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Çѱ¹Áö¹Ý°øÇÐȸ / v.14, no.4, 1998³â, pp.103-116
¾Ï¼®ÀÇ ÆÄ±«Á¶°Ç°è¼ö Æò°¡ ¹× Àû¿ë¼º¿¡ °üÇÑ ¿¬±¸
( A Study on the Estimation and Application of Failure Coefficients of Rock )
Àå¸íȯ;¾çÇü½Ä; ´ëÇѱ¤¾÷ÁøÈï°ø»ç ±â¼ú¿¬±¸¼Ò;Á¤È¸¿ø, Àü³²´ëÇб³ °ø°ú´ëÇÐ ÀÚ¿ø°øÇаú;
 
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¼ø¼öÀü´Ü°­µµ¸¦ ÃßÁ¤Çϱâ À§ÇØ 150 ¼¼Æ®ÀÇ »ïÃà½ÃÇè °á°ú¸¦ ºÐ¼®ÇÏ¿´´Ù. ³»ºÎ¸¶Âû°¢Àº Hoek¿Í BrownÀÇ ÆÄ±«Á¶°Ç°è¼ö mÀÌ Áõ°¡Çϴµ¥ µû¶ó ºñ ¼±ÇüÀûÀ¸·Î Áõ°¡ÇÏ¿´À¸³ª ¼ø¼öÀü´Ü°­µµ ºñ·Ê°è¼ö 1c´Â ºñ¼±ÇüÀûÀ¸·Î °¨¼ÒÇÏ¿´´Ù. ¾ÐÃà°­µµÀÇ Àü´Ü°­µµ¿¡ ´ëÇÑ ºñ´Â ³»ºÎ¸¶Âû°¢ÀÇ ºñ¿¡ ¿ªºñ·ÊÇÏ¿´´Ù. Àü´Ü°­µµ´Â m¿¡ ¹Ýºñ·ÊÇÏ¿´À¸³ª ³»ºÎ¸¶Âû°¢Àº ºñ·ÊÇÏ¿´´Ù. ¶Ç ´ÜÃà°­µµ´Â c¿¡ ºñ·ÊÇÏ¿´´Ù. ȸ ±ÍºÐ¼®ÀÇ ÇØ¼®¿¡ À־ Àü´Ü°­µµ°¡ m°ú ´ÜÃà¾ÐÃà°­µµÀÇ ÁÖ¿ä ¿µÇâ¿ä¼Ò·Î ³ªÅ¸³µ´Ù. Àü´Ü°­µµÀÇ ºñ·Ê°è¼ö´Â RMRÀÇ Áõ°¡¿¡ µû¶ó ºñ¼±ÇàÀûÀ¸·Î Áõ°¡ÇÏ¿´À¸³ª ³»ºÎ¸¶Âû°¢Àº ¼±ÇüÀûÀ¸·Î °¨¼ÒÇÏ¿´´Ù.
To estimate pure shear strength, 150 sets of triaxial test data were analyzed. The proportional coefficient of shear strength($I_c$) at zero normal stress was nonlinearly decreased as failure coefficient m increases, while the internal friction $phi_0$ at zero normal stress was nonlinearly increased. The ratio of shear strength $(c/phi_0)$was inversely proportional to the ratio of the internal friction angles$(phi/phi_0)$ The shear strength decreased as m increased, while internal friction angle increased. And uniaxial strength was proportional to $c,phi$ Regression analysis showed that shear strength strongly affects m and $sigma_c$ The proportional coefficient of shear strength was nonlinearly increased with RMR, while the internal friction angle $(phi}$was linearly decreased.
 
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Failure coefficient;Rock mass;Pure shear strength;RMR;Regression analysis;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.14, no.4, 1998³â, pp.103-116
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199811920448268)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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