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Çѱ¹Áö¹Ý°øÇÐȸ / v.12, no.4, 1996³â, pp.131-144
Ãà´ëĪ ºñ¼±Çü ¾Ð¹ÐÇØ¼®À» À§ÇÑ Áö¹ÝÁ¤¼ö°ªÀÇ ÃÖÀûÈ­±â¹ý
( Optimization Techniques for Soil Parameters used in Axisymmetric Nonlinear Consolidation Analysis )
±èÀ±ÅÂ;À̽·¡; Á¤È¸¿ø, Çѱ¹°úÇбâ¼ú¿ø Åä¸ñ°øÇаú;Á¤È¸¿ø, Çѱ¹°úÇбâ¼ú¿ø Åä¸ñ°øÇаú;
 
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¿¬¾àÁö¹ÝÀÇ ¾Ð¹ÐħÇϼӵµ¸¦ Áõ°¡½Ã۰í, ¿ä±¸µÇ´Â Àü´Ü°­´ë¸¦ ¾ò±â À§ÇÏ¿© ¿¬Á÷¹è¼öÀç°¡ º´ÇàµÈ ¼±Çà¾Ð¹ÐÇÏÁß°ø¹ýÀÌ ³Î¸® »ç¿ëµÈ´Ù. ±×·¯³ª ¹è¼öÀç°¡ ¼³Ä¡µÈ ¿¬¾àÁö¹ÝÀÇ ¾Ð¹Ð°Åµ¿À» ÇØ¼®Çϱâ À§ÇÏ¿© ¾Æ¹«¸® Á¤±³ÇÑ ¼öÄ¡ÇØ¼®±â¹ýÀ» »ç¿ëÇÏ´õ¶óµµ Áö¹ÝÁ¤¼ö,¼öÄ¡¸ðµ¨¸µ ¹× °èÃø½Ã½ºÅÛ µî°ú °ü·ÃµÈ ºÒÈ®½Ç¼º ¶§¹®¿¡ ½ÇÁ¦ ÇöÀå¿¡¼­ °üÃøµÇ´Â °Åµ¿Àº ¼³°è´Ü°è¿¡¼­ ¿¹ÃøµÈ °Åµ¿°ú Á¾Á¾ ´Ù¸£´Ù. º» ¿¬±¸¿¡¼­´Â simplex ¹æ¹ý ¹× BFGS ¹æ¹ýÀÇ ¿ªÇؼ® ±â¹ýÀ» Ãà´ëĪ ºñ¼±Çü ¾Ð¹ÐÇØ¼® ÇÁ·Î±×·¥ÀÎ AXICON¿¡ Àû¿ëÇÏ¿´´Ù. AXICONÀº ¹è¼öÀç°¡ ¼³Ä¡µÈ ¿¬¾àÁö¹ÝÀÇ ¾Ð¹Ð°úÁ¤µ¿¾È¿¡ ¹ß»ýÇÏ´Â ¾ÐÃ༺°ú Åõ¼ö°è¼öÀÇ º¯È­¸¦ °í·ÁÇÒ ¼ö ÀÖ´Â À¯ÇÑÂ÷ºÐÇØ¼® ÇÁ·Î±×·¥ÀÌ´Ù. ¹è¼öÀç°¡ ¼³Ä¡µÈ ¿¬¾àÁö¹ÝÀÇ ¾Ð¹Ð°úÁ¤ Ãʱ⠴ܰ迡¼­ °èÃøµÈ °Åµ¿À» ¹ÙÅÁÀ¸·Î º» ÇÁ·Î±×·¥¿¡ Àû¿ëµÈ ¿ªÇؼ®Àû ±â¹ýÀ» ÀÌ¿ëÇÏ¿© ¾Ð¹Ð°Åµ¿°ú °ü·ÃµÈ ÁÖ¿ä ¼³°èº¯¼ö¸¦ ÃÖÀûÈ­ÇÔÀ¸·Î½á Àå·¡ÀÇ ¾Ð¹Ð°Åµ¿À» ºñ±³Àû Á¤È®È÷ ¿¹ÃøÇÏ´Â °ÍÀÌ °¡´ÉÇÏ´Ù.
In order to accelerate the rate of consolidation settlement and to gain a required shear strength for a given soft clay deposit, the preloadina technique combined with a vertical drainage system has been widely applied. Even if a sophisticated numerical analysis technique is applied to solve the consolidation behavior of drainage-installed soft deposits, the actual field behavior is often different from the behavior predicted in the design state due to several uncertainties involved in soil properties, numerical modelling, and measuring system. In this paper, two back-analysis schemes such hs simplex and BFGS methods have been implemented in an a Bisymmetric consolidation program, AXICON which considers the variation of compressibility and permeability during the consolidation process. Utilizing the program, one might be able to appropriately predict the subsequent consolidation behavior from the measured data in an early stage of consolidation of drainage-installed soft deposits.
 
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Axisymmetric;Nonlinear consolidation;Optimization technique;Drains;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.12, no.4, 1996³â, pp.131-144
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199611920446726)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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