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Çѱ¹Áö¹Ý°øÇÐȸ / v.23, no.8, 2007³â, pp.59-68
½Ç³» »ïÃà½ÃÇè°ú °³º°¿ä¼Ò¹ý(DEM)À» ÀÌ¿ëÇÑ »çÁúÅä Á÷±³ À̹æ ź¼º Ư¼ºÀÇ ¹Ì½Ã¿ªÇÐÀû ºñ±³ ºÐ¼®
( Comparative Study on Cross-anisotrupic Elasticity of Granular Soils Based on Lab-scale Triaxial Experiment and Discrete Element Analysis )
Á¤¿µÈÆ;ÀÌÀçÈÆ;Á¤Ãæ±â; ³ë½º¿þ½ºÅÏ´ëÇб³ Åä¸ñ°øÇаú;¼­¿ï´ëÇб³ Áö±¸È¯°æ½Ã½ºÅÛ°øÇкÎ;¼­¿ï´ëÇб³ Áö±¸È¯°æ½Ã½ºÅÛ°øÇкÎ;
 
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»çÁúÅäÀÇ Á÷±³ À̹æ ź¼º°è¼ö¸¦ ½ÇÇèÀû ¹æ¹ý°ú °³º° ¿ä¼Ò¹ýÀ» ÀÌ¿ëÇÏ¿© ÃøÁ¤ÇÏ°í °á°ú¸¦ Á¤·®ÀûÀ¸·Î ºñ±³-ºÐ¼®ÇÏ¿´´Ù. ½Ç³» ½ÃÇè¿¡¼­´Â ¹Ì¼Ò ÀÀ·Â Á¦¾î ¹Ýº¹ÀçÇϽÃÇè°ú º¥´õ ¿¤¸®¸ÕÆ®ÀÇ ÃøÁ¤ °á°ú¸¦ Á¶ÇÕÇÏ¿© ź¼º Ư¼ºÀ» ±¸ÇÏ¿´À¸¸ç, °³º° ¿ä¼Ò¹ý¿¡¼­´Â ½Ç³» ½ÃÇè ¹æ¹ý°ú »óÀÀÇÏ´Â ¹Ýº¹ÀçÇϽÃÇèÀ» ¸ð»çÇÏ¿´´Ù. Ãà ¹æÇâ ¹× Àü´Ü¹æÇâ¿¡ °ü·ÃµÈ ź¼º Ư¼ºÀÇ ºñ±³ °á°ú´Â Á¦ÇÑµÈ Á¶°Ç¿¡¼­µµ °³º° ¿ä¼Ò¹ýÀÌ º¹ÀâÇÑ ½Ç³» ½ÃÇè °úÁ¤À» ¸ð»çÇÒ ¼ö ÀÖÀ½À» º¸¿©ÁÖ¾ú´Ù. ¹æ»ç ¹æÇâ ÀçÇϽÃÇè °á°ú¿¡¼­ ³ªÅ¸³­ µÎ ¹æ¹ý °£ Â÷ÀÌÀÇ ºñ±³ ºÐ¼® °á°ú´Â °³º° ¿ä¼Ò¹ýÀÌ ½Ç³» ½ÃÇèÀ¸·Î ±¸ÇÑ °³º° ÃøÁ¤Ä¡ÀÇ Á¤·®Àû Ÿ´ç¼ºÀ» È®ÀÎÇϴµ¥ ÃæºÐÈ÷ Ȱ¿ëµÉ ¼ö ÀÖÀ½À» º¸¿©ÁØ´Ù.
The comparative study using the lab-scale experiment and the discrete element analysis is attempted to analyze the cross-anisotropic elasticity of granular soils. The lab-scale experiment consists of the small stress-controlled triaxial cyclic tests and the bender element tests. In the discrete element analysis the simulations of lab-scale cyclic tests are conducted in the various directions. Good agreement between the experimental data and the simulation on the elastic properties in the axial and shear directions confirms the usefulness of the discrete element method. The comparative analysis of the difference in the experimental data and the simulation of radial cyclic tests shows that the discrete element method can successfully be used to check the reasonable magnitude of each measurement in the experiments.
 
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Bender element test;Discrete element method;Elasticity;Granular soils;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.23, no.8, 2007³â, pp.59-68
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200734516348595)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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