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Çѱ¹Áö¹Ý°øÇÐȸ / v.12, no.4, 1996³â, pp.21-32
µî¹æ¾Ð¹ÐÁ¡Åä¿¡¼­ Ç׺¹°æ°è¸é ¼Ò¼º¸ðµ¨ÀÇ ¸Å°³º¯¼ö
( The Parameters of the Bounding Surface Plasticity Model in the Isotropically Consolidated Clay )
ÀÌ¿µ»ý;±è¿ø¿µ; Á¤È¸¿ø, °æ±â´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;Á¤È¸¿ø, Çѱ¹Á¾ÇÕ±â¼ú°³¹ß°ø»ç ÅäÁúºÎ »ç¿ø;
 
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ÈëÀÇ ÀÀ·Â-º¯Çü·ü °Åµ¿À» ´õ¿í ±Ù»çÀûÀ¸·Î ¿¹ÃøÇϱâ À§ÇÏ¿©,¼Ò¼º ÁõºÐÀ̷п¡ ÇѰè»óÅ ÅäÁú¿ªÇÐÀÇ °³³äÀ» µµÀÔÇÑ °ÍÀÌ Ç׺¹-°æ°è¸é ¼Ò¼º ¸ðµ¨ÀÌ´Ù. ÀÌ ¸ðÅÚÀº µî¹æ ¾Ð¹Ð ÈëÀÇ °Åµ¿À» ¹¦»çÇϱâ À§ÇÏ¿© µÎ°³ÀÇ Å¸¿ø°ú ÇϳªÀÇ ½Ö°î¼±À¸·Î ±¸¼ºµÇ¾ú´Ù. µû¶ó¼­ »ç¿ëµÈ ¿©·¯°¡Áö ¸Å°³º¯¼ö·Î ÀÎÇÏ¿© ÀÌ ¸ðµ¨Àº ¸Å¿ì º¹ÀâÇÏ´Ù. ±×·¯¹Ç·Î,½ÇÁ¦ Áö¹Ý ¹®Á¦¿¡ ÀÌ ¸ðµ¨À» Àû¿ëÇϱâ À§ÇÏ¿©´Â ÀÌ·ÐÀÇ Á¤È®ÇÑ ÀÌÇØ¿Í ¼÷·ÃÀÌ ¿ä±¸µÈ´Ù. º» ³í¹®¿¡¼­´Â,ÀÌ ¸ðµ¨¿¡ »ç¿ëµÈ ¿©·¯ ¸Å°³º¯¼öµé ÁßÇ׺¹-°æ°è¸é Çü»ó ¸Å°³º¯¼ö R°ú A, Åõ¿µ Á᫐ ¸Å°³º¯¼ö C¸¦ º¯È­½ÃÄÑ ±× °á°ú¸¦ ¼öÄ¡ÇØ¼®ÇÏ¿´´Ù. ÃÖÁ¾ÀûÀ¸·Î ´ÜÁ¶ÇÏÁß°ú ÁÖ±âÇÏÁß¿¡ ´ëÇÑ °¢°¢ÀÇ ¹Î°¨µµ¸¦ ºÐ¼®ÇÏ¿´°í °¢ ¸Å°³º¯¼ö °ªÀÇ ¹üÀ§¸¦ Á¦¾ÈÇÏ¿´´Ù.
To predict the stress-strain behavior of the soil more approximately, the concept of the critical state soil mechanics was added to the plasticity increment theory in the bounding surface Plasticity model. This model was constituted with two ellipse and one hyperbola in older to describe the behaviour of the isotropically consolidated soil. Thus, this model is very complicate due to the various parameters used. Therefore, the accurate understanding and skill of the theory is required in order to apply this model to the practical geotechnical problems. In the present paper, the bounding surface shape paraiheter R and A, the mapping center parameter C among various parameters used were varied and the results were numerically analized. Finally, each sensitivity with respect to monotonic and cyclic loading was analized and the range of the value of the each parameter was proposed.
 
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Bounding surface;Plastic modulus;Plastic internal variable;Monotonic loading;Cyclic loading;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.12, no.4, 1996³â, pp.21-32
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199611920446642)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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