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Çѱ¹Áö¹Ý°øÇÐȸ / v.19, no.1, 2003³â, pp.181-189
ÆòÇàÀ̵¿ÇÏ´Â °­¼º¿Ëº®¿¡ ÀÛ¿ëÇÏ´Â ºñ¼±Çü ÁÖµ¿Åä¾Ð : I. Á¤½ÄÈ­
( Nonlinearly Distributed Active Earth Pressure on n Translating Rigid Retaining Wall : I. Formulation )
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ÀϹÝÀûÀ¸·Î °­¼º ¿Ëº®¿¡ ÀÛ¿ëÇÏ´Â ÁÖµ¿Åä¾ÐÀº RankineÀ̳ª CoulombÀÇ Åä¾ÐÀ̷п¡ ÀÇÇÏ¿© °è»êµÇ¸ç, À̵é À̷п¡¼­´Â ¿Ëº®¿¡ ÀÛ¿ëÇÏ´Â ÁÖµ¿Åä¾ÐÀÌ »ï°¢ÇüÀ¸·Î ºÐÆ÷ÇÑ´Ù°í °¡Á¤ÇÑ´Ù. ±×·¯³ª ¸¹Àº ½ÇÇè°á°úµéÀº º®¸éÀÌ °ÅÄ£ °­¼º º®Ã¼¿¡ ÀÛ¿ëÇÏ´Â ÁÖµ¿Åä¾ÐÀº Rankine°ú Coulomb À̷п¡¼­ »ç¿ëµÈ °¡Á¤°ú´Â ´Þ¸® ºñ¼±ÇüÀ¸·Î ºÐÆ÷ÇÑ´Ù´Â °ÍÀ» º¸À̰í ÀÖ´Ù. ±×¸®°í ÀÌ·¯ÇÑ ºñ¼±ÇüÀÇ Åä¾ÐºÐÆ÷´Â ¿Ëº®ÀÇ µÞä¿òÀç¿¡¼­ ¹ß»ýÇÏ´Â ¾ÆÄªÈ¿°ú ¶§¹®À¸·Î ¾Ë·ÁÁ® ÀÖ´Ù. ¸î¸î ¿¬±¸ÀÚµéÀº °­¼ºº®Ã¼ÀÇ µÞä¿òÀç¿¡ ¹ß»ýÇÏ´Â ¾ÆÄªÈ¿°ú¸¦ °í·ÁÇÑ ÁÖµ¿Åä¾Ð »êÁ¤½ÄÀ» Á¦¾ÈÇÏ¿´´Ù. ±×·¯³ª À̵é Á¦¾È½ÄµéÀº ¸î°¡Áö Á¡¿¡¼­ ¹®Á¦Á¡À» °®°í ÀÖ´Ù. µû¶ó¼­ º» ¿¬±¸¿¡¼­´Â ÆòÇàÀ̵¿ÇÏ´Â °­¼ºº®Ã¼¿¡ ÀÛ¿ëÇÏ´Â ÁÖµ¿Åä¾ÐÀÇ Å©±â¿Í ºñ¼±Çü ºÐÆ÷¸¦ Á¤È®È÷ ¿¹ÃøÇÒ ¼ö ÀÖ´Â »õ·Î¿î Åä¾Ð»êÁ¤½ÄÀ» Á¦¾ÈÇÏ¿´À¸¸ç, ÀÌ Á¦¾È½Ä¿¡¼­´Â µÞä¿òÀç¿¡¼­ ¹ß»ýÇÏ´Â ¾ÆÄªÈ¿°úÀÇ ¿µÇâÀÌ °í·ÁµÇ¾ú´Ù.
The active earth pressure against a rigid retaining wall has been generally calculated using either Rankine's or Coulomb's formulation. Both assume that the distribution of active earth pressure exerted against the wall is triangular. However, many experimental results show that the distribution of the active earth pressure on a rigid rough wall is nonlinear. These results do not agree with the assumption used in both Rankine's and Coulomb's theories. The nonlinearity of the active earth pressure distribution results from arching effects in the backfill. Several researchers have attempted to estimate the active earth pressure on a rigid retaining wall, considering arching effect in the backfill. Their equations, however, have some limitations. In this paper, a new formulation for calculating the active earth pressure on a rough rigid retaining wall undergoing horizontal translation is proposed. It takes into account the arching effects that occur in the backfill.
 
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Active earth pressure;Arching effect;Nonlinear earth pressure distribution;Rigid retaining wall;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.19, no.1, 2003³â, pp.181-189
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311921582259)
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