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Çѱ¹Áö¹Ý°øÇÐȸ / v.24, no.5, 2008³â, pp.99-106
º¸°­Åä ¿Ëº®¿¡ Àû¿ëµÇ´Â ¿¬Á÷ ¹è¼ö½Ã½ºÅÛÀÇ °­¿ì½Ã ¼ö¾Ð Àú°¨ È¿°ú - ¼öÄ¡ÇØ¼® ¿¬±¸
( Performance of a Chimney Drain in Reinforced Earth Wall for Reduction of Pore Water Pressure During Rainfall - a Numerical Investigation )
À¯Ãæ½Ä;±è¼±ºó;Á¤Çõ»ó; ¼º±Õ°ü´ëÇб³ »çȸȯ°æ½Ã½ºÅÛ°øÇаú;¼º±Õ°ü´ëÇб³ »çȸȯ°æ½Ã½ºÅÛ°øÇаú;¼º±Õ°ü´ëÇб³ Åä¸ñȯ°æ°øÇаú;
 
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º» ³í¹®¿¡¼­´Â º¸°­Åä ¿Ëº®¿¡ À־ º¸°­Åäü ¹è¸é¿¡ ¼³Ä¡µÇ´Â ¿¬Á÷¹è¼öÃþÀÇ °­¿ì½Ã °£±Ø¼ö¾Ð Áõ°¡ ¾ïÁ¦È¿°ú¿¡ ´ëÇÑ ³»¿ëÀ» ´Ù·ç¾ú´Ù. À̸¦ À§ÇØ ¸ÕÀú ´Ù¾çÇÑ ¹è¼ö½Ã½ºÅÛ ¼³Ä¡ Á¶°Ç¿¡ ´ëÇØ À¯ÇÑ¿ä¼ÒÇØ¼® ¹ý¿¡ ±Ù°ÅÇÑ ºÎÁ¤·ù ħÅõÇØ¼®À» ¼öÇàÇÏ¿´À¸¸ç ±× °á°ú¸¦ Åä´ë·Î ¿¬Á÷¹è¼öÃþÀÇ °£±Ø¼ö¾Ð Àú°¨ ¸ÞÄ«´ÏÁòÀ» °íÂûÇÏ¿´´Ù. ¶ÇÇÑ ¸Å°³º¯¼ö ¿¬±¸ °á°ú¸¦ Åä´ë·Î ´Ù¾çÇÑ ¿¬Á÷¹è¼öÃþÀÇ ÃÖÀû¼³Ä¡ ³ôÀ̸¦ °ËÅäÇÏ¿´´Ù. ±× °á°ú º¸°­Åäü ¹è¸é¿¡ ¼³Ä¡µÇ´Â ¿¬Á÷¹è¼öÃþÀº °­¿ì½Ã º¸°­Åäü ³»¿ÜºÎ¿¡ ¸ð°üÈí¼ö·ÂÀÌ °¨¼ÒÇÏ´Â Çö»óÀ» ¾ïÁ¦½ÃÅ´À¸·Î¼­ Àü´Ü°­µµ ÀúÇϸ¦ ¾ïÁ¦ÇÒ ¼ö ÀÖ´Â °ÍÀ¸·Î ³ªÅ¸³µÀ¸¸ç ¿Ëº®³ôÀÌÀÇ 50% Á¤µµ ³ôÀÌ·Î ¼³Ä¡ÇÒ °æ¿ì ÃÖÀûÀÇ È¿°ú¸¦ ¹ßÈÖÇÒ ¼ö ÀÖ´Â °ÍÀ¸·Î °ËÅäµÇ¾ú´Ù.
This study is concernsed with the effect of a chimney drainage system installed at the back of reinforced soil block on preventing the pore water pressure development. A series of finite-element analyses based on transient seepage analysis were performed for a number of cases with different patterns of the chimney drainage system. The results were thoroughly analyzed to get insight into the mechanism of pore water pressure reduction effect of the chimney drainage system. It is shown that a vertical drainage system installed at the back of reinforced zone can be an effective means of maintaining the wall stability during rainfall by preventing pore pressure increase in the reinforced as well as the backfill zones. Also shown is that the optimum height of the chimney drain is 50% of the wall height. Practical implications of the findings were discussed.
 
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Drainage system;Finite element analysis;Geosynthetics;Reinforced earth wall;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.24, no.5, 2008³â, pp.99-106
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200816256327228)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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