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Çѱ¹Áö¹Ý°øÇÐȸ / v.14, no.1, 1998³â, pp.59-70
Áøµ¿»ïÃà½ÃÇèÀ» ÅëÇÑ ½ÇÆ®Áú ¸ð·¡ÀÇ ¾×»óÈ­ °­µµ¿¡ ´ëÇÑ ¿¬±¸
( Liquefaction Strength of Silty Sand through Dynamic Triaxial Tests )
¹ÚÁ¾°ü;±è»ó±Ô;ÇѼº±æ; ¼­¿ï»ê¾÷´ëÇб³ Åä¸ñ°øÇаú;µ¿±¹´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú, µ¿±¹´ëÇб³ ´ëÇпø;;
 
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±¹³» ÇØ¾È¿¡ ÅðÀûµÈ ½ÇÆ®Áú ¸ð·¡¿Í hydraulic fillÇÑ Áö¹Ý¿¡¼­ äÃëÇÑ ½Ã·áÀÇ ¾×»óÈ­ °­µµ ÃøÁ¤À» À§ÇØ ÀÀ·ÂÁ¦¾î Áøµ¿»ïÃà¾ÐÃà½ÃÇèÀ» ¼öÇàÇÏ¿´´Ù. À̸¦ À§ÇØ 1) ºÒ±³¶õ½Ã·á¿Í ±³¶õ½Ã·áÀÇ ¾×»óÈ­ °­µµ »êÁ¤°ú 2) µî¹æ ¾Ð¹ÐµÈ ½Ã·á¿Í ºñµî¹æ ¾Ð¹ÐµÈ ½Ã·áÀÇ ¹Ýº¹»ïÃà½ÃÇè°á°ú ºñ±³, 3) º» ½ÃÇè°á°ú¿Í ±¹³» ´Ù¸¥ ½ÃÇèÀÚ·á ¹× ¿Ü±¹ÀÇ °á°ú¸¦ ºñ±³ÇÏ¿´´Ù. µî¹æ ¾Ð¹Ð ½Ã·áÀÇ ¾×»óÈ­ °­µµ´Â ½Ã·áÀÇ »ó´ë¹Ðµµ¿¡ µû¶ó ³ªÅ¸³»¾ú´Ù. ½ÇÆ®Áú ÇÔÀ¯·®ÀÌ 30%ÀÌÇÏÀÇ °æ¿ì ¾×»óÈ­ °­µµ´Â ½ÇÆ®Áú ¿µÇâÀ» °ÅÀÇ ¹ÞÁö ¾ÊÀ½ÀÌ ³ªÅ¸³µ´Ù. ºñµî¹æ ¾Ð¹ÐµÈ ½Ã·áÀÇ ¾×»óÈ­ °­µµ´Â ¼öÁ÷ÀÀ·ÂÀ» ±¸¼ÓÀÀ·ÂÀ¸·Î ³ª´« À¯È¿¾Ð¹Ðºñ¿¡ ¿µÇâÀ» ¹Þ´Â´Ù. º» ¿¬±¸ÀÇ ½ÃÇè°á°ú Çѱ¹ ¼­ÇؾÈÀÇ ½ÇÆ®Áú ¸ð·¡ÀÇ ¾×»óÈ­ °­µµ´Â Seed and Pea cock(1971)°¡ Á¦¾ÈÇÑ ¹üÀ§¿¡¼­ ³»¿¡ ÀÖÀ½À» ¾Ë ¼ö ÀÖ´Ù.
Samples of silty sands and hydraulic fill ground were investigated by dynamic triaxial teats in order to evaluate the liquefaction strengths. In the tests, (1) undisturbed and disturbed samples were prepared, (2) dynamic shear strengths were measured under isotropic and anisotropic condition, and (3) the test results were compared with the other results which were tested by domestic and foreign researchers. The liquefaction shear strengths under ismtropic test condition were presented in terms of the relative densities. The amount of silt under 30o hardly influenced on the liquefaction strength. In the test results of anisotropically consolidated samples the liquefaction strength was dependent on the magnitude of the effective consolidation ratio. These teat results show that the liquefaction strength of the silty sand in Korea went coast exists within the boundary of the values suggested by Seed and Peacock(1971).
 
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Dynamic triaxial tests;Liquefaction;Anisotropic consolidation;Effective consolidation ratio;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.14, no.1, 1998³â, pp.59-70
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199811920447903)
¾ð¾î : Çѱ¹¾î
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