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Çѱ¹Áö¹Ý°øÇÐȸ / v.4, no.2, 1988³â, pp.5-14
ÁøÇ༺ ÆÄ±«¿¡ ´ëÇÑ »ç¸é¾ÈÁ¤ÀÇ È®·ü·ÐÀû ÇØ¼®
( Probabilistic Analyrgis of Slope Stactility for Progressive Failure )
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±ÕÁúÅä »ç¸é¿¡¼­ ÁøÇ༺ ÆÄ±«¿¡ ´ëÇÑ È®¸¦·ÐÀû ¸ðµ¨ÀÌ Á¦½ÃµÇ¾ú´Ù. ÆÄ±«¸é À§ÀÇ ¾î¶² ÀýÆí¿¡ ´ëÇÑ ±¹ºÎÀûÀÎ Safety MarginÀº Á¤±ÔºÐÆ÷Â÷ °¡Á¤ÇÏ¿´´Ù. ÆÄ±«¸éÀ» µû¶ó Á¸ÀçÇÏ´Â Àü´Ü°­µµÀÇ ºÒÈ®½Ç¼ºÀº 1Â÷¿ø Random Field Models·Î Ç¥ÇöµÇ¾ú´Ù. ÀÌ ¿¬±¸¿¡¼­´Â ÆÄ±«°¡ Toe¿¡¼­ ½ÃÀÛµÇ¾î »ç¸é Á¤»ó±îÁö ÁøÇàµÇ´Â °æ¿ì¸¸À» °í·ÁÇÏ¿´´Ù. ÆÄ±«¸éÀ§ÀÇ ¾î´À µÎ ÀÎÁ¢ ÀýÆíÀÇ Safety MarginÀÇ Joint DistributionÀº Bivariate Normal·Î °¡Á¤ÇÏ¿´´Ù. Ȱµ¿ÆÄ±«ÀÇ ÀüüÀûÀÎ ÆÄ±«È®·üÀº ÀÏ·ÃÀÇ Conditional eventsÀÇ ±ÞÀ¸·Î Ç¥ÇöµÇ¾ú´Ù. ÃÖÁ¾ÀûÀ¸·Î °³¹ßµÈ ÀýÂ÷°¡ ÀýÃë»ç¸éÀÇ ½Å·Úµµ¸¦ ¾ò±â À§ÇÏ¿© ÇÑ ¿¹¿¡ Àû¿ëµÇ¾ú´Ù.
A probabilistic model for the progressive failure in a homogeneous soil slope consisting of strain-softening material is presented. The local safety margin of any slice above failure surface is assumed to follow a normal distribution. Uncertainties of the shear strength along potential failure surface are expressed by one-dimensional random field models. In this paper, only the case where failure initiates at toe and propagates up to the crest is considerd. The joint distribution of the safety margin of any two adjacent slices above the failure surface is assumed to be bivariate normal. The overall probability of the sliding failure is expressed as a product of probabilities of a series of conditional el.eats. Finally, the developed procedure has been applied in a case study to yield the reliability of a cut slope.
 
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.4, no.2, 1988³â, pp.5-14
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO198811920443251)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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