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Çѱ¹Áö¹Ý°øÇÐȸ / v.7, no.3, 1991³â, pp.21-32
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Earth-Rockfill Dam»ç¸éÆÄ±«¿¡ ´ëÇÑ ½Å·Úµµ ¿¬±¸(I)
( A Reliability Analysis of Slope Stability of Earth-Rockfill Dam ) |
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| º» ¿¬±¸¿¡¼´Â º¹ÇÕ zoneÀ» °¡Áø rockfill dam¼ºÅä Àç·áÀÇ °µµÁ¤¼öµé°ú core zone¿¡¼ÀÇ °£±Ø ¼ö¾ÐÀÇ ºÒÈ®Á¤¼ºÀ» °í·ÁÇÒ ¼ö ÀÖµµ·Ï, ¼ºÅä Àç·áÀÇ °ø°£ÀûÀÎ º¯ÈÀÇ ºÒÈ®½Ç¼º, ½Ã·á¼öÀÇ Á¦ÇÑ¿¡ ÀÇ ÇÑ ºÒÈ®Á¤¼º¿¡ ½ÇÇè½Ç °á°ú¿Í ÇöÀå °á°ú¿ÍÀÇ Â÷ÀÌ¿¡ µû¸¥ model ¿ÀÂ÷ÀÇ ¿µÇâÀ» °í·ÁÇÑ Á¾ÇÕÀûÀÎ ¼³°èº¯¼öµéÀÇ ºÒÈ®Á¤¼ºÀ» ±Ô¸íÇÏ¿´À¸¸ç core zoneÀÇ °£±Ø¼ö¾Ð°ú rockfill zoneÀÇ ³»ºÎ ¸¶Âû°¢À» bayeg ÀÌ·ÐÀ» ÀÌ¿ëÇÏ¿© ºÒÈ®Á¤¼ºÀ» UpdatingÇÒ ¼ö ÀÖ´Â ¹æ¹ýÀ» Á¦½ÃÇÏ¿´´Ù. »ç¸é ¾ÈÁ¤ ÇØ¼®¿¡¼ ½Ã°øÁ÷ÈÄ »ó, ÇÏ·ù, ¸¸¼öÀ§ »ó, ÇÏ·ù ¼öÀ§, ±Þ°ÇÏ ½ÃÀÇ 2Â÷¿ø »ç¸é¾ÈÁ¤Çؼ® °ú end effect ¿µÇâÀ» °í·ÁÇÑ 3Â÷¿ø»ç¸é ¾ÈÁ¤Çؼ®À» ÇÏ¿´´Ù. º» ¸ñÀûÀ» À§ÇÏ¿© º¹ÇÕ zoneÀ» °¡Áø rockfill damÀÇ »ç¸é ¾ÈÁ¤Çؼ®¿¡¼ end effectÀÇ ¿µÇâÀ» °í·ÁÇÑ 3Â÷¿ø »ç¸é¾ÈÁ¤Çؼ® ProgramÀÎ "ESTABL"À» °³¹ßÇÏ¿´À¸¸ç, ÆÄ±« »ç¸éÀÇ °µµÁ¤¼ö¿Í °£±Ø¼ö¾ÐÀÇ º¯µ¿°è¼ö¸¦ ±¸ÇÏ´Â ÇÁ·Î±×·¥ "COV", º¹ÇÕ zone»ç¸é ¾ÈÀüÀ²ÀÇ º¯µ¿°è¼ö¸¦ ±¸ÇÏ´Â ÇÁ·Î±×·¥ "PCOV"À» °³¹ßÇÏ¿´´Ù. »ç¸é¾ÈÁ¤Çؼ® °á°ú 3Â÷¿ø¾ÈÀüÀ²ÀÌ 2Â÷¿ø¾ÈÀüÀ²º¸´Ù ¾à 200AÁ¤µµ Å©°Ô ³ªÅ¸³ª¹Ç·Î end restraint È¿°ú°¡ »ó´çÈ÷ ÅÀ» ¾Ë ¼ö ÀÖ´Ù. 3Â÷¿ø»ç¸é¾ÈÁ¤Àº ±Ùº»ÀûÀ¸·Î system reliability ¹®Á¦ÀÌ ¹Ç·Î ¾ÈÀüÀ²ÀÇ Æò±Õ°£º¸´Ù ±× ºÒÈ®Á¤¼ºÀÌ ´õ Å« ¿µÇâÀ» ¹ÌħÀ» º¸¿©ÁØ´Ù. ¶ÇÇÑ ±âÃʼ³°è Ä¡·Î ¼³°è ¸¦ ¸¶Ä£ÈÄ ½Ã°øÁß È¤Àº Ãß°¡·Î °¢Á¾ °èÃøÄ¡°¡ ÀÖÀ» ¶§ updating ÀÌ·ÐÀ» ÀÌ¿ëÇÏ¿© ½Å·Úµµ¸¦ Áõ°¡½Ã ų ¼ö ÀÖÀ½À» º¸¿©ÁÖ¸ç °µµ°è¼öÀÇ º¯È¿¡ ÀÇÇÑ ÆÄ±«È®·üÀÇ º¯È´Â Á¡Âø·ÂÀÇ ºÒÈ®Á¤¼ºÀÌ ³»ºÎ¸¶Âû °¢ÀÇ ºÒÈ®Á¤¼ºº¸´Ù ¹Î°¨ÇÏ°Ô ¿µÇâÀ» ¹ÌħÀ» º¸¿©ÁØ´Ù.Âû °¢ÀÇ ºÒÈ®Á¤¼ºº¸´Ù ¹Î°¨ÇÏ°Ô ¿µÇâÀ» ¹ÌħÀ» º¸¿©ÁØ´Ù.°¡ ´õ¿í Ä¿ÁüÀ» ¾Ë ¼ö ÀÖ´Ù.¹ýÀ» Àû¿ëÇÔÀ¸·Î½á Á¤È®ÇÑ ÇØ¸¦ ±¸ÇÒ ¼ö ÀÖ¾ú´Ù. ¶ÇÇÑ 3Â÷¿ø ºÎ°¡¼öÁú·®À» ÀÌ¿ëÇÑ Á÷Á¢ÀçÇØ¼®±â¹ýÀº Á¾·¡ÀÇ 2Â÷¿ø ºÎ°¡¼öÁú·®°ú 3Â÷¿ø ¼öÁ¤°è¼ö¸¦ ÀÌ¿ëÇÑ ¹æ¹ý¿¡ ºñÇØ ÇØ¼®½Ã°£ ¸é¿¡¼µµ ÀüÇô ºÒ¸®ÇÑ Á¡ÀÌ ¾ø´Â °æÁ¦Àû ¹æ¹ýÀÓÀÌ ¹àÇôÁ³´Ù. ¾ÕÀ¸·Î Slamming ȤÀº ¼öÁ߯øÆÄ µîÀÇ Ãæ°ÝÇÏÁß¿¡ ÀÇÇÑ ÃµÀÌ ±¸Á¶ÀÀ´ä ÇØ¼®À» À§ÇÑ È¿°úÀûÀÎ ¹æ¹ý¿¡ ´ëÇØ¼µµ ¿¬±¸°á°ú¸¦ ¹ßÇ¥ÇÒ °èȹÀÌ´Ù.ÀÌ ¹«°Å¿ï¼ö·Ï ¿ìÈÀ²ÀÌ ³ôÀº ÆíÀ̾ú´Ù. À̾ӽñ⺰ ¿ùµ¿À¯Ãæ¿¡¼ ¿ìȽñâ±îÁöÀÇ ±â°£Àº Á¶±âÀ̾ӴäÀÌ 44ÀÏ, Áß±âÀ̾ӴäÀÌ 47ÀÏ, Èıâ À̾ӴäÀÌ 51Àϰ£À¸·Î ´Ê°Ô À̾ÓÇÒ¼ö·Ï ±â°£ÀÌ ´õ ±ä °æÇâÀ̾ú´Ù.