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Çѱ¹µµ·ÎÇÐȸ / v.8, no.1, 2006³â, pp.131-138
°øÇ× ÄÜÅ©¸®Æ® Æ÷ÀåÀÇ ÀÜÁ¸¼ö¸í »êÃâ ³í¸® °³¼± ¿¬±¸
( Development of a Procedure for Remaining Life Estimation in Airfield Concrete Pavement )
±Ç¼ö¾È;¼­¿µÂù;Á¶¿ëÁÖ; Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø µµ·Î¿¬±¸ºÎ;ÇѾç´ëÇб³ ±³Åë°øÇаú;ÇѾç´ëÇб³ ±³Åë°øÇаú;
 
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°øÇ× ÄÜÅ©¸®Æ® Æ÷ÀåÀº ¼³°è±âÁØÀ» ¿ª¼øÀ¸·Î Çϰųª, FWD Àåºñ·ÎºÎÅÍ ¾ò¾îÁø ź¼º °è¼ö¸¦ ±Ù°Å·Î Æ÷ÀåüÀÇ ÀÜÁ¸¼ö¸íÀ» ÃßÁ¤ÇÏ¿© ¿Ô¾ú´Ù. ±×·¯³ª FWD·ÎºÎÅÍ ¾ò¾îÁø ź¼º°è¼ö °ªÀº ¿ª»ê ¹æ¹ý¿¡ µû¶ó º¯µ¿¼ºÀÌ ½ÉÇϹǷΠÀÜÁ¸¼ö¸íÀÇ Àϰü¼ºÀÌ °á¿©µÈ ÇѰ谡 ÀÖ´Ù. ¶ÇÇÑ ±¸Á¶Àû Ãø¸é¸¸ °í·ÁÇÏ¿© Æ÷ÀåÀÇ »óŸ¦ Æò°¡ÇϹǷÎ. ±â´ÉÀû Ãø¸éÀ» ¹Ý¿µÇÏÁö ¸øÇÏ´Â ÇѰ谡 ÀÖ¾ú´Ù. µû¶ó¼­ º» ¿¬±¸¿¡¼­´Â °øÇ× ÄÜÅ©¸®Æ® Æ÷ÀåÀÇ ÀÜÁ¸¼ö¸í »êÃâ¿¡ À־ ±¸Á¶Àû Ãø¸é ¹× ±â´ÉÀû Ãø¸é ¸ðµÎ¸¦ °í·ÁÇÏ´Â ³í¸®¸¦ Á¦½ÃÇÏ¿´À¸¸ç, °¢ ³í¸®º° ¼¼ºÎ ÀýÂ÷º°¿¡ À־ÀÇ ±âÁØ ¹× ¸ðµ¨ Àû¿ëÀ» Á¦¾ÈÇÏ¿´´Ù ±¸Á¶Àû ÀÜÁ¸¼ö¸í ÃßÁ¤ ³í¸®¸¦ °³¼±Çϱâ À§ÇØ ¿À·¡µÈ °øÇ×À» ´ë»óÀ¸·Î ÇÏ¿© ÇÏÁßÀ» ¹ÞÀº ±¸°£°ú ¹ÞÁö ¾ÊÀº ±¸°£¿¡¼­ÀÇ ÀÜÁ¸¼ö¸í ÃßÁ¤ ÀÎÀÚ ¼±Á¤À» À§ÇÑ ½ÇÇèÀ» ½Ç½ÃÇÏ¿´´Ù. ±× °á°ú ±âÁ¸¿¡ ÁÖ·Î »ç¿ëµÇ¾î ¿Ô´ø ź¼º°è¼öº¸´Ù´Â ÇÏÁßÀü´ÞÈ¿À²ÀÌ ÀÜÁ¸¼ö¸í ÃßÁ¤ ÀÎÀÚ·Î ±Ô¸íµÇ¾ú´Ù. »õ·Ó°Ô °³¹ßÇÑ ÀÜÁ¸¼ö¸í ÃßÁ¤ ³í¸® ¹× ¼¼ºÎ ¸ðÇüµéÀÇ ÇöÀå Àû¿ë¼ºÀ» ÆÄ¾ÇÇϱâ À§ÇÏ¸ç ¿À·¡µÈ °øÇ× ÇÑ °³¼Ò¸¦ ¼±Á¤ÇÏ¿´´Ù. »õ·Î¿î ³í¸®¿¡ µû¶ó ÇöÀå ½ÇÇè ¹× ºÐ¼®À» ¼öÇàÇÑ °á°ú ½Ç¹«¿¡ Àû¿ëÇϴµ¥ ¹«¸®°¡ ¾øÀ½À» ¾Ë ¼ö ÀÖ¾ú´Ù.
Methods of back calculation for either design procedures or elastic moduli obtained from FWD(Falling Weight Deflectometer) tests have widely been used to predict remaining life of airfield concrete pavements. Since the variation of the elastic modulus obtained from the FWD test depends on the back calculation methods, prediction of remaining life of airfield pavement using the back calculation method has not been reliable. In addition, the FWD method only concentrates on the structural integrity of the pavement without considering functional distress. In this study, a newly developed remaining life estimation procedure is proposed. This methodology includes both structural and functional consideration and suggests models and decision criteria for each stage. In order to improve the estimation procedure on remaining life of pavement, conducted the several tests on an old airfield concrete pavement. As a result, it is concluded that the load transfer efficiency on joint is better for predicting remaining life of pavement than the elastic modulus, which is commonly used. In order to verify applicability of the newly developed estimation procedure and detailed models, investigation and analysis were conducted according to the new methodology on C-airfield pavement. Finally, it is confirmed that the efficiency of the proposed method for practical application was good enough.
 
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°øÇ× ÄÜÅ©¸®Æ® Æ÷Àå;ÀÜÁ¸¼ö¸í;airfield concrete pavement;remaining life;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.8, no.1, 2006³â, pp.131-138
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200617033452790)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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