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Çѱ¹Áö¹Ý°øÇÐȸ / v.24, no.2, 2008³â, pp.5-14
´ëÇüÁ÷Á¢Àü´Ü½ÃÇè°ú ´ëÇü»ïÃà½ÃÇèÀ» ÅëÇÑ ¼®»ê°ñÀçÀÇ Àü´Ü°Åµ¿ Ư¼º ºñ±³
( Comparison of Shear Behavior for Quarry Blasted Rocks Based on Large Scale Direct Shear Test and Large Scale Triaxial Test )
ÀÌ´ë¼ö;±è°æ¿­;¿À±â´ë; ÇÑÀü Àü·Â¿¬±¸¿ø;ÇÑÀü Àü·Â¿¬±¸¿ø;ÇÑÀü Àü·Â¿¬±¸¿ø;
 
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±¹³» ¼®»ê¿¡¼­ »ý»êµÇ´Â °ñÀ縦 »ç¿ëÇÏ¿© ´ëÇü»ïÃà½ÃÇè°ú ´ëÇüÁ÷Á¢Àü´Ü½ÃÇèÀ» µ¿½Ã¿¡ ¼öÇàÇÑ ÈÄ Àü´ÜƯ¼ºÀ» ºñ±³ÇÏ¿´´Ù. ºñ±³¸¦ À§ÇÏ¿© ½ÃÇèÁ¶°ÇÀ» °¡´ÉÇÑ ÀÏÄ¡½ÃÄ×À¸¸ç, »ó´ë¹Ðµµ¸¦ 50%, 70%, 90%ÀÇ ¼¼ °¡Áö·Î º¯È­½ÃÄÑ ½ÃÇèÀ» ¼öÇàÇÏ¿´´Ù. ½ÃÇè°á°ú ÀÀ·Â-º¯Çü·ü °Åµ¿Àº µÎ °¡Áö ½ÃÇè¿¡¼­ µ¿ÀÏÇÏ°Ô ³ªÅ¸³ª¸ç, Àü´Ü°­µµ´Â »ó´ë¹ÐµµÀÇ Å©±â¿¡ µû¶ó ½ÃÇè¹æ¹ýº°·Î Ãß¼¼°¡ ´Þ¶óÁø´Ù. Áï, ³·Àº »ó´ë¹Ðµµ¿¡¼­´Â ´ëÇüÁ÷Á¢Àü´Ü½ÃÇèÀÇ ³»ºÎ¸¶Âû°¢ÀÌ ´ëÇü»ïÃà¾ÐÃà½ÃÇè °á°ú °ª¿¡ ºñÇÏ¿© ÀÛ°Ô ³ªÅ¸³ª°í, ³ôÀº »ó´ë¹Ðµµ¿¡¼­´Â ÀÌ Çö»óÀÌ ¿ªÀüµÊÀ» È®ÀÎÇÏ¿´´Ù.
Shear characteristics of quarry blasted rocks were compared using large scale direct shear tests and triaxial tests. For comparison purpose, similar test conditions were simulated as much as possible and three types of relative density (50%, 70%, 90%) were employed for the test. Results indicate that stress-strain behavior shows the same trend for two tests, but the measured shear strengths differ for the different test ms and depends on the relative density. At low relative density, the internal friction angles from direct shear test are smaller than those from triaxial tests. However, at high relative density, this phenomenon is reversed.
 
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Direct sheat test;Large scale;Quarry-blasted rock;Relative density;Softening Infernal friction angle;Triaxial test;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.24, no.2, 2008³â, pp.5-14
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200814364033515)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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