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Çѱ¹Áö¹Ý°øÇÐȸ / v.13, no.3, 1997³â, pp.5-20

( A Study of Three Dimensional Numerical Analysis on Vacuum Consolidation )
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º» ¿¬±¸¿¡¼­´Â À¯ÇѺ¯Çü·ü À̷п¡ ±Ù°ÅÇÏ¿© 3Â÷¿ø ¾Ð¹Ð Áö¹è ¹æÁ¤½ÄÀ» À¯µµÇÏ¿´´Ù. ÀÌ ¹æÁ¤½ÄÀº ºñ±³Àû ¾Ð¹ÐÃþÀÇ µÎ²²°¡ µÎ²¨¿î °æ¿ì, ºñ¼±Çü ¹°¼ºÄ¡, °ø±Øºñ¿¡ µû¸¥ ºñ¼±Çü Åõ¼ö°è¼ö¸¦ °®´Â Áö¹Ý¿¡ ÀûÇÕÇÏ´Ù. ±âÁ¸ÀÇ À¯ÇÑÂ÷ºÐ ¼öÄ¡ÇØ¼® ±â¹ý(FTCS)Àº Áö¹è ¹æÁ¤½ÄÀÌ ºñ¼±Çü ÀÌ¸ç º¹ÀâÇÑ °æ¿ì ¾ÈÁ¤µÈ ÇØ¸¦ ¾òÀ» ¼ö ¾ø±â ¶§¹®¿¡ º» ¿¬±¸¿¡¼­´Â Ư¼ö À¯ÇÑ Â÷ºÐ ±â¹ýÀ» µµÀÔÇÏ¿´´Ù. ÀÌ ¼öÄ¡ÇØ¼® ±â¹ýÀ» Áö¹è ¹æÁ¤½Ä¿¡ Àû¿ëÇÏ¸é ½Ã°£¿¡ µû¸¥ ¾Ð¹Ð·®À» ¿¹ÃøÇÒ ¼ö ÀÖ´Ù. º» ÇØ¼®±â¹ý¿¡ ÀÇÇØ ±¸ÇØÁø °ªµéÀ» À¨µå·¹ÀÎÀ» ¼³Ä¡ÇÑ ¿©·¯ °¡Áö °í¾ÐÃ༺ ÅäÁú¿¡¼­ÀÇ ½ÇÇè °á°ú¿Í ºñ±³ÇÑ °á°ú, ÃÖÁ¾ ¾Ð¹Ð·®°ú ½Ã°£¿¡ µû¸¥ ¾Ð¸»·®ÀÌ Àß ÀÏÄ¡Çϰí ÀÖ´Ù.
A governing equation of uncoupled three dimensional finite strain theory of consolidation is presented. This equation is suitable for relatively thick layers, possessing large strain, non-linear material property, and variable permeability. A special numerical solution procedure has to be adopted for the finite difference scheme because the solution is not stable in using Forward-Time Centered-Space (FTCS) method and the governing equation is highly non-linear. The solution is capable of predicting settlement with respect to time. The results predicted by the developed method of analysis have been compared with those of experimental tests on different types of highly compressible soils with vertical wick drain. The uncoupled three dimensional finite strain theory of consolidation appears to predict settlement behavior well. A detailed comparison shows good agreement in terms of total settlement, and reasonable agreement with respect to time.
 
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Vacuum consolidation;Finite strain theory;Void ratio;Wick drain;Compressible soil;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.13, no.3, 1997³â, pp.5-20
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199711920447359)
¾ð¾î : Çѱ¹¾î
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