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Çѱ¹Áö¹Ý°øÇÐȸ / v.15, no.1, 1999³â, pp.161-173
´Ù¾çÇÑ ÀÀ·Â°æ·Î¿¡ µû¸¥ Á¤±Ô¾Ð¹Ð Á¡¼ºÅäÀÇ º¯ÇüƯ¼º °íÂû
( A Consideration on Deformation Characteristics of Normally-Consolidated Clays by Various Stress Paths )
±è⿱;Á¤Ãæ±â; ¼­¿ï´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;¼­¿ï´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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¿¬¾àÁ¡¼ºÅäÁö¹ÝÀÇ ¾Ð¹ÐħÇÏ·® »êÁ¤À» À§ÇØ ÇöÀå¿¡¼­ ³Î¸® »ç¿ëµÇ°í Àִ ǥÁؾйнÃÇèÀ̳ª Skempton°ú BjerrumÀÇ ¾Ð¹ÐħÇÏ·® º¸Á¤¹ýÀº ÇöÀåÀÇ ÀçÇÏÁ¶°ÇÀ̳ª º¯Çü¾ç»óÀÌ 1Â÷¿øÀûÀÌ ¾Æ´Ñ °æ¿ì¿¡´Â ½ÇÁ¦ Èë ¿ä¼ÒÀÇ ÀÀ·Â»óųª º¯Çü°Åµ¿À» Á¤È®ÇÏ°Ô ¸ð»çÇÏÁö ¸øÇÏ´Â ÇѰ踦 °¡Áö°í ÀÖ´Ù. º» ³í¹®¿¡¼­´Â ÀÀ·Â°æ·ÎÀÇ ÀÚµ¿Á¦¾î°¡ °¡´ÉÇÑ ÀÚµ¿È­ »ïÃà½ÃÇè±â¸¦ ÀÌ¿ëÇÏ¿© Á¤±Ô¾Ð¹Ð»óÅ·Π¼ºÇüµÈ kaolinite ½Ã·á¿¡ ´ëÇØ ´Ù¾çÇÑ ÀÀ·Â°æ·Î¸¦ Àû¿ëÇÏ´Â ½ÇÇèÀû ¿¬±¸¸¦ ¼öÇàÇÏ¿´À¸¸ç, ±× °á°ú·ÎºÎÅÍ ÇÕ¸®ÀûÀΠħÇÏ·® Æò°¡ÀÇ ±Ù°Å°¡ µÇ´Â ´Ù¾çÇÑ ÀÀ·Â°æ·ÎÇÏ¿¡¼­ÀÇ Åº¼ºº¯Çü, ¾Ð¹Ðº¯Çü, ÀÌÂ÷¾ÐÃຯÇü, °£±Ø¼ö¾ÐÀÇ ¹ß»ý ¹× ¼Ò»ê °Åµ¿À» ºÐ¼®ÇÏ¿´´Ù. ÀÌ¿Í ÇÔ²² ÀÌ·¯ÇÑ ÀÀ·Â°æ·Î½ÃÇèÀÇ °á°ú¸¦ ±âÁ¸ÀÇ ÀÏÂ÷¿ø ¾Ð¹Ð½ÃÇèÀÇ °á°ú¿Í ºñ±³ÇÔÀ¸·Î½á ±âÁ¸ ħÇÏ·® »êÁ¤¹æ¹ýµéÀÇ ÇѰè¿Í ¹®Á¦Á¡À» ¸íÈ®È÷ °íÂûÇÏ¿´´Ù.
Settlement analysis based on oedometer test results with or without Skempton-Bjerrum's modification method ( widely used for practical purposes when estimating consolidation settlements of soft clay deposits) has shortcomings that it cannot simulate real stress states and deformation behaviors of soils in case that in-situ loading and deformation conditions are not 1-dimensional. In this study, the stress path method, reflecting various probable stress paths, was employed to normally - consolidated kaolinite samples by using automated triaxial testing device which can control stress paths automatically. From this experimental study, elastic, consolidation, secondary compression and pore pressure development - dissipation behaviors under various stress paths were analyzed and deformation characteristics of soft clays, which can be the basis of rational estimation of settlements, were studied. Also by comparing results of stress path tests with those of 1-dimensional consolidation tests, limitations and problems of conventional methods were clarified.
 
Ű¿öµå
deformation;stress path;triaxial test;clays;consolidation;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.15, no.1, 1999³â, pp.161-173
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911921748980)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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