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Çѱ¹Áö¹Ý°øÇÐȸ / v.19, no.4, 2003³â, pp.155-165
Áؼ³ÅäÀÇ Ã¼Àûº¯È­ ¹× 2Â÷¿ø ÅðÀûƯ¼º¿¡ °üÇÑ ¿¬±¸
( A Study on the Sediment Volume Change and Two-dimensional Deposited Characteristics of Pumping-dredged Soil )
±èÇüÁÖ;À̹μ±;ÀÌ¿ëÁÖ;±è´ë¿ì; ±º»ê´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇкÎ;±º»ê´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;±º»ê´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;±º»ê´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;
 
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º» ¿¬±¸´Â °íÇÔ¼öºñÀÇ ¾×»óÁؼ³ÅäÀÇ Ã¼Àûº¯È­ ¹× ÅðÀûƯ¼ºÀ» ÆÄ¾ÇÇϱâ À§ÇØ ÀÏ·ÃÀÇ ½Ç¸°´õħ°­½ÃÇè, ħÅõ¾Ð¹Ð½ÃÇè°ú 2Â÷¿øÅðÀû¸ðÇü½ÇÇèÀÌ ½Ç½ÃµÇ¾ú´Ù. ±×¸®°í ½ÇÇè°á°ú´Â ½ÇÁ¦ Áؼ³¸Å¸³ÇöÀåÀÇ ÅðÀû»óÅÂ¿Í ºñ±³µÊÀ¸·Î½á ¼³°è½Ã¿¡ ÇÊ¿äÇÑ Ä§°­¿¡ ÀÇÇÑ Ã¼Àûº¯È­·®À» ±¸ÇÒ ¼ö ÀÖµµ·Ï ÇÏ¿´À¸¸ç, ÅðÀûÈÄÀÇ ¼¼¸³ÅäÀÇ ºÐÆ÷¿Í ÇÔ¼öºñ º¯È­ µîÀÌ ÇÔ¿¡ Á¶»çµÇ¾ú´Ù. µû¶ó¼­ 1Â÷¿ø ħ°­½Ã´Â ½ÇÁúÅä·®ÀÌ Áõ°¡ ÇÒ ¼ö·Ï ÅðÀû°í´Â ¼±ÇüÀûÀ¸·Î Áõ°¡Çϸç, ÀÚÁ߾йа³½Ã½Ã ¹× ¿Ï·á½ÃÀÇ °è¸é°íµµ ¶ÇÇÑ ½ÇÁúÅä·®¿¡ ºñ·ÊÇÏ¿© Áõ°¡µÇ°í ÀÖ´Ù. ÇÑÆí 2Â÷¿ø ÅðÀû¸ðÇü½ÇÇè¿¡ ÀÇÇØ ÇÔ¼öºñÀÇ ºÐÆ÷¿Í ¼¼¸³ÅäÀÇ ÅðÀû»óŸ¦ Á¦½ÃÇÏ¿´À¸¸ç, ÅðÀûÃþÀÇ ÇÔ¼öºñ´Â #200üÀÇ Åë°ú·®¿¡ µû¶ó ´Ù¸£¸ç ÃÖ¼Ò 30%¿¡¼­ ÃÖ´ë 180%±îÁö Æø³Ð°Ô ºÐÆ÷µÇ°í ÀÖ´Ù.
A series of one-dimensional cylinder sedimentation test, seepage consolidation test and two-dimensional deposition model test were conducted to examine the characteristics of deposition and volume change of dredged soils containing the high water content, and these experimental results were compared with the sedimentary conditions of actual dredged-reclaimed fields to obtain the relations of a volume change by settling what is required for design. In addition, the change of water content and the distribution of fine grained soils after sedimentation were investigated. Thus, it was concluded that deposition height increased lineary as substantial soil volume increased, and also the elevation of interface increasea proportionately at both the starting time and the finishing time of virtual self-weight consolidation in one-dimensional sedimentation. Furthermore, the two-dimensional model test results were shown to describe the plain distribution of water content and fine grained silt where dredged soil was deposited by two dimensional flowing, and the water content was distributed to wide range from the minimum water content 30% to maximum 180% according to the passed amount of ¢à200 sieve percentage.
 
Ű¿öµå
Cylinder sedimentation test;Dredged soils;Fine grained soils;Settling characteristics;Substantial soil volume;Two-dimensional deposition model test;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.19, no.4, 2003³â, pp.155-165
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311921886534)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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