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Çѱ¹µµ·ÎÇÐȸ / v.13, no.1, 2011³â, pp.139-148
Á¢Âø½Ä ÄÜÅ©¸®Æ® µ¡¾º¿ì±â °ø¹ýÀ» À§ÇÑ ÃÊ¼Ó°æ ¾ÆÅ©¸±°è Æú¸®¸Ó °³Áú ÄÜÅ©¸®Æ®ÀÇ Àû¿ë¼º ¿¬±¸
( A Study on the Application of Very Rapid Hardening Acrylic Polymer Modified Concrete for Bonded Concrete Overlay Method )
À̽¿ì;±è¿µ±Ô;ÀÌdzÈñ; °­¸ª¿øÁÖ´ëÇб³ Åä¸ñ°øÇаú;°­¸ª¿øÁÖ´ëÇб³ Åä¸ñ°øÇаú;(À¯)±Ý¿µÅä°Ç;
 
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±¹³»ÀÇ °æ¿ì ³ëÈÄÈ­µÈ ÄÜÅ©¸®Æ® Æ÷Àå¿¡ ´ëÇÑ ÀϹÝÀûÀÎ À¯Áöº¸¼ö °ø¹ýÀ¸·Î ¾Æ½ºÆÈÆ® µ¡¾º¿ì±â °ø¹ýÀÌ »ç¿ëµÇ°í ÀÖ´Ù. ±×·¯³ª ±âÁ¸ ÄÜÅ©¸®Æ® Æ÷ÀåÀÇ ¼ö¸íÀ» ¿¬Àå½Ã۱â À§ÇÑ ¾Æ½ºÆÈÆ® µ¡¾º¿ì±â °ø¹ýÀÇ °æ¿ì, ±âÁ¸ Æ÷Àå°úÀÇ ¹°¸®Àû Ư¼ºÀÌ »óÀÌÇÏ¿© ¹Ý»ç±Õ¿­, Æ÷ƮȦ ¹× ¼Ò¼ºº¯Çü µîÀÇ ´Ù¾çÇÑ Æ÷Àå ÆÄ¼ÕÀÌ ¹ß»ýÇϰí ÀÖ´Â ½ÇÁ¤ÀÌ´Ù. ÀÌ¿Í °°Àº ¹®Á¦Á¡À» ÇØ°áÇϱâ À§ÇÏ¿© ¾Æ½ºÆÈÆ® µ¡¾º¿ì±â °ø¹ýÀ» ´ëóÇϱâ À§ÇÑ ¹æ¾ÈÀ¸·Î ÄÜÅ©¸®Æ® µ¡¾º¿ì±â °ø¹ýÀÇ Àû¿ëÀÌ ¿ä±¸µÇ°í ÀÖ´Â ½ÇÁ¤ÀÌ´Ù. ÄÜÅ©¸®Æ® µ¡¾º¿ì±â °ø¹ýÀº »ç¿ë ¿¬ÇÑÀÌ ±æ°í, ÁßÂ÷·®¿¡ ´ëÇÑ ÁöÁö·ÂÀÌ ¿ì¼öÇϸç, ¼Ò¼ºº¯ÇüÀÌ ¹ß»ýÇÏÁö ¾ÊÀ¸¹Ç·Î À¯Áöº¸¼ö ºóµµ ¹× À¯Áö°ü¸®ºñ¸¦ ÇöÀúÈ÷ ÁÙÀÏ ¼ö ÀÖ´Â ÀåÁ¡ÀÌ ÀÖ´Ù. ÇÏÁö¸¸ ºñ±³Àû ±ä ¾ç»ý±â°£À¸·Î ÀÎÇÏ¿© ¿ìȸµµ·Î °¡¼³ ¹× ±³ÅëÅëÁ¦ µîÀÇ ±â¼úÀûÀÎ ¹®Á¦°¡ ¹ß»ýÇÑ´Ù. µû¶ó¼­ º» ¿¬±¸¿¡¼­´Â ÃæºÐÇÑ ÀÛ¾÷¼º È®º¸ ¹× ½Å¼ÓÇÑ ±³Åë°³¹æÀ» À§ÇÏ¿© ÃÊ¼Ó°æ ¾ÆÅ©¸±°è Æú¸®¸Ó °³Áú ÄÜÅ©¸®Æ®¸¦ »ç¿ëÇÏ¿© ÀÛ¾÷¼º, ³»±¸¼º ¹× ȯ°æÀúÇ×¼º¿¡ ´ëÇÑ Æò°¡¸¦ ÅëÇÑ Á¢Âø½Ä ÄÜÅ©¸®Æ® µ¡¾º¿ì±â °ø¹ýÀÇ Àû¿ë¼ºÀ» °ËÅäÇÏ¿´´Ù. Á¶±â ±³Åë°³¹æ Ư¼º Æò°¡¸¦ À§ÇÑ °­µµÃøÁ¤ °á°ú Àç·É 4½Ã°£ ÈÄ ¾ÐÃà°­µµ 21MPa, ºÎÂø°­µµ 1.4MPa¸¦ »óȸÇÏ´Â °á°ú¸¦ È®ÀÎÇÏ¿´´Ù. ¶ÇÇÑ È¯°æÇÏÁß ÀúÇ×¼º ½ÇÇè °á°ú ÀÏ¹Ý Æ÷Ʋ·£µå ½Ã¸àÆ® ÄÜÅ©¸®Æ®¿¡ ºñÇØ ¸Å¿ì ¿ì¼öÇÏ¿© ³»±¸¼ºÀ» È®º¸ÇÒ °ÍÀ¸·Î ÆÇ´ÜÇÏ¿´´Ù. µû¶ó¼­ º» ¿¬±¸¸¦ ÅëÇÏ¿© ÃÊ¼Ó°æ ¾ÆÅ©¸±°è Æú¸®¸Ó °³Áú ÄÜÅ©¸®Æ®´Â ´ë±Ô¸ð Á¢Âø½Ä ÄÜÅ©¸®Æ® µ¡¾º¿ì±â °ø¹ý¿¡ ÀûÇÕÇÑ Àç·á·Î½á, ÃæºÐÇÑ ÀÛ¾÷¼º ¹× ½Å¼ÓÇÑ Á¶±â ±³Åë°³¹æÀ» ¿ä±¸ÇÏ´Â À¯Áöº¸¼ö °ø¹ý Àû¿ëÀÌ °¡´ÉÇÒ °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
