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Çѱ¹Áö¹Ý°øÇÐȸ / v.14, no.2, 1998³â, pp.31-40
ºñÁ¤Âø ¶ìº¸°­ÀçÀÇ ¿ªTÇü ¿Ëº® º¸°­È¿°ú¿¡ °üÇÑ ¸ðÇü½ÇÇè
( Model Tests on the Reinforcement Effect of Unattached Strips to the Cantilever Retaining Wall )
ÇѰæÁ¦;±è¿î¿µ;±è¸í¸ð; (ÁÖ)À¯½Å ÄÚÆÛ·¹ÀÌ¼Ç °Ç¼³±â¼ú¿¬±¸¼Ò;À°±º»ç°üÇб³ Åä¸ñ°øÇаú, ¼­¿ï´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;;
 
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ºñÁ¤Âø½Ä º¸°­Åä µÌä¿òÀ¸·Î ±¸¼ºµÈ ¿Ëº®Àº Á¾·¡ÀÇ ºÐ¸®Çü Àü¸éÆÇ¿ä¼Ò¿Í º¸°­ÀçÀÇ °áÇÕÀ¸·Î ÀÌ·ç¾îÁø ¿¬¼º¿Ëº® Çü½Ä°ú´Â ´Þ¸® ÀÏü½Ä °­¼º¿Ëº®À¸·Î ¼³°èµÈ´Ù. ÀÌ °æ¿ì ¿Ëº®ÀÇ µÌä¿ò Èë¼Ó¿¡ ¼³Ä¡µÈ ¶ìº¸°­ÀçÀÇ º¸°­È¿°ú·Î ÀÎÇÏ¿© ¿Ëº®¿¡ ÀÛ¿ëÇÏ´Â Åä¾ÐÀÌ °¨¼ÒÇÒ °ÍÀ¸·Î ±â´ëµÇ´Âµ¥, À̸¦ È®ÀÎÇϱâ À§ÇÏ¿© ½Ç³»¸ðÇü½ÇøÀ» ¼öÇàÇÏ¿´´Ù. ¿ªTÇü º®Ã¼ÀÇ µÞ±Á±æÀÌ¿Í º¸°­ÀçÀÇ ¹èÄ¡¸¦ ´Þ¸®ÇÏ¿© ¸ðÇü½ÇÇèÀ» ½Ç½ÃÇÑ °á°ú º» ¸ðÇü¿Ëº®ÀÇ °æ¿ì µÞ±Á±æÀ̰¡ º®Ã¼³ôÀÌÀÇ 0.1¹è¿Í 0.12¹èÀÏ ¶§ ¹«º¸°­»óÅ¿¡¼­´Â ÀüµµÆÄ±«¸¦ ÀÏÀ¸Å°´Â ¹Ý¸é¿¡ º¸°­À縦 »ðÀÔÇÑ °æ¿ì¿¡´Â ¾ÈÁ¤À» À¯ÁöÇÔÀ¸·Î¼­ º¸°­ÀçÀÇ È¿°ú¸¦ È®½ÇÇÏ°Ô Áõ¸íÇÏ¿´´Ù. ÀÌ Çü»óÀÇ ¿Ëº®¿¡ ´ëÇØ È¿À²ÀûÀÎ º¸°­°£°ÝÀ¸·Î º¸°­À縦 ¹èÄ¡ÇÑ °á°ú º®Ã¼ÀÇ ´ÜÀ§±æÀÌ´ç Àü µµ¸ð¸àÆ®°¡ ¹«º¸°­ »óÅ¿¡ ºñÇØ ¾à 50% Á¤µµ °¨¼ÒÇÏ¿´´Ù. ¶ÇÇÑ º¸°­ÀçÀÇ ±æÀ̰¡ ¿Ëº® ³ôÀÌÀÇ 0.6¹è ÀÌ»óÀÌ µÇ¾î¾ß º¸ °­ÀçÀÇ º¸°­È¿°ú°¡ ¹ßÈֵǴ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ÇÑÆí ¿ªTÇü ¿Ëº®ÀÇ ÆÄ±«¸éÀº RankineÆÄ±«¸é¿¡ °¡±õ°Ô °¡»ó¹è¸é ³»¡¤¿ÜÃøÀ¸·Î Çü¼ºµÈ µÎ°³ÀÇ °î¼±À¸·Î °üÃøµÇ¾ú´Ù ÀÌ ¶§ ¿ÜÃø ÆÄ±«¸éÀº Á÷¼±¿¡ °¡±î¿î °î¼±ÇüÅÂÀ̸ç, º¸°­ÀçÀÇ °³¼ö°¡ Áõ°¡ÇÔ¿¡ µû¶ó º®Ã¼ÂÊÀ¸·Î °¡±õ°Ô ³ªÅ¸³µ´Ù.
To verify the reinforcing effect of the strips which are inserted in the backfill, but not connected to the face wall, model tests are executed. As the reinforcing effect is expected to reduce the active thrust acting on the retaining wall, test programmes included the measurements of the thrust. As a result. it is ascertained that the active thrusts are reduced by as much as 50%. Besides, efficient arrangement and the optimum length of the strips are verified. And the the number of reinforcing strips are increased, are close to the Rankine's hypothesis.
 
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Unattached reinforced backfill;Cantilever retaining wall;Reinforcement effect;Earth pressures;Model test;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.14, no.2, 1998³â, pp.31-40
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199811920448010)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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