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Çѱ¹Áö¹Ý°øÇÐȸ / v.26, no.7, 2010³â, pp.71-80
ÇöÀåµµ·Î ¸ðÇü½ÇÇèÀ» ÀÌ¿ëÇÑ Æ÷À屸¼ºÃþÀÇ µ¿°á Ư¼º ºÐ¼®
( The Freezing Characteristics of Pavement Layer Using the Field Road Model Test )
½ÅÀºÃ¶;·ùº´Çö;¹ÚÁ¤ÁØ; ÀÎõ´ëÇб³ °Ç¼³È¯°æ°øÇаú;ÀÎõ´ëÇб³ °Ç¼³È¯°æ°øÇаú;ÀÎõ´ëÇб³ °Ç¼³È¯°æ°øÇаú;
 
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Áö¸®ÇÐÀû Ư¼ºÀ¸·Î ±¹³»´Â °èÀý µ¿ÅäÁö¿ªÀ¸·Î °Ü¿ïö¿¡´Â µ¿»óÇö»óÀÌ ¹ß»ýÇÏ°í º½Ã¶¿¡´Â Áö¹ÝÀÌ ÇØºùµÈ´Ù. µµ·Î´Â ´Ù¾çÇÑ Àç·á¿Í ´Ü¸éÀ¸·Î ±¸¼ºµÈ ±¸Á¶¹°À̱⠶§¹®¿¡ ȯ°æ¼º°ú Àç·á ¹°¼º»Ó¸¸ ¾Æ´Ï¶ó Æ÷Àåü °¢ ÃþÀÇ ±¸Á¶Àû ÀûÁ¤¼º ¶Ç´Â ÁöÁö·ÂÀ» ÆÄ¾ÇÇÏ´Â °ÍÀÌ ¹«¾ùº¸´Ù Áß¿äÇÏ´Ù. ÇöÀç ±âÁ¸ µ¿»ó¹æÁöÃþ ¼³°è¹ý¿¡ µû¸£¸é, µ¿»ó¹æÁöÃþÀº Æ÷ÀåüÀÇ ±¸Á¶Àû ÀûÁ¤¼º°ú´Â ¹«°üÇÏ°Ô ¿ÂµµÁ¶°Ç¿¡ µû¸¥ µ¿°á±íÀÌ¿¡ µû¶ó ÀÏ·üÀûÀ¸·Î °áÁ¤µÇ°í ÀÖ´Ù. ÀÌ·¯ÇÑ µ¿°á±íÀ̸¦ Æ÷À屸Á¶¼³°è¿¡ Àû¿ëÇÔÀ¸·Î½á Æ÷ÀåÀÇ °ú´Ù¼³°è ¿ì·Á°¡ ÀÖ´Ù. µû¶ó¼­ º» ³í¹®¿¡¼­´Â ³ë»óÃþ, µ¿»ó¹æÁöÃþ, º¸Á¶±âÃþÀÇ ¿ªÇÐÀû ½ÇÇèÀ» ½Ç½ÃÇÏ¿© µ¿»ó¹Î°¨¼ºÀ» ÆÇ´ÜÇÏ°í ½Ç±Ô¸ð ÇöÀåµµ·Î ¸ðÇüÃà¼Ò ½ÇÇèÀ» ½Ç½ÃÇÏ¿´´Ù. µ¿»ó¹Î°¨¼ºÀ» ÆÇ´ÜÇϱâ À§ÇÏ¿© ÅäÃþº° ¿Âµµ, µ¿°áÆØÃ¢·®, ºÎµ¿¼öºÐ ¹× µ¿°á±íÀ̸¦ ÃøÁ¤ÇÏ¿´´Ù.
Korea is considered to be a seasonal frozen soil area that thaws in the spring, and freezes in winter. In the current design codes for anti-freezing layer, the thickness of anti-freezing layer is calculated by the depth frozen due to the temperature condition. Therefore, there is a tendency of over-design and applying uniform thickness without the consideration of thermal stability, bearing capacity and frost susceptibility of materials. So, it is essential to study the structural appropriateness of pavement layer and bearing capacity besides the seasonal and mechanical properties of pavement materials to take an appropriate and reasonable design of the road structure. In this paper, the evaluation of frost susceptibility on subgrade, ant-freezing layer, subbase was conducted by means of the mechanical characteristics and model experiment. The temperature, heaving amount, unfrozen water contents and freezing depth of soil samples, the subgrade, anti-freezing layer, subbase soils of road construction site were measured to determine the frost susceptibility.
 
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Anti-freezing layer;Field road model test;Frost-heaving;Frost susceptibility soil;Unfrozen water contents;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.26, no.7, 2010³â, pp.71-80
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201033062364987)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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