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Çѱ¹Áö¹Ý°øÇÐȸ / v.21, no.3, 2005³â, pp.99-108
È®Àå Baysian ¹æ¹ý°ú »ó´ëº¯À§¸¦ ÀÌ¿ëÇÑ ÅͳΠ¿ªÇؼ® ±â¹ý
( Back-analysis Technique in Tunnelling Using Extended Bayesian Method md Relative Convergence Measurement )
Ãֹα¤;Á¶±¹È¯;À̱ÙÇÏ;ÃÖÃæ½Ä; ¿ë¸¶ ¿£Áö´Ï¾î¸µ ±â¼ú¿¬±¸¼Ò;¼­¿ï»ê¾÷´ëÇб³ °Ç¼³´ëÇÐ ±¸Á¶°øÇаú;(ÁÖ)Æ÷½ºÄÚ °Ç¼³ Åä¸ñ±â¼úÆÀ;(ÁÖ)Æ÷½ºÄÚ °Ç¼³ Åä¸ñ±â¼úÆÀ;
 
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ÁöÇÏ ±¸Á¶¹°À» ¼³°èÇϴµ¥ À־ °¡Àå Áß¿äÇϸ鼭µµ ¾î·Á¿î ÀÏÀº ´ë»ó Áö¹ÝÀÇ Á¤È®ÇÑ °øÇÐÀû Ư¼ºÀ» ÆÄ¾ÇÇÏ´Â °ÍÀÌ´Ù. º» ³í¹®ÀÇ ÁÖµÈ ¸ñÀûÀº ÅͳΠÁÖº¯Áö¹ÝÀÇ Áö¹ÝÁ¤¼ö Æò°¡¸¦ À§ÇÑ »õ·Î¿î ÅͳΠ¿ªÇؼ® ±â¹ýÀÇ Á¦¾È¿¡ ÀÖ´Ù. À̸¦ À§ÇÏ¿©, Ãʱ⠿¹ÃøÄ¡¿Í °èÃøÄ¡·ÎºÎÅÍ ¿¹ÃøµÈ °ªÀ» ÇÕ¸®ÀûÀ¸·Î Á¶ÇÕÇÒ ¼ö ÀÖ´Â È®Àå Bayesian ¹æ¹ý(Extended Bayesian Method, EBM)À» Àû¿ëÇÏ¿´´Ù. ¶ÇÇÑ ÅͳΠ³»¿¡¼­ °èÃøµÈ ÅͳΠ»ó´ëº¯À§¸¸À» ¿ªÇؼ® ÀԷ°ªÀ¸·Î »ç¿ëÇÔÀ¸·Î½á ÅͳΠÀý´ëº¯À§ ¿¹ÃøÀ» À§ÇÑ ¼öÇÐÀû ¿¬»ê °úÁ¤¿¡¼­ ¹ß»ýµÇ´Â ¿ÀÂ÷¸¦ Á¦°ÅÇÏ¿´À¸¸ç, ÅͳΠ»ó´ëº¯À§ ¹ß»ý °æÇâÀ» ¿ªÇؼ®¿¡ ÃæºÐÈ÷ ¹Ý¿µÇϱâ À§ÇÏ¿© 3Â÷¿ø ¼öÄ¡ÇØ¼®À» Àû¿ëÇÏ¿´´Ù. À̸¦ ¹ÙÅÁÀ¸·Î º» ³í¹®¿¡¼­´Â ÅͳΠ»ó´ëº¯À§¸¦ ÀÌ¿ëÇÑ 3Â÷¿ø ÅͳΠ¿ªÇؼ® ±â¹ýÀ» Á¦¾ÈÇÏ¿´À¸¸ç, °¡»óÀÇ ´Ü¸é¿¡ ´ëÇÑ ¿¹Á¦Çؼ®À» ÅëÇØ ±× Àû¿ë¼ºÀ» °ËÁõÇÏ¿´´Ù.
One of the most important and difficult tasks in designing underground structure is the estimation of engineering properties of the ground. The main purpose of this study is to propose a new back-analysis technique in tunnelling to estimate geotechnical parameters around a tunnel. In this study, the Extended Bayesian Method, which appropriately combines objective information with subjective one, is adopted to optimize engineering parameters. By using only relative convergence data measured during tunnelling as input values in back-analysis, inevitable errors in absolute convergence estimation are excluded and 3-dimensional numerical analysis is applied to consider a trend of relative convergence occurrence. Finally, 3-dimensional back-analysis technique using relative convergence is proposed and evaluated using a hypothetical site.
 
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Back-analysis;Numerical analysis;Parameter estimation;Relative convergence;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.21, no.3, 2005³â, pp.99-108
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200520828086595)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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