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Çѱ¹Áö¹Ý°øÇÐȸ / v.22, no.10, 2006³â, pp.151-163
³«µ¿°­ ¸ð·¡ÀÇ ºñ¹è¼ö Á¤Àû ¹× ¹Ýº¹ Àü´Ü°Åµ¿ »óÈ£°ü°è ºÐ¼®
( Analysis of Interrelationship between Undrained Static and Cyclic Shear Behavior for Nak-Dong River Sand )
±è´ë¸¸;±èº´Å¹; ÁøÁÖ»ê¾÷´ëÇб³ Åä¸ñ°øÇаú;GS°Ç¼³ Åä¸ñTK¼³°èÆÀ;
 
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º» ³í¹®¿¡¼­´Â ¸ð·¡ÀÇ ºñ¹è¼ö Á¤ÀûÀü´Ü°Åµ¿°ú ¹Ýº¹Àü´Ü°Åµ¿ÀÇ »óÈ£°ü°è¸¦ ºÐ¼®Çϱâ À§ÇÏ¿© ³«µ¿°­ ¸ð·¡¸¦ »ç¿ëÇÏ¿© ºñ¹è¼ö Á¤Àû ¹× ¹Ýº¹»ïÃà½ÃÇèÀ» ½Ç½ÃÇÏ¿´´Ù. Á¤Àû»ïÃà½ÃÇèÀº ¹Ýº¹Àü´Ü°Åµ¿°úÀÇ »óÈ£ºñ±³¸¦ À§ÇÏ¿© ÀÎÀå½ÃÇèÀ» Æ÷ÇÔÇÏ¿© ½Ç½ÃÇÏ¿´´Ù. ±×¸®°í ¹Ýº¹»ïÃà½ÃÇèÀº ÃʱâÁ¤ÀûÀü´ÜÀÀ·Â$(q_{st})$°ú ¹Ýº¹ÀÀ·Â$(q_{cy})$Á¶°ÇÀ» Á¶ÇÕÇÏ¿© ¿©·¯ ÀÀ·ÂÁ¶°Ç ÇÏ¿¡¼­ ½Ç½ÃÇÏ¿´´Ù. ½ÃÇè°á°ú ¹Ýº¹Àü´Ü°Åµ¿ÀÇ ÀÀ·Â°æ·Î´Â Á¤ÀûÀü´Ü°Åµ¿ÀÇ ÇѰèÀÀ·Âºñ(CSR)¼±À» Áö³ª¸é¼­ À¯µ¿º¯ÇüÀÌ ¹ß»ýÇÏ¿© Á¤ÀûÀü´Ü°Åµ¿°ú ÀÏÄ¡ÇÏ¿´À¸¸ç, ±× ÈÄ Á¤ÀûÀü´Ü°Åµ¿ÀÇ ÆÄ±«¼±(FL)À» µû¶ó ÆÄ±«°¡ ¹ß»ýÇÏ¿´´Ù. ÀÌ·¯ÇÑ ¹Ýº¹ Àü´Ü°Åµ¿ÀÇ ÀÀ·Â°æ·Î´Â ½ÃÇè¹æ¹ýÀÌ ´Ù¸§¿¡ µû¸¥ ¾à°£ÀÇ Â÷ÀÌ´Â ÀÖÀ¸³ª Á¤ÀûÀü´Ü°Åµ¿ÀÇ ÀÀ·Â°æ·Î¿Í º»ÁúÀûÀ¸·Î µ¿ÀÏÇÔÀ» ¾Ë ¼ö ÀÖ¾ú´Ù.
This paper presents the interrelationship between undrained static and cyclic shear behavior. Laboratory works were performed through the undralned static and cyclic triaxial test using Nak-Dong River sand. And static triaxial test involved the triaxial extension test for comparison with cyclic shear behavior Cyclic triaxial test was performed with a variety of combination conditions of initial static shear stress $(q_{st})$ and cyclic stress $(q_{cy})$. In this result, the stress path of cyclic shear behavior was correspondent with static shear behavior passing the critical stress ratio (CSR) line because of the development of flow deformation. After that, a failure occurred according to failure line (FL) of static shear behavior. The stress path of cyclic shear behavior showed essentially the same with static shear behavior, although it appears a little different in test method.
 
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Critical stress ratio;Cyclic triaxial test;Liquefaction;Nak-Dong River sand;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.22, no.10, 2006³â, pp.151-163
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200604623521441)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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