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Çѱ¹µµ·ÎÇÐȸ / v.3, no.3, 2001³â, pp.147-158
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ÄÜÅ©¸®Æ®Æ÷Àå¿¡¼ ÇÏÁßÀü´ÞÈ¿°ú ¿µÇâÀÎÀÚ ¿¬±¸
( A Study on Effect Factor of Load Transfer Efficiency in Concrete Pavement ) |
| ¾çÈ«¼®;¼¿µÂù;±Ç¼ö¾È; Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø Åä¸ñ¿¬±¸ºÎ;ÇѾç´ëÇб³ ±³Åë°øÇаú;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø Åä¸ñ¿¬±¸ºÎ;
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| ÄÜÅ©¸®Æ®Æ÷ÀåÀÇ ±¸Á¶Àû ´É·ÂÀ» Æò°¡ÇÏ´Â °¡Àå Áß¿äÇÑ ¿ä¼Ò ÁßÀÇ Çϳª´Â ÇÏÁßÀü´ÞÈ¿°úÀÌ´Ù. ÇÏÁßÀü´ÞÈ¿°ú´Â ½½·¡ºê »ó ÇϺΠ¿ÂµµÂ÷, ´Ù¿ì¿ù¹Ù ½Ã°ø¿©ºÎ, Æ÷Àå ³ëÈĵµ, ±×¸®°í ±Õ¿Æ´ µî¿¡ ¿µÇâÀ» ¹Þ´Â´Ù. º» ¿¬±¸ÀÇ ¸ñÀûÀº ÄÜÅ©¸®Æ® Æ÷ÀåÀÇ ÇÏÁßÀü´ÞÈ¿°ú Ư¼ºÀ» ÆÄ¾ÇÇϰí ÇÏÁßÀü´ÞÈ¿°ú¿¡ ¿µÇâÀ» ÁÖ´Â ¿ä¼Ò¸¦ Á¤·®ÈÇϰí ÀûÀýÇÑ ÇÏÁßÀü´ÞÈ¿°ú Á¶»ç¹æ¹ýÀ» Á¦½ÃÇÏ´Â °ÍÀÌ´Ù. ¿¬±¸°á°ú ÇÏÁßÀü´ÞÈ¿°ú´Â ½½·¡ºê Ç¥¸é¿Âµµ°¡ ¾Æ´Ñ ½½·¡ºê Æò±Õ¿Âµµ ¿µÇâÀ» ¹Þ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ÇÏÁßÀü´ÞÈ¿°ú´Â ¿Âµµ°¡ ³»·Á°¡°í ±Õ¿Æ´ÀÌ ¹ú¾îÁú¼ö·Ï °¨¼ÒÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ´Ù¿ì¿ù¹Ù¸¦ ½Ã°øÇÑ ±¸°£ÀÇ °æ¿ì ¿Âµµº¯È¿¡ µû¶ó ÇÏÁßÀü´ÞÈ¿°ú´Â Å« Â÷À̸¦ º¸ÀÌÁö ¾ÊÀº ¹Ý¸é, ´Ù¿ì¿ù¹Ù¸¦ ½Ã°øÇÏÁö ¾ÊÀº ±¸°£¿¡¼´Â ¿Âµµ°¡ ³»·Á°¥¼ö·Ï ÇÏÁßÀü´ÞÈ¿°ú´Â ±Þ°ÝÈ÷ °¨¼ÒÇÏ¿´´Ù. ´Ù¿ì¿ù¹Ù¸¦ ½Ã°øÇÑ ±¸°£ÀÌ¶óµµ Æ÷ÀåÀÌ ³ëÈÄȵǸé ÇÏÁßÀü´ÞÈ¿°ú´Â ¿Âµµ°¡ Ç϶ôÇÔ¿¡ µû¶ó °¨¼ÒÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. º» Á¶»ç´ë»ó ±¸°£¿¡¼´Â ½½·¡ºê ´ÜÀ§¿Âµµ Ç϶ô½Ã ÇÏÁßÀü´ÞÈ¿°ú´Â 1.4% °¨¼ÒÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. |
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| One of the most important factors accounting for the structural capacity of concrete pavement is load transfer efficiency. Load transfer efficiency is affected by slab temperature gradient, construction of dowel bars, degree of aging, and crack width. The purpose of this study is to determine the patterns of load transfer efficiency of concrete pavement; to determine the factors that affect the load transfer efficiency; and to present the proper measuring method of load transfer efficiency. As a result from this study, load transfer efficiency was affected primarily by the average temperature in concrete slab. Load transfer efficiency decreased with decreasing temperature and increasing crack width. For the sections with dowel bars, there were little differences in load transfer efficiency regardless of temperature changes. For the sections without dowel bars, however, there on great losses of load transfer efficiency at low temperatures. For the old pavement, even in the sections with dowel bars, the load transfer efficiency reduced as the temperature dropped For the sections in this study, 1.4% reduction of the load transfer efficiency was observed for each $1^{circ}C$ drop in the slab temperature. |
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| Ű¿öµå |
| ¹«±ÙÄÜÅ©¸®Æ®Æ÷Àå;±¸Á¶Àû ÁöÁö·Â;ÇÏÁßÀü´ÞÈ¿°ú;¿Âµµº¯È;jointed concrete pavement;structural capacity;load transfer efficiency temperature variation; |
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Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.3, no.3, 2001³â, pp.147-158
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200115637535387)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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