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Çѱ¹Áö¹Ý°øÇÐȸ / v.19, no.2, 2003³â, pp.87-95
°³º°¿ä¼Ò¹ýÀ» »ç¿ëÇÑ ¸Å¸³Áö »ç¸é Â÷¼ö ½Ã½ºÅÛÀÇ ¾ÈÁ¤¼º Æò°¡
( Evaluation of Stability of Lining Systems of Landfill Using Discrete Element Method )
¹ÚÇöÀÏ;À̽·¡;Á¤±¸¿µ; Çѱ¹°úÇбâ¼ú¿ø , °Ç¼³ ¹× ȯ°æ°øÇаú;Çѱ¹°úÇбâ¼ú¿ø , °Ç¼³ ¹× ȯ°æ°øÇаú;¢ß»ï¼º¹°»ê °Ç¼³ºÎ¹® Ç÷£Æ® »ç¾÷º»ºÎ;
 
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º» ³í¹®¿¡¼­´Â ¸Å¸³ÁöÀÇ º¹ÇÕ Â÷¼ö ¹× µ¤°³ ½Ã½ºÅÛÀÇ ¾ÈÁ¤¼º Æò°¡¸¦ À§ÇÏ¿© °³º°¿ä¼Ò¹ýÀÌ Àû¿ëµÇ¾ú´Ù. ÀÌ ¹æ¹ýÀº Â÷¼öÀçµéÀÇ Á¢Ã˸鿡¼­ À¯¹ßµÇ´Â Àü´ÜÀÀ·Â°ú Â÷¼öÀç¿¡ ¹ß»ýÇÏ´Â ÀÎÀå·ÂÀ» ¿¹ÃøÇÒ ¼ö ÀÖ¾î °¢°¢ÀÇ Â÷¼öÀç¿¡ ´ëÇÑ Àü´Ü ¹× ÀÎÀåÆÄ±«¿¡ ´ëÇÑ ¾ÈÀüÀ²À» »êÁ¤ÇÒ ¼ö ÀÖ´Ù. ÇØ¼®¿¡¼­ µ¤°³³ª Â÷¼öÀç·á·Î »ç¿ëµÈ ÈëÀÇ °æ¿ì ÀýÆíÀ¸·Î ³ª´« ´ÙÀ½ °¢ Ãø¸éµé¿¡ ź¼Ò¼º Winkler ½ºÇÁ¸µÀ¸·Î ¿¬°áµÇ´Â °ÍÀ¸·Î °¡Á¤ÇÏ¿´À¸¸ç, Áö¿À¸Éºê·¹Àΰú °°Àº Â÷¼öÀçµéÀÇ °æ¿ì ÀýÆíÀ¸·Î ³ª´µ¾îÁ® ÀÎÀ彺ÇÁ¸µÀ¸·Î ¿¬°áµÇ¾ú´Ù°í °¡Á¤ÇÏ¿© °Åµ¿À» ¸ðµ¨¸µÇÏ¿´´Ù. Á¦¾ÈµÈ ¹æ¹ýÀ» »ç¿ëÇÑ »ç·Ê¿¬±¸¿Í ÇÔ²² ¿¹Á¦Çؼ®¿¡ ´ëÇÑ ÇѰèÆòÇü¹ý¿¡ ±Ù°ÅÇÑ ±âÁ¸ ÇØ¼®¹æ¹ýµé°ú ºñ±³¸¦ ÅëÇÏ¿© Á¦¾ÈµÈ ¹æ¹ýÀÇ Àû¿ë¼ºÀ» °ËÅäÇÏ¿´´Ù.
In this paper, the discrete element method was applied to evaluate the stability of composite cover and lining system of landfill. This method is capable of estimating the distribution of tensile force and shear stress mobilized in each liner component and its interfaces, based on a relationship of force and displacement. It was assumed that the cover soil and geomembrane were comprised of slices connected with elastoplastic Winkler springs and tensile spring respectively. Parametric study using this method was performed and compared with other techniques based on limit equilibrium method fur the example analysis.
 
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Discrete element method;Liner;Stability;Lining system;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.19, no.2, 2003³â, pp.87-95
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311921640738)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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