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Çѱ¹Áö¹Ý°øÇÐȸ / v.18, no.4, 2002³â, pp.7-19
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±âÃÊÁö¹ÝÀÇ °¼ºÀÌ º¸°Åä ¿Ëº®ÀÇ °Åµ¿¿¡ ¹ÌÄ¡´Â ¿µÇâ
( Effect of Foundation Stiffness on Behavior of Soil-reinforced Segmental Retaining Walls ) |
| À¯Ãæ½Ä;±èÁÖ¼®; ¼º±Õ°ü´ëÇб³ °ÇÃࡤÁ¶°æ ¹× Åä¸ñ°øÇкÎ;»ïº¸±â¼ú´Ü, Áö¹Ý°øÇкÎ;
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| º» ³í¹®¿¡¼´Â ±âÃÊÁö¹ÝÀÇ °¼ºÀÌ ºí·Ï½Ä º¸°Åä ¿Ëº®ÀÇ °Åµ¿¿¡ ¹ÌÄ¡´Â ¿µÇâ¿¡ ´ëÇÑ ³»¿ëÀ» ´Ù·ç¾ú´Ù. ±âÃÊÁö¹ÝÀÇ °¼ºÀÌ ºí·Ï½Ä º¸°Åä ¿Ëº®ÀÇ °Åµ¿¿¡ ¹ÌÄ¡´Â ±Ùº»ÀûÀÎ ¸ÞÄ«´ÏÁòÀ» °íÂûÇϱâ À§ÇØ º¸°Åä ¿Ëº®¿¡ ´ëÇÑ Ãà¼Ò¸ðÇü½ÇÇèÀ» ¼öÇàÇÏ¿´À¸¸ç Ãà¼Ò¸ðÇü½ÇÇè °á°úÀÇ Å¸´ç¼ºÀ» °ËÅäÇÏ°í ¸ðÇü½ÇÇè¿¡¼ ´Ù·ê ¼ö ¾ø¾ú´ø ´Ù¾çÇÑ Á¶°ÇÀ» °í·ÁÇÔ°ú ¾Æ¿ï·¯¼ ÇöÀå¿Ëº® ÀÀ·Â¼öÁØÀÇ °Åµ¿À» °íÂûÇϱâ À§ÇØ °¡»óÀÇ ÇöÀå¿Ëº®¿¡ ´ëÇØ À¯ÇÑ¿ä¼ÒÇØ¼®À» ÀÌ¿ëÇÑ ¸Å°³º¯¼ö ¿¬±¸¸¦ ¼öÇàÇÏ¿´´Ù. ¸ðÇü½ÇÇè ¹× À¯ÇÑ¿ä¼ÒÇØ¼® °á°ú¿¡ ÀÇÇÏ¸é ±âÃÊÁö¹ÝÀÇ °¼ºÀÌ °¨¼ÒÇÒ¼ö·Ï º®Ã¼ÀÇ º¯À§´Â ÇöÀúÈ÷ Áõ°¡Çϸç, ÀÌ·¯ÇÑ º®Ã¼º¯À§ Áõ°¡ Çö»óÀº º¸°Åäü ³»ºÎº¯Çüº¸´Ù´Â º¸°ÅäüÀÇ °Ã¼ °Åµ¿À¸·Î ÀÎÇØ ¾ß±âµÇ´Â ¸ÞÄ«´ÏÁòÀ» º¸ÀÌ´Â °ÍÀ¸·Î ³ªÅ¸³ª ±âÃÊÁö¹Ý¿¡ °ü·ÃµÈ ¹®Á¦¸¦ ¿ÜÀû¾ÈÁ¤¼ºÀÇ °³³ä¿¡¼ ´Ù·ç°í ÀÖ´Â Çö ¼³°è±âÁØÀº Ÿ´çÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. º» ³í¹®¿¡¼´Â ¸ðÇü½ÇÇè ¹× À¯ÇÑ¿ä¼ÒÇØ¼® °á°ú¸¦ Á¾ÇÕÇÏ¿© ½Ç¹«Àû Ãø¸é¿¡¼ÀÇ Á߿伺À» ´Ù°¢ÀûÀ¸·Î °íÂûÇÏ¿´´Ù. |
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| This paper presents the results of an investigation on the effect of foundation stiffness on the performance of soil-reinforced segmental retaining walls (SRWalls). Laboratory model tests were performed using a reduced-scale physical model to capture the fundamentals of the manner in which the foundation stiffness affects the behavior of SRWalls. A series of finite-element analyses were additionally performed on a prototype wall in order to supplement the findings from the model tests and to examine full-scale behavior of SRWalls encountered in the field. The results of the present investigation indicate that lateral wall displacements significantly increase with the decrease of the foundation stiffness. Also revealed is that the increase in wall displacements is likely to be caused by the rigid body movement of the reinforced soil mass with negligible internal deformation within the reinforced soil mass. The findings from this study support the current design approaches, in which the problem concerning the foundation condition are treated in the frame work of the external stability rather than the internal stability. The implications of the findings from this study to current design approaches are discussed in detail. |
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| Ű¿öµå |
| Finite element analysis;Geogrid;Laboratory model test;Mechanically stabilized earth wall;Soil-reinforced segmental retaining wall; |
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Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.18, no.4, 2002³â, pp.7-19
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200211921341887)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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