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Çѱ¹Áö¹Ý°øÇÐȸ / v.22, no.11, 2006³â, pp.101-111
È®·ü·ÐÀû »ç¸é¾ÈÁ¤ ÇØ¼®±â¹ý¿¡ °üÇÑ ¿¬±¸
( A Study on the Probabilistic Stability Analysis of Slopes )
±è±â¿µ;Á¶¼ºÀº; Çѱ¹¼öÀÚ¿ø¿¬±¸¿ø;Çѱ¹¼öÀÚ¿ø¿¬±¸¿ø;
 
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»ç¸é¾ÈÁ¤Çؼ®Àº ¸¹Àº ºÒÈ®½ÇÇÑ ¿äÀÎÀ» ³»Æ÷ÇÏ´Â Áö¹Ý°øÇÐÀû ¹®Á¦ÀÌ´Ù. ÀÌ·¯ÇÑ ºÒÈ®½Ç¼º Áß ÀÏºÎ´Â ÇØ¼® ¼öÇà°úÁ¤¿¡ ÇÊ¿äÇÑ Áö¹Ý ¹°¼ºÀÇ º¯µ¿¼º°ú°ü·ÃÀÌ ÀÖ´Ù º» ¿¬±¸¿¡¼­´Â È®·ü·ÐÀû »ç¸é¾ÈÁ¤ ÇØ¼®±â¹ýÀ» °³¹ßÇϱâ À§ÇÏ¿© ÀýÆí¹ýÀÇ ÀÏÁ¾ÀÎ SpencerÀÇ ¹æ¹ýÀ» ¹ÙÅÁÀ¸·Î ÇÑ °áÁ¤·ÐÀû ÇØ¼®¹æ¹ýÀ» Áö¹ÝÁ¤¼öÀÇ ºÒÈ®½Ç¼º°ú °ø°£Àû º¯µ¿¼ºÀ» °í·ÁÇÒ ¼ö ÀÖµµ·Ï È®ÀåÇÏ¿´´Ù. Á¦¾ÈµÈ ¹æ¹ýÀº Hasofer-LindÀÇ ½Å·ÚÁö¼ö¸¦ ±¸ÇÏ´Â ÀÏÂ÷½Å·Úµµ¹ý°ú Monte-Carlo SimulationÀ» ¹ÙÅÁÀ¸·Î ÇÑ´Ù. Áö¹ÝÁ¤¼öÀÇ º¯È­¿¡ µû¸¥ ÆÄ±«È®·üÀÇ º¯È­¸¦ ±¸Çϱâ À§ÇØ ´ÜÀÏÁöÃþ°ú 2Ãþ Áö¹ÝÀÇ »ç¸é¿¡ ´ëÇÑ È®·ü·ÐÀû »ç¸é¾ÈÁ¤ ÇØ¼®À» ¼öÇàÇÏ¿´´Ù. ¿¹Á¦ÀÇ °á°ú´Â »ç¸é¾ÈÁ¤Çؼ®¿¡ ´ëÇÑ Áö¹ÝÀÇ ºÒÈ®½Ç¼ºÀ» °í·ÁÇÒ ¼ö ÀÖ´Â °üÁ¡À» Á¦½ÃÇϸç È®·ü·ÐÀû ÇØ¼®°á°ú¿¡ ¹ÌÄ¡´Â Áö¹ÝÁ¤¼öÀÇ °ø°£Àû º¯µ¿¼ºÀÇ ¿µÇâÀ» º¸¿©ÁØ´Ù.
Slope stability analysis is a geotechnical engineering problem characterized by many sources of uncertainty. Some of them are connected to the variability of soil properties involved in the analysis. In this paper, a numerical procedure of probabilistic analysis of slope stability is presented based on Spencer's method of slices. The deterministic analysis is extended to a probabilistic approach that accounts fur the uncertainties and spatial variation of the soil parameters. The procedure is based on the first-order reliability method to compute the Hasofer-Lind reliability index and Monte-Carlo Simulation. A probabilistic stability assessment was performed to obtain the variation of failure probability with the variation of soil parameters in homogeneous and layered slopes as an example. The examples give insight into the application of uncertainty treatment to the slope stability and show the impact of the spatial variability of soil properties on the outcome of a probabilistic assessment.
 
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First-order reliability method;Monte-Carlo Simulation;Probabilistic analysis;Slope stability;Spatial variability;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.22, no.11, 2006³â, pp.101-111
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200604623520209)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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