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Çѱ¹µµ·ÎÇÐȸ / v.10, no.2, 2008³â, pp.229-239
ÇÁ¸®Ä³½ºÆ® ÄÜÅ©¸®Æ® Æ÷ÀåÀÇ ÇÏÁßÀü´Þ ¼º´É ½ÇÇè
( Joint Stiffness Tests for Precast Concrete Pavement )
¾ç¼ºÃ¶;±è¼º¹Î;À¯Å¼®;ÇѽÂȯ; È«ÀÍ´ëÇб³ °ÇÃà°øÇкÎ;°æÈñ´ëÇб³ Åä¸ñ°ÇÃà´ëÇÐ;µµ·Î±³Å뿬±¸¿ø;µµ·Î±³Å뿬±¸¿ø;
 
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ÄÜÅ©¸®Æ® ½½·¡ºê¸¦ °øÀå¿¡¼­ Á¦ÀÛÇÏ¿© µµ·ÎÆ÷ÀåÀÇ ½Å¼³ ¶Ç´Â º¸¼ö¿¡ »ç¿ëÇÏ´Â °ø¹ýÀÎ ÇÁ¸®Ä³½ºÆ® ÄÜÅ©¸®Æ® Æ÷ÀåÀÇ ÇÏÁßÀü´Þ ¼º´ÉÀ» Æò°¡Çϱâ À§ÇÏ¿© ¿¬±¸¸¦ ¼öÇàÇÏ¿´´Ù. ½Ç³»½ÇÇèÀ» ÅëÇØ ´ÙÀ£¹Ù ¿¬°á ºÎºÐÀÇ ±×¶ó¿ìÆÃ È¿°ú¸¦ ÃøÁ¤ÇÒ ¼ö ÀÖ´Â ¹æ¹ýÀ» °í¾ÈÇÏ¿´À¸¸ç ÀÌ·¯ÇÑ ½ÇÇèÀ» À§ÇØ ½ÇÇèü¸¦ Á¦ÀÛÇÏ¿© ½ÇÇèÇÏ¿´´Ù. ½ÇÇèÀ» ¼öÇàÇÑ °á°ú ±×¸®¿ìÆÃÀ» ÇÑ ´ÙÀ£¹ÙÀÇ Àü´Ü°­µµ´Â ÄÜÅ©¸®Æ®¿Í ÀÏü½ÄÀ¸·Î µÈ ´ÙÀ£¹ÙÀÇ Àü´Ü°­µµ¿¡ ºñÇØ ¶³¾îÁöÁö ¾ÊÀ½À» ¾Ë ¼ö ÀÖ¾ú´Ù. À̿﷯ ÇöÀå¿¡¼­ÀÇ ½ÃÇè½Ã°øÀ» ÅëÇØ ¼³Ä¡µÈ º¸¼ö¿ë ÇÁ¸®Ä³½ºÆ® ÄÜÅ©¸®Æ® Æ÷Àå¿¡ ´ëÇØ¼­µµ FWD ½ÃÇèÀ» ½Ç½ÃÇÏ¿© ÇÏÁßÀü´Þ ¼º´ÉÀ» Æò°¡ÇÏ¿´´Ù. ÇöÀå ½ÇÇè °á°ú ±âÁ¸ ÄÜÅ©¸®Æ® Æ÷Àå¿¡ ºñÇØ ½½·¡ºê Á߾Ӻο¡¼­ÀÇ Ã³ÁüÀº ´Ù¼Ò Å©°Ô ³ªÅ¸³ª³ª, ÁÙ´«ºÎ¿¡¼­ÀÇ ÇÏÁßÀü´ÞÀ²Àº °ÅÀÇ À¯»çÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
This paper compares the load transfer efficiency between precast concrete pavement specimen and typical concrete pavement specimen by means of laboratory and field tests. An experimental method was developed to evaluate the load transfer efficiency of the dowel bars buried in the concrete pocket and grouted with cement mortar. The test results showed that the load transfer efficiency of the specimen for the dowel bars repaired with grout was equivalent to that of the control specimen. In addition, a series of FWD field tests were conducted on the precast pavement to evaluate the joint stiffness. The field test results revealed that the central deflection of the precast slab slightly increased but the load transfer efficiencies at the joints were almost the same as those in the typical concrete pavement slab.
 
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Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.10, no.2, 2008³â, pp.229-239
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200824556529003)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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