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Çѱ¹Áö¹Ý°øÇÐȸ / v.18, no.2, 2002³â, pp.75-86
Á¶¸³Åä°¡ È¥ÇÕµÈ Áؼ³ÅäÀÇ ÅðÀû ¹× ¾Ð¹ÐƯ¼º
( Sedimentation and Consolidation Characteristics of Dredged Soils Mixed with Sand Materials )
À̼Û;ÀüÁ¾±¸; ¼­¿ï½Ã¸³´ëÇб³ Åä¸ñ°øÇаú;¼­¿ï½Ã¸³´ëÇб³ Åä¸ñ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â Áؼ³Åä Àüü°ÇÁ¶½Ã·áÁßÀÇ ¸ð·¡ÇÔÀ¯À²À» ¸ð·¡È¥ÇÕºñÀ², S-C¶ó°í Á¤ÀÇÇÏ°í ´Ü°èº° Åõ±â¹æ¹ý¿¡ ÀÇÇÑ ½Ç³»Ä§°­¾Ð¹Ð½ÃÇèÀ» ÅëÇÏ¿© S-Cº° ħ°­ ¹× ¾Ð¹Ð, ÅðÀûÇö»óÀ» Á¦½ÃÇÏ¿´´Ù. ¶ÇÇÑ È¥ÇÕÅä¿¡¼­ ¼­·Î ´Ù¸¥ °Åµ¿À» º¸ÀÌ´Â Á¡ÅäºÐ°ú Á¶¸³ºÐÀ» ºÐ¸®½ÃÄÑ S-C¿¡ µû¸¥ Á¡ÅäºÐ¸¸ÀÇ °£±Øºñ¿Í ħÇÏ·®À» °è»êÇÏ¿´´Ù. Åõ±â¿Ï·á ÈÄ S-Cº° ½Ç³»½ÃÇè°á°ú¸¦ ±âÁ¸ÀÇ °æÇèÀûÀÎ ÇØ¼®¹æ¹ý°ú ½Ö°î¼±¹ýÀ» ÀÀ¿ëÇÑ »õ·Î¿î ¹æ¹ýÀ¸·Î »êÁ¤ÇÑ Åõ±â¿Ï·á ÈÄÀÇ °è¸é°í, üÀûºñ º¯È­¿Í ºñ±³, ºÐ¼®ÇÏ¿´´Ù. ½ÃÇè°á°ú ÀÚÁ߾йпϷá ÈÄ S-C°¡ Áõ°¡ÇÒ¼ö·Ï ¾×¼ºÇѰ谡 È¥ÇÕÅäÀÇ ÄÁ½Ã½ºÅϽÿ¡ ´ëÇÑ ¿µÇâÀ» ¸¹ÀÌ ³¢Ä¡¸ç, ±× ÇѰè´Â ´ë·« 65%·Î ÆÇ´ÜµÈ´Ù. S-C¿¡ µû¶ó Á¡Å伺ºÐ¸¸ÀÇ °£±Øºñ¸¦ °è»êÇÑ °á°ú, Á¡Åä°£±Øºñ´Â S-C°¡ 0%¿Í 50%ÀÇ °æ¿ì Åõ±â¿Ï·á ÈÄ ½Ã°£ÀÌ ¾Æ¹«¸® °æ°úµÇ´õ¶óµµ °¢°¢ 2¿Í4ÀÌÇϰ¡ µÉ ¼ö ¾øÀ½À» º¸¿´´Ù. ħÇÏ¿Í ½Ã°£ÀÇ °ü°è¿¡¼­ ÀçÃʱâÈ­ °î¼±ÀÇ ½ÃÀÛÁ¡Àº ãÅå¯ûðìéÕÍ(1985)°¡ Á¦½ÃÇÑ ÆÀ°­°î¼±ÀÇ º¯°îÁ¡¿¡ ÇØ´çÇÏ¿´°í Á÷¼±°ú »ó°ü°è¼ö°¡ °ÅÀÇ 1ÀÎ ÀçÃʱâÈ­ °î¼±ÀÇ °Åµ¿À» º¸¿´´Ù. ÀçÃʱâÈ­ °î¼±ÀÇ ±â¿ï±â¿Í ÀýÆíÀº 30cmÀÌÈÄ Àüü³ôÀÌ º° Áö¼öÇÔ¼öÀÇ ÇüÅ·ΠÆÄ¾ÇÇÏ´Â°Ô Å¸´çÇÏ´Ù°í ÆÇ´ÜµÇ¸ç, ½Ã·á³ôÀ̺°·Î °è¸é°íº¯È­¸¦ °í·ÁÇϰí Åõ±â¿Ï·á ÈÄ ±â¿ï±â°¡ ½ÃÇè°á°ú¿Í Àß ÀÏÄ¡ÇÏ´Â ½Ö°î¼± ¹ýÀ» ÀÀ¿ëÇÑ ¿¹Ãø¹æ¹ýÀÌ ±âÁ¸ÀÇ °æÇèÀûÀÎ ¹æ¹ýº¸´Ù ¸ð·¡ÀÇ ¿µÇâÀ» °í·ÁÇÑ Áö¿ª¿¡¼­ Áؼ³ ¸Å¸³ ÇÒ °æ¿ì ´õ ÇÕ¸®ÀûÀ̶ó°í ÆÇ´ÜµÈ´Ù.
This paper presents sedimentation and consolidation characteristics of dredged soils mixed with sand materials through the self-weight consolidation tests adopting stepwise filling method. After completely throwing away dredged soils daily by flour kinds of S-C, which is the quantity of sand contained, results fi:om laboratory tests are compared with those from a new method using hyperbolic, which considers stage settling and consolidating characteristics, and those from the existing analyzing method. Liquid limit up to 65% had a large effect on consistency properties. Assuming that the settlement occurred only by clay content of dredged soils, it is shown that the clay void ratio is less than 2 and 4 respectively in case S-C is 0% and 50%. In the applied hyperbolic method, reinitialized curve has a linear behavior of a coefficient of correlation of almost 1, and the coefficient of slope and intercept except fur the specimen with the height of 10cm and 20cm had a tendency to fellow exponent function and a shape of zone settling and dispersing settling. The results computed by the applied hyperbolic method rather than the existing analyzing method coincide with those of laboratory tests. It is shown that the former is more suitable than the latter for the area considering the influence, of sand materials.
 
Ű¿öµå
Hyperbolic method;Reinitialized curve;Sand-content;Self-weight consolidation;Stepwise filling method;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.18, no.2, 2002³â, pp.75-86
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200211921044131)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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