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Çѱ¹Áö¹Ý°øÇÐȸ / v.24, no.2, 2008³â, pp.27-36
È븷À̺®Ã¼ÀÇ º¯ÇüÇØ¼®¿¡ °üÇÑ ¿¬±¸
( A Study on Deformation Analysis of the Earth Retaining Wall )
À̼Û;±è¼º±¸; ¼­¿ï½Ã¸³´ëÇб³ Åä¸ñ°øÇаú;¼­¿ï½Ã¸³´ëÇб³ Åä¸ñ°øÇаú;
 
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3Â÷¿ø ¼öÄ¡ÇØ¼®¿¡ ÀÇÇØ ±¼Âø¸éÀûºñ(L/B)ÀÎ ±¼Âø Æø B¿Í ±¼Âø¸éÀÇ ±æÀÌ LÀÇ º¯È­¿¡ µû¸¥ È븷À̺®Ã¼ÀÇ º¯À§¸¦ ºñ±³ÇÏ¿© Áö¹Ý±¼ÂøÀÇ ±âÇÏÇÐÀû Çü»óÀÇ Â÷ÀÌ¿Í °ü·ÃµÈ ¿µÇ⼺À» ºÐ¼®ÇÏ¿´´Ù. È븷À̺®Ã¼ÀÇ º¯À§´Â µ¿ÀÏÇÑ ±¼Âø ÆøÀ» ±âÁØÀ¸·Î ±¼Âø¸éÀÇ ±æÀÌ LÀÌ Áõ°¡ÇÔ¿¡ µû¶ó Áõ°¡ÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³ª¸ç, ±¼Âø´Ü¸éÄ¡ Á߾Ӻο¡¼­ ¹ÌÀåºÎÀç°¡ ÆóÇյǴ °¡¼³±¸Á¶Ã¼°è°¡ Çü¼ºµÇ´Â ¸ð¼­¸®ºÎ·Î °¥¼ö·Ï È븷À̺®Ã¼¿Í ¶ìÀå·ÂÀçÀÇ ÆóÇÕ¿¡ Ä¡ÇÑ ±¸¼ÓÈ¿°úÀÇ ¿µÇâÀ¸·Î ÀÎÇÏ¿© °¨¼ÒÇÏ´Â °ÍÀ» ¾Ë ¼ö ÀÖ¾ú´Ù. ¶ÇÇÑ È븷À̺®Ã¼ÀÇ º¯ÇüÇØ¼®À» ±¼ÂøÆò¸éÀÇ Çü»óÀ» °í·ÁÇÏÁö ¸øÇÏ´Â 2Â÷¿ø ¼öÄ¡ÇØ¼®°ú ±¼ÂøÆò¸éÀÇ Çü»óÀ» °í·ÁÇÒ ¼ö ÀÖ´Â 3Â÷¿ø ¼öÄ¡ÇØ¼®¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â ÀÎÀÚµé Áß ±¼Âø¸éÀûºñ¿Í Áö¹Ýº¯Çü°è¼ö¸¦ °í·ÁÇÏ¿©, µÎ ÇØ¼®ÀÌ ÀÏÄ¡ÇÏ´Â »ó°ü°ü°è¸¦ È븷À̺®Ã¼ÀÇ Ãִ뺯À§¸¦ ±âÁØÀ¸·Î 2Â÷¿ø ¼öÄ¡ÇØ¼® °á°ú·ÎºÎÅÍ 3Â÷¿ø ¼öÄ¡ÇØ¼® °á°ú°¡ µµÃâÇÒ ¼ö ÀÖ´Â °ü°è½ÄÀ» Á¦¾ÈÇÏ¿© ÇöÀå°èÃø°á°ú¿Í ºñ±³ ÇÏ¿´´Ù.
This paper analyzed the effects related to the difference of the geometrical shape of the ground excavation by comparing the displacements of the earth retaining wall of the strut resulting from the change of the excavation breadth B and the excavation length L, adopting the three dimensional FDM analysis. It appeared that the displacement of the earth retaining wall of the strut increases in accordance with the increase of L/B and it decreases as it becomes nearer from the center to the comer where the temporary structural system forms, and the wale member is closured because of the effects of the confining effect by the closure of the earth retaining wall and the wale member. This paper proposed a formula in which the results of three dimensional FDM analysis which considers the shape of the excavation plane can be obtained from those of two dimentional FDM analysis which does not consider the shape of the excavation plane. And the results of the formula were compared with those of the site instrumentation analysis.
 
Ű¿öµå
Confining effect of the corner;Deformation coefficient;excavation area ratio;Three dimensional FDM analysis;Two dimensional FDM analysis;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.24, no.2, 2008³â, pp.27-36
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200814364033527)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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