Asphalt concrete overlay method is used by general maintenance and rehabilitation of construction for aged concrete pavement in Korea. However, in case of the AC overlay method to extend service life of the existing concrete pavements, various distresses of reflection crack, pothole and rutting are the typical problems of the asphalt overlay on existing concrete pavement since it has different physical characteristics between asphalt overlay and existing concrete pavement. To achieve this, application of concrete overlay method is required instead of AC overlay method. Concrete overlay method has advantages that can reduce maintenance cycle and costs since it has excellent bearing value for heavy vehicles and no rutting. However, technical problems of detour road construction, traffic control and other disadvantages happened by long curing time. Thus, in this study and experimental research were launched to evaluate the workability, durability and resistance against environmental loading of Very Rapid Hardening Acrylic Polymer Modified Concrete(VRH-APMC) for application of bonded concrete overlay method. Test results showed that the compressive and bond strength were exceed 21MPa and 1.4MPa of target strength after four hours for rapid traffic opening properties. And tests of resistance against environmental loading results showed that VRH-APMC secured excellent durability. Thus, it was known that VRH-APMC was suitable material for large scale bonded concrete overlay method, and it was possible to use maintenance and rehabilitation method which needs enough workability and rapid traffic opening.
 
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ÃÊ¼Ó°æ ¾ÆÅ©¸±°è Æú¸®¸Ó °³Áú ÄÜÅ©¸®Æ®;Á¢Âø½Ä ÄÜÅ©¸®Æ® µ¡¾º¿ì±â °ø¹ý;ºÎÂø°­µµ;ȯ°æ ÇÏÁß ÀúÇ×¼º;very rapid hardening acrylic polymer modified concrete;bonded concrete overlay method;bond strength;resistance against environmental loading;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.13, no.1, 2011³â, pp.139-148
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ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201117148819902)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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