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Çѱ¹Áö¹Ý°øÇÐȸ / v.11, no.3, 1995³â, pp.81-90
°³¼±µÈ ź.¼Ò¼º ±¸¼º¸ðµ¨À» ÀÌ¿ëÇÑ »çÁúÅäÀÇ ÀÀ·Â-º¯Çü·ü °Åµ¿¿¹Ãø
( A Prediction of Behavior of Granular Soils Based on the Advanced Elasto Plastic Model )
¹Úº´±â;ÀÓ¼ºÃ¶;À̰­ÀÏ; Àü³²´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;µÎ»ê¿£Áö´Ï¾î¸µ (ÁÖ), Àü³²´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;;
 
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º»¹®Àº ÇöÀç Á¦¾ÈµÇ°í ÀÖ´Â Lade¸ðµ¨À» ºÐ¼®ÇÏ¿© °°Àº °üÁ¡¿¡¼­ Lade¸ðµ¨°ú´Â ´Ù¸¥ °³¼±µÈ ź.¼Ò¼º ¸ðµ¨À» Á¦¾ÈÇϰíÀÚ ÇÑ °ÍÀÌ´Ù. ÀÌ Á¦¾È¸ðµ¨ÀÇ ¼Ò¼ºÆ÷ÅÙ¼ÈÇÔ¼ö(gp)´Â Ç׺¹ÇÔ¼ö(fp)¿¡ ´Ù¸¥ ÀÀ·ÂºÒº¯·®(I1)À» ºÎ°¡½ÃŲ ÇüÅ·ΠÁ¦¾ÈÇÏ¿´À¸¸ç, À̸¦ ±³Á¤ÇÔ¼ö(Correction Function)¶ó°í Á¤ÀÇÇÏ¿© Àü´ÜÇ׺¹¸éÀ» °áÁ¤ÇÒ ¶§ ¼Ò¼ºÆ÷ÅÙ¼ÈÇÔ¼ö°¡ µ¶¸³ÀûÀ¸·Î ±â´ÉÇÏ¿© ±¸¼º½ÄÀÇ È®ÀåÀ̳ª º¯È­¿¡ ´ëÀÀ Çϵµ·Ï ÇÏ¿´´Ù. º» ¿¬±¸´Â ÀÏÁ¾ÀÇ ÇØ¼®Àû ¿¬±¸À̹ǷΠ±× °á°ú´Â ±âÁ¸ÀÇ ¿¬±¸À̷аú ºñ±³µÇ¾î¾ß ÇϹǷΠSacramento River SandÀÇ ½ÃÇè°á°ú¿Í ¹é¸¶°­¸ð·¡ÀÇ ½ÃÇè°á°úÀÇ ¸Å°³º¯¼ö¸¦ ÀÌ¿ëÇÏ¿© Lade¸ðµ¨°ú Á¦¾È¸ðµ¨ÀÇ °á°ú¸¦ »óÈ£ºñ±³ ÇÏ¿© °ËÁõÀ» ½Ãµµ ÇÏ¿´´Ù. °á°úÀûÀ¸·Î º» Á¦¾È¸ðµ¨Àº ´õ Á¤È®ÇÑ ÀÀ·Â-º¯Çü °ü°èÀÇ ¿¹ÃøÀÌ °¡´ÉÇÑ ±¸¼º½ÄÀ¸·ÎÀÇ Àü°³°¡ °¡´ÉÇÒ °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
Based on the close investigation of Lade elasto -plastic model, this study proposes a new elasto -plastic constitutive model for foundation composed of granular soils. The new model contains 1st stress invariant in plastic potential function as well as yield function, which is different from Lade original model. Both these functions called a correction function include a correction term. To validate the new analytical model, it was compered with some previous models. Comparison between the test results and numerical results using Lade and new model was carried out concerning Sacramento River sand, U.S.A and Backma River sand. The conclusion was obtained that more refined model well be deft.eloped throughout this research.
 
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.11, no.3, 1995³â, pp.81-90
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199511920446127)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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