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Çѱ¹Áö¹Ý°øÇÐȸ / v.13, no.6, 1997³â, pp.165-180
Á¼Àº °ø°£ µÇ¸Þ¿ò Áö¹Ý¿¡¼­ÀÇ »óÀçÇÏ ¿µÇâ¿¡ ÀÇÇÑ Åä¾Ð
( The Earth Pressure on the Effect of Surcharge Load at the Narrowly Backfilled Soil )
¹®Ã¢¿­;ÀÌÁ¾±Ô; Á¤È¸¿ø, »ïô»ê¾÷´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;Á¤È¸¿ø, ´Ü±¹´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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°Ç¹°ÀÇ ÁöÇϿܺ® ¶Ç´Â ¾Ï°Å³ª ¹Ú½º Ä®¹öÆ®¿Í °°Àº ÁöÇϱ¸Á¶¹°Àº µÇ¸Þ¿òÇÑ ÈëÀÇ ÀÚÁß¿¡ ÀÇÇÑ ÇÏÁß À̿ܿ¡ µÇ¸Þ¿òÀÌ ¿Ï·áµÈ ÈÄ ÁÖÂ÷ÀåÀ» ½Å¼³Çϰųª µµ·Î¸¦ °Ç¼³Çϸé Â÷·®À̳ª ±¸Á¶¹°¿¡ ÀÇÇØ Ç¥¸é¿¡ ÀÛ¿ëÇÏ´Â Á¡ÇÏÁß, ¶ìÇÏÁß, ¼±ÇÏÁß µîÀÇ ¿ÜºÎ ÇÏÁßÀ» ÁöÀÚÇÏ°Ô µÈ´Ù. ÀÌ·¯ÇÑ »óÀçÇÏÁß¿¡ ÀÇÇÑ ÁöÁßÀÀ·ÂÀº ±¸Á¶¹°¿¡ ¿µÇâÀ» ¹Þ¾Æ ¼öÆò¾Ð·Â ¹× ¿¬Á÷¾Ð·ÂÀ» Áõ°¡½ÃŲ´Ù. »óÀçÇÏÁß¿¡ ÀÇÇØ Áõ°¡ÇÏ´Â ÁöÁßÀÀ·ÂÀ» °è»êÇÏ´Â ¹æ¹ýÀº Áö¹ÝÀÌ ¹Ý¹«ÇÑ Åº¼ºÃ¼ÀÌ¸ç µî¹æ¼ºÀÌ°í ±ÕÁúÇÏ´Ù´Â °¡Á¤ÇÏÀÇ Boussinesq(1885)ÀÇ Åº¼º·Ð¿¡ ÀÇÇÑ ÁöÁßÀÀ·Â »êÁ¤¹ý°ú Áö¹ÝÀº µîÇâÀû(imtropic)ÀÌ°í ±ÕÁúÇϸç Ȱµ¿¼±ÀÌ CoulombÀÇ ±âÁØ¿¡ ¸Â´Â´Ù¶ó´Â °¡Á¤ÇÏ¿¡ Krey(1936), Ohde(1952) µîÀÇ ¼Ò¼º·Ð¿¡ µû¸¥ »êÁ¤¹ý ¹× À̸¦ Á¶ÇÕÇÑ Schmitt(1992) µîÀÌ Á¦½ÃÇÑ Åº¼Ò¼º·Ð¿¡ ÀÇÇÑ »êÁ¤ ¹ýµîÀÌ Á¦½ÃµÇ¾ú´Ù. º» ¿¬±¸¿¡¼­´Â ź¼ÒºÀÀ¸·Î Áö¹ÝÀ» Á¶¼ºÇÑ ÈÄ µÇ¸Þ¿ò °ø°£ÀÇ Å©±â°¡ ´Ù¸¥ °æ¿ì ±× Ç¥¸é¿¡ µîºÐÆ÷ ¶ì ÇÏÁßÀ¸·Î¼­ »óÀçÇÏÁßÀÌ ÀÛ¿ëÇÒ ¶§ Áõ°¡µÇ´Â ¼öÆòÅä¾ÐÀÇ Å©±â, º®Ã¼¿¡ ÀÛ¿ëÇÏ´Â Åä¾Ð¿¡ ÀÇÇÑ ¼öÁ÷¾Ð·Â ¹× ±¼Âø¸é ÇϺο¡ ÀÛ¿ëÇÏ´Â ¿¬Á÷Åä¾ÐÀ» ÃøÁ¤ÇÏ¿© »óÀçÇÏÁß°úÅä¾ÐÀÇ °ü°è¸¦±Ô¸íÇÏ¿´´Ù. ¶ÇÇÑ, Mohr-CoulombÀÇ Áö¹Ý±¸¼º¸ðµ¨À» ÀÌ¿ëÇÑ À¯ÇÑÂ÷ºÐ¹ý (FDM)À¸·Î ÇØ¼®ÇÏ¿© ±× °á°ú¸¦ ½ÇÇè °á°ú¿Í ºñ±³, °ËÅäÇÏ¿´´Ù.
The structure such as underground external walls of buildings, conduit and box culvert supports the surcharge loads (point, strip and line loads) . The vertical and horizontal stresses in a soil mass depend on the backfill width and wall friction, etc. The investigations described in this paper is designed to identify the magnitude and the distributions of the lateral and vertical pressure which is occurred by the narrowly backfilled soil in an open cut by the surcharge loads. For these purposes, model tests were performed for various width of backfill in a model test box by considering the wall friction using carbon rods. The results of test were compared with the theories of Weissenbach and VS Army Code and also with the results of the numerical analysis using finite difference method which introduces Mohr-Coulomb failure hypothesis.
 
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Surcharge load;Strip load;Backfill;Earth pressure;FDM;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.13, no.6, 1997³â, pp.165-180
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199711920447846)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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