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Çѱ¹Áö¹Ý°øÇÐȸ / v.15, no.6, 1999³â, pp.17-28
ÀÚ¿¬Á¡ÅäÀÇ º¯Çü·ü¼Óµµ ÀÇÁ¸ÀûÀÎ ¾Ð¹Ð°Åµ¿ÀÇ ÇØ¼®
( Modeling Strain Rate-dependent Behavior in Consolidation of Natural Clay )
±èÀ±ÅÂ;; LG °Ç¼³ Åä¸ñ¿£Áö´Ï¾î¸µ ÅäÁú ¹× ±âÃÊÆÀ;Laval University Åä¸ñ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â ÀÚ¿¬Á¡ÅäÀÇ ¾Ð¹Ð¿¡ ´ëÇÑ º¯Çü·ü¼ÓµµÀÇ ¿µÇâÀ» ÇØ¼®Çϱâ À§ÇÏ¿© ºñ¼±Çü Á¡Åº¼Ò¼º ¸ðµ¨À» Á¦¾ÈÇÏ¿´´Ù. ¿¬¾àÁö¹ÝÀÇ Á¡¼Ò¼º °Åµ¿Àº À¯ÀÏÇÑ À¯È¿ÀÀ·Â-º¯Çü·ü-º¯Çü·ü¼Óµµ (equation omitted)ÀÇ °ü°è½ÄÀ¸·ÎºÎÅÍ ±¸ÇÒ ¼ö ÀÖ´Ù. Berthierville Á¡Åä¿¡ ´ëÇÑ Å©¸®ÇÁ½ÇÇè, ´Ù´Ü°è ÇÏÁß½ÇÇè, Relaxation½ÇÇè°ú °°Àº ½Ç³»½ÇÇè°á°ú¿Í ¼öÄ¡ÇØ¼®°á°ú¸¦ ºñ±³ÇÏ¿´´Ù. Á¦¾ÈµÈ Á¡Åº¼Ò¼º ¸ðµ¨À» »ç¿ëÇÏ¿© ÀÚ¿¬Á¡ÅäÀÇ ¾Ð¹Ð°Åµ¿À» ºñ±³Àû Á¤È®È÷ ¿¹ÃøÇÒ ¼ö ÀÖ´Ù.
In order to analyze effects of strain rate on consolidation of natural clay, this paper presents a nonlinear elasto viscoplastic model in which viscoplastic behavior is modeled by a unique effective stress-strain-strain rate relationship (equation omitted). The predicted values using numerical analysis are compared with measured ones in several laboratory tests such as creep test, multistage load test, and relaxation test for Berthierville clay. It is possible to estimate consolidation behavior of natural clay with reasonable accuracy using the proposed nonlinear viscoplastic model.
 
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Consolidation;Soft clay;Strain rate;Viscoplastic strain;Relaxation;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.15, no.6, 1999³â, pp.17-28
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911921749723)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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