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Çѱ¹Áö¹Ý°øÇÐȸ / v.22, no.8, 2006³â, pp.89-97
DIP ±â¹ýÀ» ÀÌ¿ëÇÑ Á¶¸³ÅäÀÇ Àü´Ü¿µ¿ª Å©±â ºÐ¼®
( The Thickness of Shear Zone in Granular Materials Using Digital Image Processing )
¹Î´ö±â;±èÄ¡¿µ; ¿ï»ê´ëÇб³ °Ç¼³È¯°æ°øÇкÎ;¿ï»ê´ëÇб³ °ø°ú´ëÇÐ °Ç¼³È¯°æ°øÇкÎ;
 
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º» ³í¹®Àº DIP(digital image processing)±â¹ýÀ» ÀÌ¿ëÇÏ¿© Á¶¸³ÅäÀÇ Á÷Á¢Àü´Ü½ÇÇè½Ã ¹ß»ýÇÏ´Â Àü´Ü¿µ¿ªÀÇ Å©±â¿¡ ´ëÇØ »ó´ë¹Ðµµ¿Í Àü´ÜÇÏÁßÀÌ ¹ÌÄ¡´Â ¿µÇâ¿¡ ´ëÇØ ºÐ¼®ÇÏ¿´´Ù. Àü´Üº¯Çü ÈÄ DIP±â¹ýÀ» Àû¿ëÇÏ¿© Àü´Ü¿µ¿ªÀÇ ÃøÁ¤À» À§ÇØ ÀûÀýÇÑ °íÈ­Á¦(epoxy resin)¸¦ ¼±ÅÃÇÏ¿© 4´Ü°èÀÇ Ãʱ⠻ó´ë¹Ðµµ¸¦ °¡Áø ½ÃÆíÀÌ ÁغñµÇ¾ú°í, °¢°¢ÀÇ ½Ã·á¿¡ ´ëÇØ Àü´Ü½ÃÇè ¹× °íÈ­Á¦ ÁÖÀÔ, ½ÃÆíÁ¦ÀÛ, À̹ÌÁö ºÐ¼® µîÀÇ ´Ü°è¸¦ °ÅÃÄ Àü´Ü¿µ¿ªÀÇ Å©±â°¡ ÃøÁ¤ÇÏ¿´´Ù. Àü´Ü¿µ¿ªÀÇ Å©±â ÃøÁ¤ °á°ú, ½Ã·áÀÇ Ãʱ⠻ñ´ë¹Ðµµ°¡ Áõ°¡ÇÒ¼ö·Ï Àü´Ü¿µ¿ªÀÇ Å©±âµµ Áõ°¡Çϰí, Àü´ÜÇÏÁß ÀçÇÏ Áß Àü´Ü¿µ¿ª ³»ºÎÀÇ °£±Øºñ´Â º¯ÇÏÁö¸¸ Àü´Ü¿µ¿ªÀÇ Å©±â´Â º¯ÇÏÁö ¾Ê´Â °ÍÀ» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù. ¶ÇÇÑ, ½ÃÆíÀÇ Ãʱ⠻ó´ë¹Ðµµ°¡ ÇѰè»óÅ ÀÌÀü¿¡´Â »ó´ë¹Ðµµ¿¡ µû¶ó Àü´Ü¿µ¿ªÀÇ Å©±â°¡ °ÅÀÇ º¯ÇÏÁö ¾ÊÀ¸³ª ÇѰè»óŸ¦ Áö³ª Á¶¹ÐÇÑ »óŰ¡ µÈ °æ¿ì »ó´ë¹Ðµµ°¡ Áõ°¡ÇÔ¿¡ µû¶ó Àü´Ü¿µ¿ªÀÇ Å©±â°¡ Å©°Ô Áõ°¡ÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
This study investigated the effect of relative density on the thickness of shear zone. Digital image processing was used to measure the thickness of shear zone under plane strain conditions. A suitable epoxy resin was injected into the sample and the thickness of the shear zone was investigated. Four independent condition samples were prepared and the thickness of the shear zone was measured. The results indicated that the thickness of shear zone increases as the initial density of sample increases, and during the shear, the void ratios of the shear zone were changed, but the thickness of shear zone was not changed. In addition, the result of measurement of the thickness showed that the thickness of shear zone was almost fixed before critical state, but beyond critical state, the thickness of shear zone sharply increases as relative density increases.
 
Ű¿öµå
DIP;Direct shear test;Epoxy resin;Shear zone;Thickness of shear zone;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.22, no.8, 2006³â, pp.89-97
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200634741580748)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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