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Çѱ¹Áö¹Ý°øÇÐȸ / v.18, no.4, 2002³â, pp.119-126
¾Ï¹Ý»ç¸éÀÇ Æò¸éÆÄ±«¿¡ ´ëÇÑ ½Å·Ú¼ºÇؼ®
( Reliability Analysis of Plane Failure in Rock Slope )
À忬¼ö;¿À½ÂÇö;±èÁ¾¼ö; µ¿±¹´ëÇб³ Åä¸ñȯ°æ°øÇаú;µ¿±¹´ëÇб³ Åä¸ñȯ°æ°øÇаú;(ÁÖ)Çö´ë»ê¾÷°³¹ß Åä¸ñ¼³°èÆÀ;
 
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º» ³í¹®¿¡¼­´Â ¾Ï¹Ý»ç¸éÀÇ ÀýÅä½Ã ÇöÀåÁö¹Ý ½ÃÃßÁ¶»çÀÇ ºÒÃæºÐÇÑ ÀÚ·á¿Í ºñ±ÕÁúÇÑ Áö¹ÝƯ¼º¿¡¼­ ¿À´Â ºÒÈ®½Ç¼ºÀÌ ¾Ï»ç¸éÀÇ ÆÄ±«È®·ü¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ¾Ë¾Æº¸±â À§ÇÏ¿© ½Å·Ú¼ºÇؼ®À» ½Ç½ÃÇÏ¿´°í À̸¦ È®Á¤·ÐÀû ÇØ¼®°á°ú¿Í ºñ±³ÇÏ¿´´Ù. ÇØ¼®¿¡ »ç¿ëµÈ È®·üº¯¼ö´Â Àý¸®¸éÀÇ Á¡Âø·Â°ú ¸¶Âû°¢, ¾Ï¹ÝÀÇ ´ÜÀ§Áß·® À̾úÀ¸¸ç Àý¸®¸éÀÇ °æ»ç°¢Àº È®·üº¯¼ö·Î Àû¿ëÇÑ °æ¿ì¿Í ±×·¸Áö ¾ÊÀº °æ¿ì·Î ³ª´©¾î ÇØ¼®ÇÏ¿´´Ù. ÇØ¼® °á°ú ´ë»ó ÀýÅä»ç¸éÀÇ °æ¿ì È®Á¤·ÐÀû ÇØ¼®½Ã ¾ÈÁ¤ÇÏ°Ô ³ªÅ¸³²¿¡µµ ½Å·Úµµ ÇØ¼®¿¡¼­´Â ¿¬¾à ÁöÁúÃþÀÇ ¿µÇâ¿¡ ÀÇÇÑ ³ôÀº ºÒ¸íÈ®¼ºÀ¸·Î ÀÎÇÏ¿© ³ôÀº ÆÄ±«È®·üÀ» °®´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. °¢ È®·üº¯¼öÀÇ Æò±Õ°ª°ú ºÐ»ê¿¡ ´ëÇÑ ÆÄ±«È®·üÀÇ ¹Î°¨µµ´Â Á¡Âø·ÂÀÌ °¡Àå Å« °ÍÀ¸·Î ³ªÅ¸³µÀ¸¸ç Æò±Õ°ªÀÌ ¹ÌÄ¡´Â ¹Î°¨µµ°¡ ºÐ»êÀÇ °æ¿ìº¸´Ù Å©°Ô ³ªÅ¸³ª ÇöÀå Áö¹Ý¹°¼ºÄ¡µé¿¡ ´ëÇÑ Æò±Õ°ªÀÇ Á¤È®ÇÑ »êÃâÀÌ Áß¿äÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
A reliability analysis is performed to investigate the influence of the uncertainty from few in-situ samples and inherent heterogeneity of the ground on the probability of failure for a rock cut slope. The results are compared with those of deterministic slope stability analysis. The random variables used are unit weight of the rock, the angle of potential slope of failure, and cohesion and internal friction angle of joints. It was found that the rock slope in which the factor of safety satisfied the minimum safety factor in the deterministic analysis has high probability of failure in the reliability analysis when the weak geological strata are involved in the cut slope. The probability of failure of rock slope is most sensitive to the mean and standard deviation of cohesion in rock joint among the random soil parameters included in the reliability analysis. Sensitivities of the mean values are larger than those of standard deviations, which means that accurate estimation of the mean for the in-situ geotechnical properties is important.
 
Ű¿öµå
Deterministic analysis;Factor of safety;Reliability analysis;Rock slope;Sensitivity;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.18, no.4, 2002³â, pp.119-126
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200211921341992)
¾ð¾î : Çѱ¹¾î
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