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Çѱ¹Áö¹Ý°øÇÐȸ / v.24, no.12, 2008³â, pp.5-12
½îÀϳ×Àϰú °­À罺Ʈ¸³À¸·Î º¸°­µÈ º¹ÇÕº¸°­Åä¿Ëº® ½Ã½ºÅÛÀÇ »ç·Ê¿¬±¸
( A Case Study on the Hybrid Reinforcement Retaining Wall System Reinforced by Soil Nail and Steel Strip )
õº´½Ä;±èÈ«ÅÃ;Á¶Çö¼ö;µµÁ¾³²; ÇѾç´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;ÇѾç´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;µÎ»ê°Ç¼³ Åä¸ñ»ç¾÷º»ºÎ;ÇѾç´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;
 
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Áö¹ÝÀÇ ÁöÁö·ÂÀ» Áõ°¡½ÃŰ´Â º¸°­Åä°ø¹ýÀº ÀϹÝÀûÀ¸·Î »ê¾ÇÁö´ë¿¡¼­ ½ÃÇàµÇ´Â °Ç¼³°ø»ç¿¡ ¾²¿©Áö´Âµ¥, º¸°­Åä ¿Ëº®ÀÇ ³ôÀ̰¡ ÀÏ¹Ý ÆòÁöÀÇ ¼ºÅ䱸Á¶¹°º¸´Ù »ó´çÈ÷ ³ô¾ÆÁö¸ç, ¼ºÅäµµ·ÎÀÇ ½Ã°øÀ̳ª °í¼Óöµµ µî°ú °°Àº ³ôÀº »óÀçÇÏÁßÀ» ÁöÁöÇÏ¿©¾ß ÇÒ °æ¿ì¿¡´Â Áö¹Ý°­¼ºÀ» Å©°Ô Çâ»ó½Ãų ¼ö ÀÖ´Â °ø¹ýÀÇ Àû¿ëÀÌ ¿ä±¸µÈ´Ù. ¶ÇÇÑ, ÀýÅä°ø»ç ÇöÀåÀÇ È¯°æ¹®Á¦ ¹× ´ëÁö°æ°è µîÀÇ ÀÌÀ¯·Î ¿øÁö¹ÝÀÇ ÀýÃë·®À» ÃÖ¼ÒÈ­ ÇÒ ¼ö ÀÖ´Â °ø¹ýÀÌ Áö¼ÓÀûÀ¸·Î ¿ä±¸µÇ°í ÀÖÀ¸¸ç, À̸¦ ¸¸Á·Çϱâ À§ÇÑ ¸¹Àº °ø¹ýµéÀÌ °³¹ßµÇ°í ÀÖ´Â ½ÇÁ¤ÀÌ´Ù. ±×·¯³ª, ÀϹÝÀûÀÎ º¸°­Åä ¿Ëº®ÀÇ °æ¿ì ¿Ëº® ³ôÀÌÀÇ $60{sim}80%$Á¤µµ¿¡ ÇØ´çµÇ´Â º¸°­Àç ±æÀ̰¡ ¿ä±¸µÇ¾î ÀýÅäÇöÀå¿¡ Àû¿ëÇϴµ¥ ¾î·Á¿òÀÌ ÀÖ´Ù. ¶ÇÇÑ, ±Ù·¡¿¡ µé¾î ¿ëÁö°æ°è È®º¸¿Í ¼ºÅ䱸Á¶¹°ÀÇ ¾ÈÁ¤¼º È®º¸ µî Á¦ÇÑÀûÀÎ ¹üÀ§¿¡¼­ Àû¿ëµÇ´ø º¸°­Åä ¿Ëº®°ø¹ýÀÌ Ãß°¡ º¸°­À縦 º´Çà, »ç¿ëÇÔÀ¸·Î½á ÀýÅä°ø»ç ÇöÀå¿¡µµ Á¡Â÷ Àû¿ëµÇ´Â »ç·Ê°¡ Áõ°¡Çϰí ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â º¸°­Åä ¿Ëº®ÀÇ º¸°­Àç ±æÀ̸¦ ÁÙÀÌ´Â ´ë¼±¿¡ ½îÀϳ×Àϸµ °ø¹ý°ú °°Àº »ç¸éº¸°­°ø°ú ¿¬°áÇÏ¿© ÃæºÐÇÑ ÀúÇ×·ÂÀ» È®º¸ÇÒ ¼ö ÀÖµµ·Ï ½îÀϳ×Àϰú °­À罺Ʈ¸³À¸·Î º¸°­µÈ º¹ÇÕº¸ °­Åä¿Ëº® ½Ã½ºÅÛÀÇ ¼³°è ¹× ½Ã°ø»ç·Ê¸¦ ¼Ò°³ÇÏ°í ½ÇÁ¦ ÇöÀå¿¡¼­ ÃøÁ¤µÈ °èÃøÀڷḦ ÅëÇØ º¹ÇÕº¸°­Åä¿Ëº® ½Ã½ºÅÛÀÇ Àû¿ë °¡´É¼ºÀ» °ËÅäÇÏ¿´´Ù.
The reinforced earth wall, which is able to improve the strength of soil highly, is required in case of supporting high surcharge load such as high speed rail way, high embankment road, and massive reinforced earth wall in a mountainous area. And also, it is continuously required that the method is able to minimize the amount of excavated soil on account of environmental issue, boundary of land, etc., on excavation site. However, because the required length of reinforcement should be $60{sim}80%$ of the height of reinforced earth wall for general reinforced earth wall, in fact the reinforced earth wall is hardly applied on the site of cut slope. In this paper we studied the design and construction cases of hybrid reinforcement retaining wall system combined with steel strips and soil nails, connecting the reinforced earth wall reinforcements to the slope stability reinforcements (soil nails) to ensure sufficient resistance by means of reducing the length of reinforcements of reinforced earth wall. And the feasibility of hybrid reinforcement retaining wall system, suggested by real data measured on site, is also discussed.
 
Ű¿öµå
Hybrid retaining wall system;Soil nail;Steel strip;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.24, no.12, 2008³â, pp.5-12
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200806942465960)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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