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Çѱ¹Áö¹Ý°øÇÐȸ / v.15, no.2, 1999³â, pp.129-138
¿¬¾àÇÑ Áؼ³ ¸Å¸³ Á¡¼ºÅäÁö¹ÝÀÇ ÀÚÁ߾йР°úÁ¤¿¡ °üÇÑ ¿¬±¸
( A Study on the Self-Weight Consolidation Procedure of Very Soft Ground Reclaimed by Dredging Clayey Soil )
±èÇüÁÖ;¿À±Ù¿±; ±º»ê´ëÇб³ Åä¸ñ°øÇкÎ;±º»ê´ëÇб³ ´ëÇпø;
 
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º» ¿¬±¸´Â Áؼ³¸Å¸³ Á¡¼ºÅä Áö¹ÝÀÇ ÅäÁúÁ¤¼ö¸¦ È¿°úÀûÀ¸·Î ±¸ÇÒ ¼ö ÀÖ´Â ÀÚÁß ¹× ħÅõ¾Ð¹Ð½Ã÷ ±â¹ý°ú ÇöÀå ¸ðÇü ½ÇÇèÀåÄ¡ÀÇ °³¹ßÀ» Áß½ÉÀ¸·Î ¼öÇàµÇ¾ú´Ù. ÀÌ·¯ÇÑ ¸ðÇü ½ÇÇèÀåÄ¡¿Í ½ÃÇè±â¹ý°³¹ßÀº ¿¬¾àÇÑ ¸Å¸³ Áö¹ÝÀÇ Ä§°­-ÀÚÁß-ÀçÇϾйР°úÁ¤¿¡ ´ëÇÑ ÀçÇöÀ» °¡´ÉÄÉÇÏ¿´´Ù. ÀÌ·¯ÇÑ ½ÇÇèÀû ¿¬±¸´Â Áؼ³ Á¡¼ºÅä Áö¹ÝÀÇ ÀÚÁß¾Ð¹ÐÆ¯¼ºÀ» Áß½ÉÀ¸·Î ÀÌ·ç¾îÁ³À¸¸ç, ÀÌ·ÐÀûÀÎ ¿¬±¸·Î ¸Å¸³Á¡Åä Áö¹ÝÀÇ ¾Ð¹ÐÇØ¼®½Ã TerzaghiÀÇ 1Â÷¿ø ¾Ð¹ÐÀÌ·ÐÀÇ Àû¿ëÇÑ°è µîÀ» ÁöÀûÇÏ¿´°í, ÀÌ·¯ÇÑ ¹®Á¦Á¡À» °í·ÁÇÑ MikasaÀÇ ÀÚÁß ¾Ð¹ÐÀÌ·ÐÀ» Åä´ë·Î À¯ÇÑÂ÷ºÐÇØ¼®À» ½Ç½ÃÇÏ¿´´Ù. ½Ç³»½ÃÇè¿¡ ÀÇÇØ ±º»ê ¸Å¸³Á¡ÅäÀÇ ÅäÁúÁ¤¼ö·Î ºñüÀû-À¯È¿ÀÀ·Â-Åõ¼ö°è¼ö °ü°è¸¦ ±¸ÇÏ¿´À¸¸ç ÇöÀå ¸ðÇü½ÇÇèÀ» ÅëÇÏ¿© ÅõÀԴܰèºÎÅÍ °£±Ø¼ö¾Ð-Åä¾Ð-¼öÀ§°ü°è ¹× ħÇÏ·® µîÀ» ÃøÁ¤ÇÏ¿´´Ù. ½ÃÇè¿¡ ÀÇÇØ ¾ò¾îÁø °á°ú´Â TerzaghiÀÇ ¹æ¹ý°ú Mikasa ÀÚÁ߾йÐÀÇ Â÷ºÐÇØ¼®¿¡ ÀÇÇØ ºñ±³.ºÐ¼®µÇ¾úÀ¸¸ç, ½ÇÃø ħÇÏ·®Àº TerzaghiÀÇ À̷к¸´Ù MikasaÀÇ ÀÚÁ߾йÐÀÌ·ÐÀÌ ºñ±³Àû Àß ÀÏÄ¡ÇÏ¿´´Ù.
This study is performed for the development of a field monitoring and test technique both of self-weight and hydraulic consolidation by which the soil parameters of dredge-reclaimed clay can be obtained effectively. The field monitoring development and tests mentioned above make it possible to reproduce the process of the self-weight consolidation from settling to reclaimed soft ground. The experimental research is mainly focussed on the characteristics of self-weight consolidation of dredged clayey soil. And theoretical study has pointed out the limits in the application of Terzaghi's one dimensional consolidation theory in interpreting reclaimed clayey ground. Furthermore, a finite difference analysis has been made on the basis of Mikasa s self-weight consolidation theory which takes the problems of Terzaghi's theory into consideration. The relationships between specific volume, effective stress, and the coefficient of permeability of Kunsan reclaimed clayey soil have been obtained by laboratory tests. On the other hand, through the field monitoring, pore pressure, total pressure, and water levels have been measured after pouring. The results of these experiments have been analyzed, and compared with those from Terzaghi's method and the finite difference analysis of Mikasa's self-weight consolidation theory. In conclusion, the measured settlements is comparatively consistent with Mikasa's self-weight consolidation theory rather than Terzaghi's consolidation theory.
 
Ű¿öµå
Field monitoring;Self-weight consolidation;Hydraulic consolidation;Reclaimed ground;Effective stress;Settlement;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.15, no.2, 1999³â, pp.129-138
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911921749098)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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