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Çѱ¹Áö¹Ý°øÇÐȸ / v.18, no.4, 2002³â, pp.215-228
ºñµî¹æ°æÈ­ ±¸¼º¸ðµ¨À» ÀÌ¿ëÇÑ ´ëº¯Çü ÇØ¼® :II. ÇØ¼®
( Large Deformation Analysis Using an Anistropic Hardening Constitutive Model : II. Analysis )
Àüº´°ï;ÇѼº¼ö;¿À¼¼ºØ; ¿µ³²´ëÇб³ Åä¸ñ°øÇаú;¿µ³²´ëÇб³ Åä¸ñ°øÇаú;¿µ³²´ëÇб³ Åä¸ñ°øÇаú;
 
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µ¿¹Ý³í¹®(¿À¼¼ºØ, 2002)¿¡¼­´Â Àüü º¯Çüµµ ¿µ¿ªÀÇ °Åµ¿À» ¸ðµ¨ÇÒ ¼ö ÀÖ´Â GUX( ±¸¼º¸ðµ¨À» ABAQUS ÄÚµå(Hibbit µî, 2001)¿¡ ±¸ÇöÇÏ¿´´Ù. ¸ÕÀú Á¤È®µµ ÇØ¼®À» ÅëÇÏ¿© µ¿¹Ý³í¹®¿¡¼­ ±¸ÇöÇÑ ³»ÀçÀû ÀÀ·ÂÀûºÐ ±â¹ýÀÌ ÇØÀÇ Á¤È®µµ¸¦ È®º¸ÇÔÀ» ¾Ë ¼ö ÀÖ¾ú´Ù. GUX ¸ðµ¨Àº ÀüÀÀ·Â °³³ä¿¡ ÀǰÅÇÑ ºñµî¹æ°æÈ­ ź¼Ò¼º ±¸¼º¸ðµ¨À̹ǷΠ¿ÏÀü ¹è¼ö ¶Ç´Â ºñ¹è¼ö »ïÃà½ÃÈû½Ã ÀÀ·Â-º¯Çüµµ °ü°è¸¦ ÀÔ·ÂÇÏ¿© ´ë»ó¹®Á¦¸¦ ¹è¼ö ¹× ºñ¹è¼öÁ¶°Ç¿¡ µû¶ó ÇØ¼®ÇÒ ¼ö ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â ¿¬¾àÁö¹Ý ¹× dzȭÅä Áö¹Ý»ó ¼ºÅä½Ã ¾ÈÁ¤¼º ¹®Á¦¿Í Áö¹Ý-¸»¶Ò°èÀÇ ÃàÇÏÁß ÀçÇϽà °Åµ¿¿¡ ´ëÇÑ ¿¹Á¦ ÇØ¼®À» ¼öÇàÇÏ¿´´Ù. ±×¸®°í ´ëº¯Çü ÇØ¼®À» ÅëÇÏ¿© ±âÇÏÇÐÀû ºñ¼±Çü¼ºÀ» °í·ÁÇÏ¿´°í Àüü º¯Çüµµ °Åµ¿À» ÇÕ¸®ÀûÀ¸·Î ¸ðµ¨ÇÏ´Â GUX ¸ðµ¨À» ÀÌ¿ëÇÑ °á°ú¸¦ Mises ¸ðµ¨ °á°ú¿Í ºñ±³ÇÏ¿´´Ù.
In a companion paper. (Oh, 2002), the constitutive model, called GUX model, was implemented as a user subroutine in ABAQUS code, where the GUX model could describe the behavior of overall strain range. An accuracy analysis verified that the implicit stress integration maintained the accuracy of solutions successfully. Since the GUX model is an anistropic hardening elasto-plastic constitutive model based on total stress concept, geotechnical problems under fully drained or undrained condition can be analyzed after acquisition of stress-strain relationships from drained or undrained triaxial tests. This study includes the analyses of the stability of embankments on soft clays and weathered soils and the example of axially loaded soil-pile system. In the large deformation analyses, geometric nonlinearity was considered and the result of analyses with GUX model was compared with that of Mises model for the overall strain range behavior.
 
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ABAQUS;Embankments;Large deformation analysis;Nonlinear finite element analysis;Overall strain range behavior;Piles;Weathered soils;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.18, no.4, 2002³â, pp.215-228
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200211921342095)
¾ð¾î : Çѱ¹¾î
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