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Çѱ¹Áö¹Ý°øÇÐȸ / v.18, no.5, 2002³â, pp.271-280
½Ç¿ëÀûÀÎ È®·ü·ÐÀû »ç¸é¾ÈÁ¤ ÇØ¼® ±â¹ý °³¹ß
( A Study to Develop a Practical Probabilistic Slope Stability Analysis Method )
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º» ¿¬±¸¿¡¼­´Â »ç¸é¾ÈÁ¤Çؼ® ¼öÇà°úÁ¤¿¡¼­ ÀԷµǴ Áö¹Ý°­µµÁ¤¼öÀÇ ºÒÈ®½Ç¼ºÀÌ ÃÖ¼Ò ½Å·Ú¼ºÀ» °®´Â ÀÓ°è Ȱµ¿¸éÀÇ ÃßÀû¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Á¤·®È­Çϱâ À§ÇÑ È®·ü·ÐÀû »ç¸é¾ÈÁ¤Çؼ®±â¹ýÀ» ¼Ò°³ÇÏ¿´´Ù. ÀϹÝÀûÀÎ °ø»ç ÇöÀå¿¡¼­ ½Ç¹«ÀÚ°¡ »ó´çÇÑ ¾çÀÇ ½Ç³» ¹× ÇöÀå ½ÃÇèÀ» ÅëÇØ ¾ò¾îÁú ¼ö ÀÖ´Â Áö¹Ý°­µµÁ¤¼öÀÇ ´Ù¾çÇÑ Åë°è.È®·üÀû Á¤º¸¸¦ Ç×»ó È®º¸ÇÏ¿© ±×°ÍµéÀ» »ó´çÇÑ ¼öÁØÀÇ Åë°èÀû Áö½ÄÀ» °¡Áö°í ÀÚÀ¯½º·´°Ô ÀÌ¿ëÇÏ´Â °ÍÀº Çö½ÇÀûÀ¸·Î ºÒ°¡´ÉÇÏ´Ù. µû¶ó¼­ º» ¿¬±¸¿¡¼­´Â ½Ç¹«ÀÚ°¡ ½±°Ô È®·üÀûÀÎ °³³äÀ» ÀÌÇØÇϸ鼭 »ç¸é¾ÈÁ¤Çؼ®À» ¼öÇàÇÒ ¼ö ÀÖµµ·Ï ±âÁ¸ÀÇ °áÁ¤·ÐÀû »ç¸é¾ÈÁ¤Çؼ® ±â¹ý¿¡ °øÇÐÀû È®·üÇØ¼® ±â¹ýÀ» °áÇÕ½ÃŰ´Â ¹æ¾ÈÀ» Á¦½ÃÇÏ¿´´Ù. ¹Ì °øº´´Ü¿¡¼­ °³¹ßÇÑ UTEXAS 3¶ó´Â ¹ü¿ë »ç¸é¾ÈÁ¤ ÇØ¼® ÇÁ·Î±×·¥À» ÀÌ¿ëÇÏ¿© º» ¿¬±¸´Â ÆÄ±«È®·ü ¶Ç´Â ½Å·ÚÁö¼ö¶ó´Â °üÁ¡¿¡¼­ Á¦¾ÈÇÑ È®·ü·ÐÀû »ç¸é¾ÈÁ¤Çؼ®±â¹ýÀÇ °á°úµéÀ» µµÃâÇÏ¿´´Ù. º» È®·ü·ÐÀû »ç¸é¾ÈÁ¤Çؼ®±â¹ýÀº »ç¸é¾ÈÁ¤ÀÇ ¾ÈÀüÀ²¸¸À» °í·ÁÇÏ´Â ±âÁ¸ÀÇ °áÁ¤·ÐÀû »ç¸éÇØ¼® ±â¹ýµé º¸´Ù ´õ¿í Á¾ÇÕÀûÀ¸·Î »ç¸é¾ÈÁ¤ÀÇ ½Å·Ú¼º¿¡ ´ëÇÑ °á°ú¸¦ Á¦½ÃÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
A probabilistic approach to identify the effects of uncertainties of soil strength parameters on searching a critical slip surface with the lowest reliability is introduced. In general construction field, it is impossible for the engineer to always gather a variety of statistical information of soil strength parameters for which lots of laboratory and in-situ soil testing are required and to use it with enough statistical knowledge. Thus, in order that the engineer may easily understand the probabilistic concept for the slope stability analysis, this study proposes a combined procedure to incorporate the engineering probabilistic tools into the existing deterministic slope stability analysis methods. Using UTEXAS 3, a slope stability analysis computer program developed by U.S. Army Corps of Engineers (U.S. COE), this study provides the results of this probabilistic slope stability analysis in terms of probability of failure or reliability index. This probabilistic method f3r slope stability analysis appears to yield more comprehensive results of slope reliability than does existing deterministic methods with safety factors alone.
 
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Factor of safety;Probabilistic theory;Reliability index;Slope stability analysis;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.18, no.5, 2002³â, pp.271-280
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200211921407959)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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