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Çѱ¹Áö¹Ý°øÇÐȸ / v.24, no.12, 2008³â, pp.41-52
Back-to-Back º¸°­Åä ¿Ëº®ÀÇ ÇÏÁßÁöÁö Ư¼º
( Load Carrying Capacity of Back-to-Back Reinforced Soil Walls )
À¯Ãæ½Ä;±è¼±ºó; ¼º±Õ°ü´ëÇб³ °Ç¼³È¯°æ½Ã½ºÅÛ°øÇаú;¼º±Õ°ü´ëÇб³ °Ç¼³È¯°æ½Ã½ºÅÛ°øÇаú;
 
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º» ³í¹®¿¡¼­´Â µµ·Î ȤÀº öµµ ºÐ¾ß ¿Ëº® ½Ã°ø¿¡ ¸¹ÀÌ Àû¿ëµÇ´Â Back-to-Back (BTB) ¿Ëº® ÇüÅÂÀÇ º¸°­Åä ¿Ëº®ÀÇ ÇÏÁß ÁöÁö Ư¼ºÀ» ´Ù·ç¾ú´Ù. À̸¦ À§ÇØ FHWA ¼³°è ±âÁØ¿¡¼­ ±¸ºÐÇϰí ÀÖ´Â µÎ °¡Áö ½Ã°ø Á¶°Ç¿¡ ´ëÇÑ ¸ðÇü º¸°­Åä ¿Ëº®À» ±¸ÃàÇÏ°í º¸°­Àç Æ÷¼³±æÀ̸¦ ÁÖ º¯¼ö·Î ÇÏ¿© »óºÎ¿¡ »óÀçÇÏÁßÀ» ÆÄ±« ½Ã±îÁö ÀçÇÏÇÏ´Â ¹æ¹ýÀ¸·Î ´Ù¾çÇÑ Á¶°Ç¿¡ ´ëÇÑ ¸ðÇü½ÇÇèÀ» ¼öÇàÇÏ¿´´Ù. ½ÇÇè °á°ú¿¡ ´ëÇÑ ºÐ¼® °á°ú Á ¿ì ¿Ëº®ÀÇ º¸°­Àç°¡ ÁßøµÇÁö ¾Ê´Â ½Ã°ø Á¶°ÇÀÇ °æ¿ì º¸°­ÀçÀÇ ±æÀÌ¿¡ µû¸¥ ¿Ëº®ÀÇ °Åµ¿ÀÌ ÀϹݿ˺®°ú À¯»çÇÑ °Åµ¿À» º¸ÀÌ´Â °ÍÀ¸·Î ³ªÅ¸³µÀ¸³ª º¸°­ÀçÀÇ ±æÀ̰¡ ÁßøµÇ´Â °æ¿ì¿¡´Â º¸°­ÀçÀÇ ±æÀÌ¿¡ µû¸¥ º¯È­°¡ ±×´ÙÁö Å©Áö ¾ÊÀ¸¸ç º¸°­ÀçÀÇ ±æÀÌ¿¡ À־ Æþº®³ôÀÌ ´ëºñ 50% ÀÌÇÏÀÇ °æ¿ì ÇÏÁßÁöÁö·ÂÀÌ ÇöÀúÈ÷ °¨¼ÒÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
This paper concerns the load carrying capacity of back-to-back reinforced soil wall for use in roadway and railway construction. Two test conditions, designed with due consideration of the FHW A design guideline, were first developed and a number of cases having different reinforcement lengths were tested under a surchage loading until failure. The results indicated that for cases in which two sides of reinforcements do not overlap, the wall behavior was similar to those of single wall. For cases in which the reinforcements overlap each other, on the other hand, the load carrying capacity of the wall significantly decreased when reinforced with reinforcement layers having lengths less than 50% of the wall height.
 
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Back to back reinforced wall;Failure mechanism;Geosynthetics;Load carrying capacity;Reduced-scale model test;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.24, no.12, 2008³â, pp.41-52
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200806942466053)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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