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Çѱ¹Áö¹Ý°øÇÐȸ / v.23, no.3, 2007³â, pp.123-131
ºÎ»ê¸ð·¡ÀÇ »óÅÂÁ¤¼ö¿Í ÄÜÀúÇ×Ä¡ »ó°ü°ü°è
( Relationship between the State Parameter and Cone Resistance of Busan Sand )
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ÀÏ·ÃÀÇ CID »ïÃà¾ÐÃà½ÃÇè°ú ½Ç³»ÄܰüÀÔ½ÃÇèÀ» ÅëÇÏ¿© ºÎ»ê¸ð·¡¿¡¼­ÀÇ »óÅÂÁ¤¼ö¿Í Á¤±ÔÈ­µÈ ÄÜÀúÇ×Ä¡ÀÇ »ó°ü°ü°è¸¦ ÆÄ¾ÇÇÏ¿´´Ù. »ïÃà¾ÐÃà½ÃÇè°á°ú¸¦ Åä´ë·Î ºÎ»ê¸ð·¡ÀÇ ÇѰè»óż±À» µµÃâÇÏ¿´À¸¸ç 3°³ÀÇ ÇѰè»óÅÂÁ¤¼ö´Â $M=1.39(phi_{cs}=34^{circ}),;Gamma=1.07$ ¹× $lambda=0.068$ÀÎ °ÍÀ¸·Î »êÃâµÇ¾ú´Ù. ºÎ»ê¸ð·¡ÀÇ »óÅÂÁ¤¼ö¿Í Á¤±ÔÈ­µÈ ÄÜÀúÇ×Ä¡ÀÇ »ó°ü°ü°è´Â $(q_c-p)/p'=27.6exp(-10.9Psi)$ÀÇ ½ÄÀ¸·Î Ç¥ÇöµÇ¾úÀ¸¸ç, ÀÌ´Â ÀÀ·ÂÀ̷¿¡ °ü°è¾øÀÌ µ¿ÀÏÇÔÀ» È®ÀÎÇÏ¿´´Ù. ¹®ÇåÁ¶»ç¸¦ ÅëÇØ ¾òÀº ´Ù¸¥ ¸ð·¡½Ã·áÀÇ Á¤±ÔÈ­µÈ ÄÜÀúÇ×Ä¡ ±â¿ï±â m ¹× $Psi=0$¿¡¼­ÀÇ ÀýÆí°ª $kappa$¸¦ ºñ±³ ºÐ¼®ÇÑ °á°ú, ºÎ»ê¸ð·¡´Â À¯»çÇÑ $lambda_{ss}$ °ªÀ» °®´Â ¸ð·¡½Ã·á Áß °¡Àå Å« $kappa$°ªÀ» º¸¿´À¸³ª, m°ú $kappa$°¡ $lambda_{ss}$¿Í °®´Â °ü°è´Â ±âÁ¸¿¡ ¹ßÇ¥µÈ ÀÚ·á¿Í ÀÏÄ¡ÇÔÀ» È®ÀÎÇÏ¿´´Ù.
A series of CIDC triaxial tests and cone penetration tests in calibration chamber were performed to investigate the relationship between state parameter and normalized cone resistance far dredged Busan sand. From the results of the triaxial tests, the critical state line of Busan sand was established, and the critical state parameters found to be $M=1.39(phi_{cs}=34^{circ}),;Gamma=1.07$ and $lambda=0.068$. By analyzing the state parameters and corresponding cone resistances for calibration chamber specimens, the relationship between normalized cone resistance and state parameter for Busan sand was defined as $(q_c-p)/p'=27.6exp(-10.9Psi)$. This relationship was also shown to be independent of the stress history. From the comparison of the slope of the normalized cone resistance, m, and the normalized cone resistance at $Psi=0$, $kappa$, with those of various sandy soils from over the world, the relationship of m and $kappa$ with $lambda_{ss}$ of Busan sand was concluded to show a good agreement with the result published previously, while Busan sand had the largest $kappa$ among the soils with similar $lambda_{ss}$ values.
 
Ű¿öµå
Busan sand;Calibration chamber;Cone resistance;Critical state;Shear response;State parameter;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.23, no.3, 2007³â, pp.123-131
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200714539254449)
¾ð¾î : ¿µ¾î
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