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Çѱ¹Áö¹Ý°øÇÐȸ / v.10, no.1, 1994³â, pp.27-46
Æò¸é º¯Çü·ü ¾ÐÃà»óÅ¿¡¼­ÀÇ ¸ð·¡ÀÇ ¹Ì¼Ò º¯Çü·ü ÃøÁ¤
( Small Strain Measurements of Sands in Plane Strain Compression )
¹ÚÃá½Ä;ÀåÁ¤¿í; Á¤È¸¿ø, â¿ø´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;ÀϺ» µ¿°æ´ëÇÐ »ý»ê±â¼ú¿¬±¸¼Ò ±³¼ö, Á¤È¸¿ø, Çö´ë°Ç¼³ ±â¼ú¿¬±¸¼Ò ¼±ÀÓ¿¬±¸¿ø, Á¤È¸¿ø, µ¿¾Æ´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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º» ¿¬±¸´Â ¹Ì¼Ò º¯Çü·ü¹üÀ§($10^{-5}$ÀÌÇÏ)¿¡¼­ ÆÄ±«»óűîÁöÀÇ º¯Çü·üÀ» Á¤¹ÐÇϰÔ, ±×¸®°í ¿¬¼ÓÀû À¸·Î ±¸Çϱâ À§ÇØ ÇÊ¿äÇÑ ¹Ì¼Ò º¯À§ ÃøÁ¤½Ã½ºÅÛÀ» º¸°íÇϰí,ÀÌ ÃøÁ¤ ½Ã½ºÅÛÀ» ÀÌ¿ëÇÏ¿© Æò¸é º¯ Çü·ü »óÅ¿¡¼­ÀÇ ¸ð·¡ÀÇ ¹Ì¼Ò°Åµ¿À» ÀÚ¼¼È÷ ¿¬±¸ÇÏ¿´´Ù. ±× °á°ú, RoweÀÇ ÀÀ·Â-´ÙÀÌ·¯ÅϽà °ü°è´Â Àü´Üº¯Çü·ü $10^{-5}$ÀÌÇÏÀÇ ±ØÈ÷ ¹Ì¼ÒÇÑ º¯Çü·ü ¼öÁØ¿¡¼­ ÆÄ±«»óűîÁö ¼º¸³ÇÏ¿´´Ù. ±×·¯³ª, R=K.D¿¡¼­ K°ªÀº¸ð·¡ÀÇ Á¾·ù¿¡ µû¶ó´Þ¶ú´Ù. ¶Ç, °ú¾Ð¹Ðºñ°¡ ź¼º¿µ¿ª»óÅ¿¡¼­ÀÇ Æ÷¾Æ¼Ûºñ(${ u}_{psc}^e$) ¹× RoweÀÇ ÀÀ·Â-´ÙÀÌ·¯ÅϽà °ü°è¿¡ ¹ÌÄ¡´Â ¿µÇâ Àº °ÅÀÇ ¾ø´Ù´Â °ÍÀ» ¾Ë¾Ò´Ù.
It has been demonstrated in plane strain compression tests performed on dense Toyoura sand and Silver Leighton Buzzard sand, that the newly developed instrumentation for small strain measurements was capable of measuring the altering stiffness of sands for a wide range of shear strain from ($10^{-6}$to $10^{-2}$. It was found that for the range of shear strain($gamma$) from $10^{-5}$ to those at peak, the Rowe's stressiilatancy relation seemed to be a good approximation for Toyoura sand and Silver Leighton Buzzard sand. However, the value of K and Poisson's ratio(at elastic range:${ u}_{psc}^e$) varied with sand types. It was also found that the value of ${ u}_{psc}^e$ and stress -dilatancy relation was irrespective of overconsolidation ratio(OCR).
 
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.10, no.1, 1994³â, pp.27-46
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199411920445298)
¾ð¾î : Çѱ¹¾î
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