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Çѱ¹Áö¹Ý°øÇÐȸ / v.7, no.2, 1991³â, pp.41-50
ÈëÀÇ °íº¯Çü·ü Áøµ¿ Ư¼º(ÇÑ°è º¯Çü·üÀ» Áß½ÉÀ¸·Î)
( Dynamic Properties of Soils at High Amplitude (With Emphasis on Threshold Strain) )
¼ÛÁ¤¶ô;; Á¤È¸¿ø, ´ë¿ì¿£Áö´Ï¾î¸µ Åä¸ñ»ç¾÷º»ºÎ ´ë¸®;;
 
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º» ¿¬±¸¿¡¼­ °øÁøÁÖ ½ÇÇèÀ» ¼öÇàÇÏ¿© ÈëÀÇ ÇѰ躯Çü·ü°ú °£±Ø¼ö¾ÐÀÇ º¯È­¸¦ °íÂûÇÏ¿´´Ù. ±× °á°ú ÈëÀÇ ÇѰè Àü´Ü º¯Çü·üÀº ¾àÇÑ Á¡ÅäÁú ÈëÀÇ °æ¿ì 1$ imes$10-2%ºÎ±Ù, ±ú²ýÇÑ ¼®¿µÁú ¸ð·¡ÀÇ °æ¿ì (ASTM C-109 Ottawa Snad) 1$ imes$10-3% ºÎ±Ù, ´Ü´ÜÇÑ Â÷»ê ÅðÀû¹°(Pozzolana)ÀÇ °æ¿ì 1$ imes$10-4% ºÎ±ÙÀÓÀ» º¸¿©ÁÖ¾ú´Ù. ¶Ç ±ú²ýÇÑ ¼®¿µÁú ¸ð·¡ÀÇ °æ¿ì±¸¼Ó ¾Ð·ÂÀÇ º¯È­¿¡ µû¶ó ÇѰ躯Çü·üÀÌ º¯È­µÇ´Â Çö»óÀ» º¸¿©ÁÖ¾ú´Ù. °£±Ø ¼ö¾ÐÀÇ °æ¿ì Àü´Ü º¯Çü·ü 3~4$ imes$10-3% ºÎ±Ù¿¡¼­ºÎÅÍ ¹Ì¼¼ÇÑ º¯È­¸¦ º¸ÀÌ´Ù°¡ Àü´Üº¯Çü·ü 1$ imes$10-2%ºÎ±Ù¿¡¼­ºÎÅÍ Çö°ÝÇÑ Áõ°¡¸¦ º¸¿© ÁÖ¾ú´Ù.
This study investigated the variation of the threshold strain and pore water pressure response of the coils at high amplitude vibration using resonant column test. As a result of tests, threshold shear strains of soft clay, clean quartz sand and stiff volcanic deposit were turned out to be 1$ imes$10-2%, 1$ imes$10-3%, 1$ imes$10-4% respectively. Also, threshold shear Strain was found to be changed with confining pressure for the clean quartz sand. An increase of pore water pressure with shear strain was not significant within the shear strain 3~4$ imes$10-3%, but it was abruptly increased beyond shear strain 1$ imes$10-2%.
 
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.7, no.2, 1991³â, pp.41-50
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199111920444200)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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