-35.6dB¿´´Ù. ¶Ç, 50kHz¿¡¼ ¸»ÁãÄ¡, ¹Î¾î, ³ë·¡¹Ì, ³ÒÄ¡¿¡ ´ëÇÑ ±× °ªÀº °¢°¢ -37.2dB, -37.3dB, -31.9dB, -36.0dB¿´´Ù. ÇÑÆí, ¾îüÀÇ Æò±Õ¹Ý»ç°µµÀÇ ÃßÁ¤Á¤µµ´Â ÀÚ¿ø·®ÃßÁ¤Ä¡ÀÇ ½Å·Úµµ¸¦ Á¿ìÇÏ´Â Á÷Á¢ÀûÀÎ ¿äÀÎÀÌ µÇ¹Ç·Î, ¾ÕÀ¸·Î ÀÌ ¹®Á¦¿¡ ´ëÇØ¼´Â º¸´Ù ü°èÀûÀÎ ¿¬±¸°¡ ÇÊ¿äÇÏ´Ù°í ÆÇ´ÜµÈ´Ù. ±×¹°º£µµ¶óÄ¡ Dictyosoma burgeri Van der Hoeven ¹× ȲÁ¡ º£µµ¶óÄ¡Dictyosoma wbrimaculata Yatsu, Yasuda et Taki, ±×¸®°í ȲÁÙº£µµ¶óÄ¡¶õ PholididaeÀÇ È²ÁÙº£µµ¶óÄ¡ Phoris taczanowskii(Steindachner), ¿À»öº£µµ¶óÄ¡ Phoris omotus (Girad), º£µµ¶óÄ¡ Pholis nebuloso(Temminck et Schlegel), Ⱥº£µµ¶óÄ¡ Pholisfangi(Wang et Wang) ¹× Á¡º£µµ¶óÄ¡ Pholis crossispino(Temminck et Schlegel)ÀÇ 17¼Ó 25Á¾ÀÌ ºÐ·ùµÇ¾ú´Ù. ÀÌÁß¿¡¼ Zoarchias glaber, Chirofophis oui, Alectrias benjamin |
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| The purpose of this paper is to develop a reliability model for slope stability of Earth-rockfill dams which accounts for all uncertainties encountered. The uncertain factors of the design variables include the cohesion, the angle of internal friction, and the porewater Pressure in each zone. More specifically, the model errors in estimating those variables are studied in depth. To reduce the uncertainties due to model errors, updated design variables are obtained using Bayesian Theory. For stability analysis, both the two-dimesional stability analysis and the three-dimensional stability analysis where the end effects and the system reliability concept are considered are used for the reliability calculations. The deterministic safety factor by the three-dimensional analysis is lager than that by the two-dimensional anlysis. However, the probability of failure by the three-dimensional analysis is about 3.5 times larger that by the two-dimensional analysis. It is because the system reliability concept is used in the three-dimensional analysis. The sensitivity analysis shows that the probability of failure is more sensitive to the uncertainty of the cohesion than that of the angle of internal friction. |
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.7, no.3, 1991³â, pp.21-32
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199111920444266)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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