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Çѱ¹Áö¹Ý°øÇÐȸ / v.26, no.8, 2010³â, pp.49-58
ź-Á¡¼º À̷п¡ ÀÇÇÑ Á¡¼ºÅä Áö¹ÝÀÇ 1Â÷¿ø ¾Ð¹ÐƯ¼º
( Characteristics of 1D-Consolidation for Soft Clay Ground Based on a Elasto-Viscous Model )
¹é¿øÁø;ÇϼºÈ£;À̰­ÀÏ;±èÁø¿µ;±èÁÖÇö; Àü³²´ëÇб³ Áö¿ª.¹ÙÀÌ¿À½Ã½ºÅÛ°øÇаú;(ÁÖ) ¼­Á¤¿£Áö´Ï¾î¸µ;´ëÁø´ëÇб³ °Ç¼³½Ã½ºÅÛ°øÇаú;Àü³²´ëÇб³ Áö¿ª.¹ÙÀÌ¿À½Ã½ºÅÛ°øÇаú;ÀϺ» ¾ß¸¶±¸Ä¡´ëÇб³ »çȸ°Ç¼³°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â Á¡¼ºÅäÁö¹Ý¿¡¼­ÀÇ ÀÌÂ÷¾Ð¹ÐƯ¼ºÀ» ±Ô¸íÇϱâ À§ÇØ Á¤±Ô¾Ð¹Ð ¿µ¿ª¿¡ ´ëÇØ Ç¥ÁؾйнÃÇèÀ» ¼öÇàÇϰí, Yoshikuni°¡ Á¦¾ÈÇÑ Åº-Á¡¼º ¾Ð¹ÐÀÌ·ÐÀÇ À¯ÇÑÂ÷ºÐÇØ¼®°á°ú¸¦ ÀÌ¿ëÇÏ¿© Á¡¼ºÅäÁö¹ÝÀÇ ¾Ð¹ÐƯ¼ºÀ» Á¶»çÇÏ¿´´Ù. ¾Ð¹Ð½ÃÇèÀº Ãʱâ¾Ð¹ÐÇÏÁß 0.8, 1.6, 3.2, 6.4kgf/$cm^2$ÀÇ 4ÄÉÀ̽º¿¡ ´ëÇØ ¾Ð¹ÐÇÏÁß ÁõºÐºñ(${Delta}p/p_0$)¸¦ 1.0À¸·Î ÇÏ¿© ¼öÇàÇÏ¿´´Ù. ¶ÇÇÑ ¾Ð¹ÐÇÏÁßÁõºÐºñÀÇ ¿µÇâÀ» ¸íÈ®È÷ Çϱâ À§ÇØ ¾Ð¹ÐÇÏÁß ÁõºÐºñ¸¦ º¯È­½ÃŲ Àå±â¾Ð¹Ð½ÃÇèÀ» ¼öÇàÇÏ¿´´Ù. ¾ò¾îÁø ½Ç³»½ÇÇè°á°ú¿¡ ´ëÇØ ź-Á¡¼º ¾Ð¹ÐÀÌ·ÐÀ» ÀÌ¿ëÇÑ ¼öÄ¡ÇØ¼®À» ½Ç½ÃÇÑ °á°ú, ¼öÄ¡ÇØ¼®°á°ú°¡ 1Â÷¾Ð¹Ð°úÁ¤¿¡¼­ ¾à°£Áö¿¬(¶Ç´Â Á¶±âÁøÇà)µÇ´Â °á°ú°¡ ¾ò¾îÁ³Áö¸¸, ÀÌÂ÷¾Ð¹Ð°úÁ¤¿¡ ´ëÇØ¼­´Â Àß ÀÏÄ¡ÇÑ °ÍÀ¸·ÎºÎÅÍ ±× Àû¿ë¼ºÀ» °ËÁõÇÏ¿´´Ù. ¶ÇÇÑ ÀϹÝÀûÀÎ Á¡¼ºÅäÁö¹ÝÀÇ ¸ðµ¨Áö¹ÝÀ» ÀÛ¼ºÇÏ°í ¾Ð¹ÐÆ¯¼º¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â ¾Ð¹ÐÁ¤¼ö¿¡ ´ëÇØ ¼öÄ¡¸ðµ¨¸µÀ» ¼öÇàÇÏ°í ±× ¿µÇâ¿¡ ´ëÇØ¼­ ºÐ¼®ÇÏ¿´´Ù.
In this study, in order to investigate the characteristics of secondary consolidation in the soft clay ground, oedometer tests were carried out in a normally consolidated condition, and the consolidation characteristics of the soft clay ground were examined by the Finite Difference Method (FDM) based on the Elasto-Viscous model proposed by Yoshikuni. The consolidation tests adjusted the consolidation load increment ratio(${Delta}p/p_0$) to 1.0 for the four cases with initial consolidation pressures of 0.8, 1.6, 3.2, and 6.4 kgf/$cm^2$. The long-term consolidation tests were examined by the tests that changed the load increment ratio to clarify the effect of consolidation load increment. Although the numerical analysis was delayed in the primary consolidation process, from the result of the numerical analysis of the laboratory tests, the applicability of the Elasto-Viscous model was verified from the agreement of the secondary consolidation process. Based on the developing of model ground consist of general soft clay, influences of consoliation parameters on the consolidation characteristics were studied by the numerical analysis.
 
Ű¿öµå
Consolidation property;Elasto-Viscous model;Model ground;Numerical analysis;Secondary consolidation;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.26, no.8, 2010³â, pp.49-58
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201033538932682)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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