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Çѱ¹Áö¹Ý°øÇÐȸ / v.15, no.4, 1999³â, pp.85-97
³«µ¿°­ »ï°¢ÁÖ Á¡Åä¿¡ ´ëÇÑ °ú¾Ð¹ÐºñÀÇ Æò°¡
( Determination of OCR on the Deltaic Clay of the Nakdong River )
Á¤¼º±³;±è±ÔÁ¾;ÀÌ´ë¸í;Á¶±â¿µ; µ¿¾Æ´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;µ¿¾Æ´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;¾ç»ê´ëÇÐ Åä¸ñ°ú;µ¿¾Æ´ëÇб³ °Ç¼³±â¼ú¿¬±¸¼Ò;
 
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³«µ¿°­ Çϱ¸ÀÇ »ï°¢ÁÖ Á¡Åä¿¡ ´ëÇÏ¿© ÇöÀå°èÃø, ½Ç³» ¹× ÇöÀåÅäÁú½ÃÇè°á°ú¸¦ ÀÌ¿ëÇÑ »êÁ¤¹ýµé¿¡ ÀÇÇÏ¿© OCRÀÌ ºÐ¼®µÇ¾ú´Ù. ±× °á°ú, Ç¥ÁؾйнÃÇè°á°ú¿¡ ÀÇÇÑ OCRÀÌ 0.4~0.7Àε¥ ¹ÝÇÏ¿©, ÇöÀå°èÃø°ªÀÇ ºÐ¼®À¸·Î ¾ò¾îÁø OCRÀº 0.95~l.20À¸·Î ¾ò¾îÁ³´Ù. ¼Ò»ê½ÃÇè¿¡ ÀÇÇÏ¿© °úÀ×°£±Ø¼ö¾ÐÀÇ Á¸À縦 °ÅÀÇ È®ÀÎÇÒ ¼ö ¾ø¾úÀ¸¹Ç·Î ¹Ì¾Ð¹ÐÁ¡ÅäÀÇ Á¸Àç´Â ã±â ¾î·Á¿ü´Ù. ±×¸®°í ÇÇ¿¡Á¶ÄܽÃÇèÀ» ÀÌ¿ëÇÑ Mayne(1991) ¹× Cao µî(1996)ÀÇ »êÁ¤¹ý°ú ÄܰüÀÔ½ÃÇèÀ» ÀÌ¿ëÇÑ Mayne £¦ Kemper(1988)ÀÇ »êÁ¤¹ý¿¡ ÀÇÇÑ °á°ú°¡ ÇöÀå°èÃø°ªÀÇ ºÐ¼®¹ý¿¡ ÀÇÇÑ °á°ú¿Í Àß ÀÏÄ¡ÇÏ¿´´Ù.
For a deltaic clay in the mouth of the Nakdong river, OCR was investigated through methods using the results of field measurement, laboratory and field soil tests. As a result, OCRs were obtained around the range of 0.95 to 1.20 by analysis of field measurements, although they were estimated around the values of 0.4 to 0.7 by the results of conventional consolidation tests for the clay. From the dissipation test it was found out that the excess pore pressures scarcely existed in the clay deposit and then the soil was not in the underconsolidated condition. And the OCRs obtained through methods of Mayne(1991) and Cao et al(1996) using the piezocone test and of Mayne & Kemper(1988) using the cone penetration test were in good agreement with those of field measurement.
 
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OCR Deltaic clay;Vertical drains;Laboratory test;Field measurement;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.15, no.4, 1999³â, pp.85-97
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911921749339)
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