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Çѱ¹Áö¹Ý°øÇÐȸ / v.18, no.1, 2002³â, pp.29-39
dzȭÅäÀÇ ºñ¹è¼ö »ïÃà¾ÐÃà½ÃÇè½Ã Àüü º¯Çü·ü ¿µ¿ªÀÇ °Åµ¿¿¡ °üÇÑ ¿¬±¸
( The Behavior of Overall Strain Range in Undrained Triaxial Compression Tests for a Weathered Soil )
¾È¿µ´ë;¿À¼¼ºØ;°íµ¿Èñ;±èµ¿¼ö; (ÁÖ)SOC °Ç¼³¿£Áö´Ï¾î¸µ;¿µ³²´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;Çѱ¹°úÇбâ¼ú¿ø Åä¸ñ°øÇаú;Çѱ¹°úÇбâ¼ú¿ø Åä¸ñ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â ¹Ì¼Òº¯Çü·ü¿¡¼­ ÆÄ±«±ÔÁØÀ» Æ÷ÇÔÇÏ´Â ´ëº¯Çü·ü¿¡ À̸£´Â Àüü º¯Çü·ü ¿µ ¿ªÀÇ °Åµ¿À» ȹµæÇϱâ À§ÇÏ¿©, LVDT¸¦ ÀåÂøÇÏ¿© ±¹ºÎº¯À§¸¦ ÃøÁ¤ÇÑ »ïÃà¾ÐÃà½ÃÇèÀ» ¼öÇàÇÏ¿´´Ù. ÀÌ·¯ÇÑ °á°ú ¹Ì¼Òº¯Çü·ü(0.001% ¼öÁØ)¿¡¼­ ´ëº¯Çü¸¦±îÁö(10%)ÀÇ °Åµ¿À» ÇÕ¸®ÀûÀ¸·Î ±¸ÇÒ ¼ö ÀÖ¾úÀ¸¸ç, ºÒ±³¶õ ¹× ±³¶õ dzȭÅä ½Ã·á¿¡¼­ÀÇ º¯Çü°è¼ö°¡ ¹Ì¼Òº¯Çü·ü ¿µ¿ª¿¡¼­ À¯»çÇÏ°Ô ³ªÅ¸³µ´Ù. ±×¸®°í °øÁøÁÖ(RC)½ÃÇè°ú ºñ¹è¼ö »ïÃà¾ÐÃà½ÃÇè¿¡¼­ ±¸ÇÑ Á¤±ÔÈ­ Àü´Üº¯Çü°è¼ö$(G/G_{max})$ °î¼±ÀÌ ÀÏÄ¡ÇÑ ¹Ý¸é ÃÖ´ëÀü´Üº¯Çü°è¼ö$(G/G_{max})$´Â Æ÷È­µµ¿¡ µû¶ó »óÀÌÇÏ°Ô ³ªÅ¸³µ´Ù. ¶ÇÇÑ ºñµî¹æ°æÈ­ ±¸¼º¸ðµ¨ÀÇ °è¼ö ¿¬±¸¸¦ ÅëÇÏ¿© Àüü º¯Çü·ü ¿µ¿ª °Åµ¿À» ÇÕ¸®ÀûÀ¸·Î ¿¹ÃøÇÒ ¼ö ÀÖÀ½À» È®ÀÎÇÏ¿´´Ù.
In order to evaluate the behavior of overall range from small strain to failure, the triaxial compression tests with LVDTs were performed for local displacement measurements. According to the result it was possible to evaluate the total range behavior from 0.001% to 10% and both secant moduli of undisturbed and disturbed weathered soils had a similar result in the small slain level. The normalized shear moduli$(G/G_{max})$ in the undrained triaxial compression tests were similar to those of resonant column tests but the maximum shear moduli$(G/G_{max})$ were strongly affected by the ratio of saturation. As a result of parametric study a constitutive model with anisotropic hardening could predict the behavior of total strain range.
 
Ű¿öµå
Constitutive model;Local measurements;Shear moduli;Small strain;Weathered soils;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.18, no.1, 2002³â, pp.29-39
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200211921043942)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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