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Çѱ¹Áö¹Ý°øÇÐȸ / v.27, no.9, 2011³â, pp.37-46
ºÎ»ê°ú ÀÎõÁ¡ÅäÀÇ ÅðÀû»óŸ¦ °í·ÁÇÑ ¾ÐÃàÁö¼ö ÃßÁ¤
( Prediction of Compression Index of Busan and Inchon Clays Considering Sedimentation State )
È«¼ºÁø;±èµ¿ÈÖ;ÃÖ¿µ¹Î;ÀÌ¿ìÁø; °í·Á´ëÇб³ °ÇÃà.»çȸȯ°æ°øÇкÎ;SK°Ç¼³;°í·Á´ëÇб³ °ÇÃà.»çȸȯ°æ°øÇкÎ;°í·Á´ëÇб³ °ÇÃà.»çȸȯ°æ°øÇкÎ;
 
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¾ÐÃàÁö¼ö´Â Á¡ÅäÀÇ ¾ÐÃàÆ¯¼ºÀ» ³ªÅ¸³»´Â ´ëÇ¥ÀûÀÎ ¹°¼ºÄ¡·Î, ¾Ð¹Ð½ÃÇèÀ» ÅëÇØ Á÷Á¢ °áÁ¤Çϰųª ±âº» ¹°¼ºÀ¸·ÎºÎÅÍ °æÇèÀûÀ¸·Î ÃßÁ¤ÇÑ´Ù. º» ¿¬±¸¿¡¼­´Â ºÎ»ê ¹× ÀÎõÁ¡ÅäÀÇ ÅðÀû»óŸ¦ ÆÄ¾ÇÇϰí À̰ÍÀÌ ¾ÐÃàÁö¼ö ÃßÁ¤½Ä¿¡ ¹ÌÄ¡´Â ¿µÇâ¿¡ ºÐ¼®ÇÏ¿´´Ù. À̸¦ À§ÇØ ºÎ»ê ¹× ÀÎõ Á¡ÅäÀÇ À缺ÇüÁ¡Åä ¾Ð¹Ð½ÃÇèÀ» ¼öÇàÇϰí ÀÚ¿¬Á¡Åä ¾Ð¹Ð½ÃÇè °á°ú¸¦ ºÐ¼®ÇÏ¿´´Ù. ºÐ¼®°á°ú ºÎ»êÁ¡Åä´Â SCLº¸´Ù ³ôÀº °£±ØÁö¼ö¸¦, ÀÎõÁ¡Åä´Â SCLº¸´Ù ³·Àº °£±ØÁö¼ö¸¦ ³ªÅ¸³Â´Ù. ÅðÀû»óŸ¦ ³ªÅ¸³»´Â ${Delta}e_r$À» ¾ÐÃàÁö¼ö ÃßÁ¤¿ÀÂ÷¿Í ºñ±³ÇÑ °á°ú ¾×¼ºÇÑ°è ¹× ¼Ò¼ºÁö¼ö·Î ÃßÁ¤ÇÑ ¾ÐÃàÁö¼öÀÇ ÃßÁ¤¿ÀÂ÷´Â ${Delta}e_r$ÀÌ Áõ°¡ÇÔ¿¡ µû¶ó °¨¼ÒÇÏ´Â °æÇâÀÌ ³ªÅ¸³µ´Ù. º» ¿¬±¸¿¡¼­´Â ÀÌ·¯ÇÑ °ü°è¸¦ ÀÌ¿ëÇÏ¿© ºÎ»ê ¹× ÀÎõÁ¡ÅäÀÇ ¾ÐÃàÁö¼ö¸¦ º¸´Ù Á¤È®È÷ ÃßÁ¤ÇÒ ¼ö ÀÖ´Â ¹æ¹ýÀ» Á¦¾ÈÇÏ¿´´Ù.
The compression index, which represents the compressibility of clay, is generally obtained from the consolidation test, or has been predicted by empirical correlations with soil properties. In this study, the results of consolidation tests on natural and reconstituted Busan and Inchon clays are analyzed to figure out the sedimentation state and its effect on empirical correlations. Results of analysis show that the void index of Busan clay is higher than SCL while the void index of Inchon clay is lower than SCL. By comparing prediction errors with ${Delta}e_r$, which represents the sedimentation state of clay, it is shown that errors predicting the compressibility based on the liquid limit and plasticity index decrease as ${Delta}e_r$ increases. Supplemented correlations predicting the compression index of Busan and Inchon clays are suggested using these relationships.
 
Ű¿öµå
Compression index;Consolidation test;Natural clay;Reconstituted clay;Settlement;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.27, no.9, 2011³â, pp.37-46
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201107654735957)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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