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Çѱ¹Áö¹Ý°øÇÐȸ / v.10, no.1, 1994³â, pp.71-82
Áؼ³Á¡¼ºÅäÀÇ ¾Ð¹ÐƯ¼º¿¡ ¹ÌÄ¡´Â ½Ã°£È¿°ú
( The Aging Effect of Dredging Clayey Soil on the Consolidation Characteristics )
±èÇüÁÖ; Á¤È¸¿ø, ±º»ê´ëÇб³ °ø°ú´ëÇÐ ÇØ¾ç°øÇаú;
 
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Áؼ³¸Å¸³ÁöÀÇ ÇöÀå°èÃø°á°ú¿¡ ÀÇÇÏ¸é ½ÇÁ¦ÀÇ ÀÚÁ߾йРħÇÏ·®Àº ½Ç³»½ÃÇè°á°ú¸¦ ±Ù°Å·ÎÇÑ ¼³°èÄ¡º¸´Ù ÀÛ°Ô Æò°¡µÇ°í ÀÖ´Ù. ÀÌ·¯ÇÑ ¿øÀÎÁßÀÇ Çϳª¸¦ º» ¿¬±¸¿¡¼­´Â Áؼ³Àç·áÀÇ ÅðÀû½Ã ¾ÐÃ༺ÀÇ Àú°¨¿¡ ÀÇÇÑ °ÍÀÌ¸ç ´õ¿íÀÌ ÀÌ·¯ÇÑ ½Ã°£È¿°ú´Â ÆßÇÁÁؼ³¸Å¸³Áö¿Í °°ÀÌ ÀúÀÀ·Â¹üÀ§ÀÇ ¾Ð¹ÐƯ¼º¿¡¼­´Â °í·ÁµÇ°í ÀÖÁö ¾Ê´Â ½ÇÁ¤ÀÌ´Ù. º» ³í¹®¿¡¼­´Â Áؼ³Á¡¼ºÅäÀÇ ¾ÐÃ༺¿¡ ´ëÇÑ ½Ã°£È¿°ú¸¦ ÆÄ¾ÇÇϱâ À§ÇÏ¿© ÅðÀûµÈ °ø½Ãü¿¡ ħÅõ·ÂÀ» ÀÛ¿ë½ÃÄÑ ÀÏ·ÃÀÇ Ä§Åõ¾Ð¹Ð½ÃÇèÀ» ¼öÇàÇÏ¿´´Ù. ¶ÇÇÑ º» ¿¬±¸¿¡¼­¿Í °°ÀÌ ÃʱâÇÔ¼öºñ°¡ Å« °æ¿ì¿¡ ¹ß»ýÇÏ´Â ¾Ð¹ÐÇØÀÇ ºÒ¾ÈÁ¤¼ºÀ» ±Øº¹Çϱâ À§ÇÏ¿© ¿¹ÃøÀÚ-¼öÁ¤ÀÚ¹ýÀ» ÀÌ¿ëÇÑ À¯ÇÑÂ÷ºÐ¿¡ ¼®±â¹ýÀ» Á¦½ÃÇÏ¿´°í ½ÇÇè°á°ú¿Í ºñ±³ÇÏ¿© ÁÁÀº °á°ú¸¦ ¾ò¾ú´Ù. ÃÖÁ¾ÀûÀ¸·Î Áؼ³Á¡¼ºÅäÀÇ ¾ÐÃ༺Àº ÀÚÁ߾йн𣿡 ÀÇÁ¸µÇ°í ÀÖÀ½ÀÌ °üÂûµÇ¾ú´Ù.
According to the field measurement of dredging-reclaimed land, the actual self-weight consolidation settlement has been frequently reported to be less than the predicted values based on the laboratory tests results. The author estimates that one of the reasons is the reduction of the compressibility due to the sedimentation of the dredging material, Furthemore, the aging effect is ignored in the consolidation characteristics of the very low stress range as a pump dredging-reclaimed land. In this paper, a series of seepage consotidation tests has been carried out by applying the seepage force to the specimen prepared by sedimentation in consolidmeter in order to clarflfy the aging-effect on the compressibility of dredging clayey soil, Also, with a view to overcome unstable consolidation solution occurring in the case where the initial water content is higher as pumpdredging reclaimed land, the finite difference analysis technique using predictorforrector method is suggested that it gets good agreement with ezperimental results. Finally, the compressibility of the dredging clayey soil is depended on self-weight consolidation time.
 
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Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.10, no.1, 1994³â, pp.71-82
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199411920445328)
¾ð¾î : Çѱ¹¾î
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