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Çѱ¹Áö¹Ý°øÇÐȸ / v.21, no.7, 2005³â, pp.21-29
¾ÐÃ༺ÀÌ Å« Áö¹Ý À§¿¡ ½Ã°øµÇ´Â °è´ÜÇü ºí·Ï½Ä º¸°­Åä ¿Ëº®ÀÇ °Åµ¿
( Behavior of a Geosynthetic Reinforced Two-tier Segmental Retaining Wall on a Yielding Foundation )
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º» ³í¹®¿¡¼­´Â ¾ÐÃ༺ÀÌ Å« Áö¹Ý À§¿¡ ½Ã°øµÇ´Â Áö¿À±×¸®µå º¸°­ °è´ÜÇü ºí·Ï½Ä º¸°­Åä ¿Ëº®ÀÇ °Åµ¿ Ư¼º¿¡ °üÇÑ ³»¿ëÀ» ´Ù·ç¾ú´Ù. ´ë»ó¿Ëº®À¸·Î´Â 2´ÜÀ¸·Î ½Ã°øµÇ´Â ³ôÀÌ lOrnÀÇ ºí·Ï½Ä º¸°­Åä ¿Ëº®À» °í·ÁÇÏ¿´À¸¸ç ¾ÐÃ༺ÀÌ Å« Áö¹ÝÀ§¿¡ ½Ã°øµÇ´Â °æ¿ì¸¦ °í·ÁÇÏ¿´´Ù. º» ¿¬±¸´Â °ËÁõµÈ À¯ÇÑ¿ä¼ÒÇØ¼® ¸ðµ¨À» »ç¿ëÇÏ¿© ¼öÇàµÇ¾úÀ¸¸ç ±âÃÊÁö¹ÝÀÇ Ä§Çϰ¡ ¿Ëº®ÀÇ º¯À§ ¹× º¸°­Àç À¯¹ß ÀÎÀå·Â¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ÁýÁßÀûÀ¸·Î ´Ù·ç¾ú´Ù. ¿¬±¸°á°ú ½Ã°øÁß ¹ß»ýÇÏ´Â ±âÃÊÁö¹ÝÀÇ °ú´Ù ħÇÏ´Â ¿Ëº®ÀÇ º¯À§ »Ó ¾Æ´Ï¶ó º¸°­Àç À¯¹ß ÀÎÀå·Â ¶ÇÇÑ ÇöÀúÈ÷ Áõ°¡½ÃÄÑ ³»¡¤¿ÜÀû ¾ÈÁ¤¼º¿¡ Áö´ëÇÑ ¿µÇâÀ» ¹ÌÄ¡´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. º» ³í¹®¿¡¼­´Â ¿¬±¸°á°ú¿Í ¾Æ¿ï·¯ ½Ç¹«Àû °üÁ¡¿¡¼­ÀÇ °í·Á»çÇ× À» ±â¼úÇÏ¿´´Ù.
This paper presents the results of a numerical investigation on the behavior of a geosynthetic reinforced two-tier segmental retaining wall (GR-SRW) on a yielding foundation. A hypothetical 10 m high two tier GR-SRW to be constructed on an incompetent foundation containing a layer of relative soft soil deposit was considered. A verified finite-element procedure was employed to get insights into the effect of foundation yielding on the wall behavior including the wall deformation and the reinforcement load. It is shown that the effect of foundation yielding is to increase the wall deformation as well as the reinforcement load, thus influencing both the internal as well as the external stability of the wall. Practical implications of the findings obtained from this study are highlighted in this paper.
 
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Finite element analysis;Foundation yielding;Reinforced earth;Segmental retaining wall;Tiered wall;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.21, no.7, 2005³â, pp.21-29
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200502637765641)
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