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Çѱ¹Áö¹Ý°øÇÐȸ / v.16, no.3, 2000³â, pp.5-13
Èë-±¸Á¶¹° °æ°è¸éÀÇ µ¿¿ªÇÐÀûÇØ¼®À» À§ÇÑ ±³¶õ»óÅ ¸ðµ¨¸µ
( Disturbed State Modeling for Dynamic Analysis of Soil-Structure Interface )
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º» ¿¬±¸¿¡¼­ Èë(»çÁúÅä)-±¸Á¶¹°ÀÇ °æ°è¸é¿¡ ´ëÇÑ °Åµ¿Æ¯¼ºÀ» ºÐ¼®Çϱâ À§ÇÏ¿© ±³¶õ»óŰ³³ä(DSC)À» ¼öÁ¤ ¹× º¸¿ÏÇÏ¿´´Ù. Á¦¾ÈÇÑ DSC¸ðµ¨¿¡¼­´Â º¯ÇüÁßÀÎ Àç·á´Â »ó´ëÀûÀ¸·Î ¼Õ»óµÇÁö ¾ÊÀº »óÅÂ(RI)¿Í ¿ÏÀü ÆÄ±«µÈ »óÅÂ(FA)°¡ È¥ÇյǾîÀÖ´Ù´Â °¡Á¤¿¡ ±âÃʸ¦ µÎ°í ÀÖ´Ù. RI »óÅ´ HiSS¸ðµ¨À» ÀÌ¿ëÇÏ¿´°í, FA »óÅ´ ÇѰè»óŸðµ¨À» ÀÌ¿ëÇÏ¿´´Ù. ÀÌ·± DSC ¸ðµ¨À» BiotÀ̷п¡ ±âÃÊÇÑ ±âÁ¸ À¯ÇÑ¿ä¼Ò ÇÁ·Î±×·¥¿¡ Á¢¸ñÇÏ¿´´Ù. º» ¿¬±¸¿¡¼­ ¼öÀúÇÑ À¯ÇÑ¿ä¼Ò ÇÁ·Î±×·¥À» ÀÌ¿ëÇÏ¿© ½ÇÁ¦ °æ°è¸é ½ÇÇè(µÎ °¡Áö ÇÏÁßÁ¶°Ç: Á¤ÇÏÁß, µ¿ÇÏÁß)¿¡ ´ëÇÏ¿© ¸ðÀǽÇÇèÀ» ¼öÇàÇÏ¿´´Ù. ¶ÇÇÑ ±× °á°ú¿Í ½Ç³»½ÃÇè°á°ú¸¦ ºñ±³ °ËÅäÇÏ¿´´Ù. DSC¸ðµ¨À» ÀÌ¿ëÇÑ À¯ÇÑ¿ä¼ÒÇØ¼®Àº ½ÇÁ¦ ½Ç³»½ÃÇè °á°ú¿Í À¯»çÇÑ °æÇâÀ» º¸¿´´Ù. º» ¿¬±¸ÀÇ °á°ú¸¦ ÅëÇÏ¿©, DSC¸ðµ¨À» Èë-±¸Á¶¹° °æ°è¸é ÇØ¼®¿¡ ºñ±³Àû ÇÕ¸®ÀûÀÎ °á°ú¸¦ Á¦°øÇÑ´Ù°í ÆÇ´ÜµÈ´Ù.
In this study, the Disturbed State Concept (DSC) constitutive model is calibrated and modified for steel-sand interface by using the HiS S model for relative intact (Rl) state and the critical state model for the fuBy adjusted (FA) part in the material. The general formulation for implementation is developed. Then, the DSC model with modification for interface is implemented in finite element program based on the generalized Biot's theory. The interface test under one-way monotonic and two-way cyclic loading were numerically simulated using the finite element program modified in this study. The DSC predictions show improved agreement with the observed results from laboratory test. Overall, the computer procedure with the DSC allows relatively improved simulation ofthe soil-structure interaction problems.oblems.
 
Ű¿öµå
Disturbed state concept;Soil-structure interaction;Relative intact state;Fully adjusted state;Finite element program;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.16, no.3, 2000³â, pp.5-13
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200011920441127)
¾ð¾î : ¿µ¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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