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Çѱ¹Áö¹Ý°øÇÐȸ / v.19, no.5, 2003³â, pp.311-317
ÀÏÁ¤º¯Çü¼Óµµ(CRS) ¾Ð¹Ð½ÃÇè¿¡ ÀÇÇÑ ÆØÃ¢Áö¼ö »êÁ¤ Ư¼º
( The Characteristic of Swelling Index Evaluated by CRS Consolidation Test )
ÇÑ»óÀç;±è¼ö»ï;±èº´ÀÏ;ÀÌÀÀÁØ; ÇѾç´ëÇб³ Åä¸ñȯ°æ°øÇаú;ÇѾç´ëÇб³ Åä¸ñȯ°æ°øÇаú;ÇѾç´ëÇб³ Åä¸ñȯ°æ°øÇаú;(ÁÖ)º¸°­±â¼ú;
 
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ÀÏÁ¤º¯Çü¼Óµµ ¾Ð¹Ð½ÃÇè(CRS)À» ÀÌ¿ëÇÏ¿© Á¡¼ºÅäÀÇ ÆØÃ¢Áö¼ö »êÁ¤ Ư¼ºÀ» Á¶»çÇÏ¿´´Ù. CRS¾Ð¹Ð½ÃÇè¿¡¼­ ÀçÇϴܰèÀÇ º¯Çü·üÀº 0.05%/min¿Í 0.03%/minÀ» Àû¿ëÇÏ¿´À¸¸ç, ÀçÇϴܰ迡¼­´Â ÀçÇϴܰèÀÇ º¯Çü¼ÓµµÀÇ 1/1, l/5, 1/10, 1/15¿¡ ÇØ´çÇÏ´Â º¯Çü¼Óµµ¸¦ Àû¿ëÇÏ¿´´Ù. Ç¥ÁؾйнÃÇè°ú ºñ±³ÇÏ¿© ÆØÃ¢Áö¼ö¸¦ »êÁ¤ÇÑ °á°ú 1/5¡­1/10Á¤µµÀÇ º¯Çü¼Óµµ¸¦ Àû¿ëÇßÀ» ¶§ ¼­·Î À¯»çÇÑ ÆØÃ¢Áö¼ö°¡ »êÁ¤µÇ¾ú´Ù. ¶ÇÇÑ, À¯È¿ÀÀ·Â°ú °úÀ×°£±Ø¼ö¾ÐºñÀÇ °ü°è¿¡¼­ ±³Â÷Á¡ÀÌ Á¸ÀçÇÔÀ» ¾Ë¾ÒÀ¸¸ç ÀÌ ±³Â÷Á¡À» ±âÁØÀ¸·Î º¯Çü¼Óµµ¿¡ ÀÇÁ¸ÀûÀÎ ºÎºÐ°ú ºñÀÇÁ¸ÀûÀÎ ºÎºÐÀÌ Á¸ÀçÇÔÀ» ¾Ë ¼ö ÀÖ¾ú´Ù.
The swelling index of clayey soil was examined by constant rate of strain(CRS) consolidation test. Four kinds of strain rate were applied during unloading. The strain rates are l/l, l/5, 1/10, l/l 5 of loading. The strain rates during loading are 0.05%/min and 0.03%/min. From the test results using standard consolidometer, the swelling indexes were much similar values in case of 1/5 or 1/10 of the strain rate during loading stage. In the relation between effective stress and excess pore water pressure ratio, it was found that the existence of cross point and the stress level can be separated into two zones according to the swelling index.
 
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Clayey soil;Constant rate of strain(CRS);OCR;Standard consolidometer;Swelling index;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.19, no.5, 2003³â, pp.311-317
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311921979333)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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