼ú¿ø;Çѱ¹µµ·Î°ø»ç µµ·Î±³Åë±â¼ú¿ø;
 
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¸Å¿ì Å« ±Ô¸ðÀÇ ½ºÆú¸µ ÆÄ¼ÕÀÌ ÁýÁßÀûÀ¸·Î ¹ß»ýÇÑ °­¿øµµ ¿µ¼­Áö¹æ ¿µµ¿°í¼Óµµ·ÎÀÇ ÁÙ´« ÄÜÅ©¸®Æ®Æ÷Àå¿¡ ´ëÇÏ¿© ÇöÀå ¹× ½Ç³» Á¶»ç¸¦ ¼öÇàÇÏ¿´´Ù. ÇöÀå¿¡¼­ À°¾ÈÀ¸·Î ½ºÆú¸µ ÆÄ¼Õ »óŸ¦ Á¶»çÇÏ¿´À¸¸ç, Äھ äÃëÇÏ¿© ½Ç³»¿¡¼­ ÇÒ·Ä ÀÎÀå°­µµ, °ø±Ø·ü, ±×¸®°í Áß¼ºÈ­¿¡ ´ëÇÑ ½ÇÇèÀ» ¼öÇàÇÏ¿´´Ù. ¶ÇÇÑ, ½ºÆú¸µ ÆÄ¼Õ¿¡ ÀÇÇÏ¿© Æ÷ÀåÀÇ ±¸Á¶Àû ¼º´ÉÀÌ ÀúÇϵǾú´ÂÁö¸¦ ¾Ë¾Æº¸±â À§ÇÏ¿© ÁÙ´«ºÎ¿¡¼­ÀÇ ÇÏÁßÀü´Þ·ü°ú ½½·¡ºê Áß¾Ó¿¡¼­ÀÇ µ¿ÀûÁöÁö·ÂÀ» ÃøÁ¤ÇÏ¿´´Ù. Á¶»ç±¸°£ÀÇ ÄÜÅ©¸®Æ® ½½·¡ºê´Â °ø±Ø·üÀÌ »ó´çÈ÷ ³·¾Æ µ¿°áÀ¶ÇØ ÀÛ¿ë¿¡ Å« ¿µÇâÀ» ¹ÞÀº °ÍÀ¸·Î ÆÇ´ÜµÇ¾ú´Ù. µû¶ó¼­, ÀÌ·Î ÀÎÇÏ¿© °Ü¿ïö ´ë±â¿Âµµ°¡ »ó´ëÀûÀ¸·Î ³·Àº Á¶»ç±¸°£¿¡¼­ »ó´çÈ÷ Å« ±Ô¸ðÀÇ ½ºÆú¸µÀÌ ´Ù¼ö ¹ß»ýÇÑ °ÍÀ¸·Î °á·ÐÁö¾îÁ³´Ù.
Field and laboratory investigations were performed for concrete pavement of the Yeongdong Expressway located in western part of the Kangwon Province where lots of the substantially large spatting distresses were found. The spatting distresses were investigated to the naked eye in the field, and splitting tensile strength, air void, and neutralization tests were performed for the cores obtained from the pavement. In addition, load transfers at joints and dynamic bearing capacities at slab centers were measured to identify the lowering of the structural capability of the pavement. It was judged that the investigated concrete slabs were affected by freezing and thawing action because the air voids of the cores were substantially low. Therefore, it was concluded that the low air voids affected the lots of the large spatting distress in the pavement located in the region of cold winter.
 
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ÁÙ´« ÄÜÅ©¸®Æ®Æ÷Àå;½ºÆú¸µ;µ¿°áÀ¶ÇØ;°ø±Ø;jointed concrete pavement;spalling;freezing and thawing;air void;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.7, no.4, 2005³â, pp.79-89
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200515637509459)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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