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Çѱ¹Áö¹Ý°øÇÐȸ / v.19, no.5, 2003³â, pp.175-187
»çÁúÅä Áö¹ÝÀÇ ¿øÇü¼öÁ÷±¸¿¡ ¼³Ä¡µÈ È븷À̺®¿¡ ÀÛ¿ëÇÏ´Â Åä¾Ð
( Earth Pressure on the Cylindrical Wall in Cohesionless Soils )
õº´½Ä;½Å¿µ¿Ï; ÇѾç´ëÇб³ Åä¸ñ°øÇаú;ÇѾç´ëÇб³ Åä¸ñ°øÇаú;
 
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ÀϹÝÀûÀ¸·Î »çÁúÅä Áö¹ÝÀÇ ¿øÇü¼öÁ÷±¸¿¡ ¼³Ä¡µÈ È븷À̺®¿¡ ÀÛ¿ëÇÏ´Â Åä¾ÐÀº »ïÂ÷¿ø ¾ÆÄªÈ¿°ú·Î ÀÎÇÏ¿© Æò¸éº¯ÇüÁ¶°ÇÀÇ ¿Ëº®¿¡ ÀÛ¿ëÇÏ´Â Åä¾Ð°ú´Â ´Ù¸£¸ç, ¿øÅëÇü º®Ã¼ÀÇ ¼³°è¸¦ À§Çؼ­´Â º®Ã¼¿¡ ÀÛ¿ëÇÏ´Â Åä¾ÐÀÇ Á¤È®ÇÑ »êÁ¤ÀÌ ÇÊ¿äÇÏ´Ù. ¿øÇü¼öÁ÷±¸¿¡ ¼³Ä¡µÈ º®Ã¼ ¹è¸éÁö¹ÝÀÇ ÆÄ±«¸ðµå´Â ÁöÁßÀÀ·Â»óÅ¿¡ ÀÇÁ¸ÇÏ°Ô µÇ´Âµ¥, ÆÄ±«¸ðµå´Â ½ÇÁúÀûÀ¸·Î ¿ø±âµÕÇü Ȱµ¿¸éÀ» °®´Â °æ¿ì¿Í ±ò´ë±âÇü ÆÄ±«¸éÀ» °®´Â °æ¿ì·Î ±¸ºÐÇÒ ¼ö ÀÖ´Ù. ±âÁ¸ÀÇ ¿¬±¸°á°ú¿¡ ÀÇÇÏ¸é °¢°¢ÀÇ ÆÄ±«¸ðµå¿¡ ´ëÇÏ¿© ¿øÅëÇü º®Ã¼¿¡ ÀÛ¿ëÇÏ´Â Åä¾Ð°ø½ÄÀÌ Á¦¾ÈµÇ¾úÀ¸³ª, µµÀÔµÈ °¡Á¤À¸·Î ÀÎÇÏ¿© ºÒÇÕ¸®ÇÑ °æÇâÀ» º¸ÀÌ´Â ¹®Á¦Á¡ÀÌ ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â ¿øÅëÇü º®Ã¼¿¡ ÀÛ¿ëÇÏ´Â Åä¾ÐÀ» »êÁ¤Çϱâ À§ÇÏ¿© °¢°¢ÀÇ ÆÄ±«¸ðµå¿¡ ´ëÇÏ¿© Á¦¾ÈµÈ Åä¾Ð°ø½ÄÀ» »ìÆìº¸°í, °¢ Åä¾Ð°ø½Ä¿¡¼­ °¡Á¤µÈ »çÇ×À» ¼öÁ¤ Á¦¾ÈÇÏ¿´´Ù. °¢°¢ÀÇ ÆÄ±«¸ðµå¿¡ ´ëÇÏ¿© ¼öÁ¤ Á¦¾ÈµÈ Åä¾Ð°ø½ÄµéÀº »óÀçÇÏÁß°ú º®¸é¸¶ÂûÀ» °í·ÁÇÏ¿´À¸¸ç, Ȱµ¿¸é¿¡¼­ÀÇ ÈûÀÇ ÆòÇü°ü°è¸¦ ½ÇÁ¦ÀûÀ¸·Î °í·ÁÇÏ¿´´Ù.
The earth pressure acting on the cylindrical retaining wall in cohesionless soils is different from that on the retaining wall in plane strain condition due to three dimensional arching effect. Accurate estimation of earth pressure is required for the design of vertical cylindrical retaining wall. Failure modes of the ground behind vertical shaft are dependent on ground in-situ stress conditions. Failure modes are actually divided into two modes of cylindrical failure mode and funnel-shaped mode with truncated cone surface. Several researchers have attempted to estimate the earth pressure on cylindrical wall for each failure mode, but they have some limitations. In this paper, several equations for estimating the earth pressure on cylindrical wall in cohesionless soils are investigated and new formulations for two failure modes are suggested. It rationally takes into account the overburden pressure, wall friction, and force equilibriums on sliding surface.
 
Ű¿öµå
Arching effect;Cylindrical retaining wall;Earth pressure;Failure mode;Plastic equilibrium method;Vertical shaft;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.19, no.5, 2003³â, pp.175-187
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311921979182)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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