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Çѱ¹Áö¹Ý°øÇÐȸ / v.23, no.8, 2007³â, pp.117-127
Àΰø½Å°æ¸Á ±â¹ÝÀÇ ÇѰè»óÅÂÇÔ¼ö¸¦ ÀÌ¿ëÇÑ »ç¸éÀÇ ½Å·Ú¼ºÇؼ®
( Reliability Analysis of Slopes Using ANN-based Limit-state Function )
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»ç¸é¾ÈÁ¤Çؼ®Àº Áö¹Ý¹°¼ºÀÇ ºÒÈ®½Ç¼ºÀ» Æ÷ÇÔÇÑ ¸¹Àº ºÒÈ®½ÇÇÑ ¿äÀÎÀ» ³»Æ÷ÇÏ´Â Áö¹Ý°øÇÐÀû ¹®Á¦ÀÌ´Ù. º» ¿¬±¸¿¡¼­´Â »ó¾÷¿ë À¯ÇÑÂ÷ºÐÇØ¼® ÇÁ·Î±×·¥À» ÀÌ¿ëÇÏ¿© È®·ü·ÐÀû »ç¸é¾ÈÁ¤Çؼ®À» ¼öÇàÇÒ ¼ö ÀÖ´Â ÀýÂ÷¸¦ Á¦½ÃÇÏ¿´´Ù. ÀÌ °æ¿ì ÇѰè»óÅÂÇÔ¼ö°¡ ¸í½ÃÀûÀÎ ÇüÅ·ΠǥÇöµÇÁö ¾Ê±â ¶§¹®¿¡ ÇѰè»óÅÂÇÔ¼ö¸¦ ±Ù»çÈ­Çϱâ À§ÇÏ¿© Àΰø½Å°æ¸Á±â¹ýÀ» Ȱ¿ëÇÑ ÀÀ´ä¸é±â¹ýÀ» ÀÌ¿ëÇÏ¿´À¸¸ç ÆÄ±«È®·üÀ» ±¸Çϱâ À§ÇØ ÀÏÂ÷ ¹× ÀÌÂ÷½Å·Úµµ¹ý°ú Monte Carlo simulationÀ» ÀÌ¿ëÇÏ¿´´Ù. Á¦¾ÈµÈ ÀýÂ÷ÀÇ Àû¿ë¼ºÀ» °ËÅäÇϱâ À§ÇÏ¿© 2Ãþ Áö¹ÝÀÇ »ç¸é°ú Sugar CreekÁ¦¹æ»ç¸é¿¡ ´ëÇÑ È®·ü·ÐÀû »ç¸é¾ÈÁ¤Çؼ®À» ¼öÇàÇÏ¿´´Ù. ÇØ¼®°á°ú´Â Á¦¾ÈµÈ ÀýÂ÷ÀÇ ÀûÁ¤¼º°ú ´Ù¸¥ ´Ù¾çÇÑ Áö¹Ý°øÇÐ ¹®Á¦·ÎÀÇ È®Àå Àû¿ëÀÇ °¡´É¼ºÀ» º¸¿©ÁØ´Ù.
Slope stability analysis is a geotechnical engineering problem characterized by many sources of uncertainty. Some of them are connected to the uncertainties of soil properties involved in the analysis. In this paper, a numerical procedure for integrating commercial finite difference method into probabilistic analysis of slope stability is presented. Since the limit-state function cannot be expressed in an explicit form, the ANN-based response surface method is adopted to approximate the limit-state function and the first-, second-order reliability method and the Monte Carlo simulation technique are used to calculate the probability of failure. Probabilistic stability assessments for a hypothetical two-layer slope and the Sugar Creek embankment were performed to verify the application potential to the slope stability problems. The examples show the successful implementation and the possibility of the extension of the proposed procedure to the variety of geotechnical engineering problems.
 
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Artificial neural network;Probabilistic analysis;Response surface method;Slope stability;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.23, no.8, 2007³â, pp.117-127
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200734516348847)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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