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Çѱ¹Áö¹Ý°øÇÐȸ / v.10, no.4, 1994³â, pp.119-132
¼¼¸³ºÐÀ» Æ÷ÇÔÇÏ´Â ¸ð·¡Áú ÈëÀÇ ¾×»óÈ­°­µµ¿¡ ¹ÌÄ¡´Â ÀçÇϼӵµÀÇ ¿µÇâ
( The Effect of Cyclic Load Frequency on the Liquefaction Strength of Fine Containing Sands )
Ȳ´ëÁø; Á¤È¸¿ø, »ï¼º°Ç¼³ ±â¼ú¿¬±¸¼Ò ¼±ÀÓ ¿¬±¸¿ø;
 
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º» ¿¬±¸¿¡¼­´Â ½ÇÆ®¸¦ Æ÷ÇÔÇÏ´Â ¸ð·¡ÀÇ ¾×»óÈ­°­µµ ¹× Àü´ÜƯ¼ºÀ» °ËÅäÇϱâ À§ÇÏ¿© ºñ¹è¼ö»óÅ¿¡¼­ µ¿Àû »ïÃà¾ÐÃà½ÃÇèÀ» ÇàÇß´Ù. ±× °á°ú ½ÇÆ®¸¦ Æ÷ÇÔÇÏ´Â ¸ð·¡ÀÇ ¾×»óÈ­°­µµ´Â »ó´ë¹Ðµµ ÀÏÁ¤ÀÇ Á¶°Ç¿¡¼­´Â ½ÇÆ® ÇÔÀ¯À² 30% Á¤µµ¿¡¼­ °¡Àå ¾àÇÑ °ÍÀ¸·Î ÆÇ¸íµÇ¾ú´Ù. ¶ÇÇÑ µ¿Àû »ïÃà¾Ð Ãà½ÃÇèÀÇ ÀçÇϼӵµ¸¦ 0.1Hz¿¡¼­ 5Hz±îÁö º¯È­½ÃÄÑ ½ÇÆ®¸¦ Æ÷ÇÔÇÏ´Â ¸ð·¡Áú ÈëÀÇ ¾×»óÈ­°­µµ¿¡ ¹ÌÄ¡´Â Á¦ÇϼӵµÀÇ ¿µÇâÀ» »ìÆìº» °á°ú ½ÇÆ®ÀÇ ÇÔÀ¯·®ÀÌ ¸¹À»¼ö·Ï ÀçÇϼӵµÀÇ ¿µÇâÀ» ¸¹ÀÌ ¹ÞÀ¸³ª Á¡Å並 ÇÔÀ¯ÇÑ ¸ð·¡Áú Èë¿¡ ºñÇØ¼­´Â ±× ¿µÇâÀÌ ÇöÀúÇÏ°Ô ÀûÀ½À» ¾Ë ¼ö ÀÖ´Ù. ÀÌ·¯ÇÑ °á°úÀÇ ÀÏÀο¡ ´ëÇØ¼­´Â À¯È¿ÀÀ·Â °æ·Î¿¡ À־ÀÇ °£±Ø¼ö¾ÐÀÇ º¯È­»óȲÀ¸·ÎºÎÅÍ ¼³¸íµÉ ¼ö ÀÖ´Ù.
Undrained cyclic triaxial tests were performed on silt contained in the sand in order to investigate the effect of silt contents on the liquefaction strength and shear characterist ifs of the sand. As the result of this experiment, the weakest percentage of silt contained in the sand was 30% for all the relative density considered in the test. Also, the same bests were performed to find the effect of cyclic speed applied ranging from 0.1Hz to 5Hz on the liquefaction strength. The more the silt is contained in the sand, the greater the liquefaction strength was affected by cyclic speed, While the silt -containing sand was far less influenced by the cyclic speed than clay containing sand. These results are believed to be caused by the change of pore water pressure of the effective stress path.
 
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.10, no.4, 1994³â, pp.119-132
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199411920445750)
¾ð¾î : Çѱ¹¾î
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