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Çѱ¹Áö¹Ý°øÇÐȸ / v.27, no.3, 2011³â, pp.95-102
°£±Ø°ø±â¾ÐÀ» °í·ÁÇÏ´Â ºÒÆ÷È­ÅäÀÇ À¯ÇÑ¿ä¼ÒÇØ¼®
( Finite Element Analysis of Partially Saturated Soil Considering Pore-air Pressure )
±èÀçÈ«;Ȳ¿µÃ¶; Äݷζ󵵴ëÇб³ Åä¸ñ°øÇаú;»óÁö´ëÇб³ À̰ø´ëÇÐ °Ç¼³½Ã½ºÅÛ°øÇаú;
 
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ºÒÆ÷È­ Áö¹ÝÀ» ÀÌ·ç°í ÀÖ´Â ÈëÀÇ ¾Ë°»ÀÌ, ¹°°ú °ø±âÀÇ ¿¬°èÇØ¼®ÀÌ Àüü Áö¹ÝÀÇ º¯Çü¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ¾Ë¾Æº¸°íÀÚ, Èë ¾Ë°»ÀÌ¿Í ¹°ÀÇ µÎ °¡Áö ¿ä¼Ò·Î ÇØ¼®µÇ¾îÁö´Â ±âÁ¸ °üÁ¡°úÀÇ Â÷À̸¦ ºÐ¼®ÇÏ°í ±×¿¡ ´ëÇÑ ¿øÀÎÀ» ºñ±³ÇÏ¿´´Ù. ¿­¿ªÇÐÀû °¡Á¤À» Åä´ë·Î ÆòÇü¹æÁ¤½ÄÀ» ÀÌ¿ëÇÏ¿© ºÒÆ÷È­Åä °Åµ¿À» Áö¹èÇÏ´Â ¹°°ú °ø±âÀÇ È帧 °ü°è¸¦ À¯ÇÑ¿ä¼ÓÇØ¼®À» À§ÇÑ ¼öÇÐÀûÀÎ ¾Ë°í¸®ÁòÀ» À¯µµÇÏ¿© ¹è¼ö½ÃÇè ¼öÄ¡ÇØ¼®À» ÅëÇØ ±âÁ¸ ¹®Çå°ú ºñ±³ °ËÁõÇÏ¿´´Ù. 3»óÀ¸·Î ÀÌ·ç¾îÁø ºÒÆ÷È­Åä °Åµ¿À» ÅëÇØ¼­ ÈëÀÇ ¾Ë°»ÀÌ¿Í ¹°°úÀÇ »óÈ£ÀÛ¿ë¿¡¼­ °ø±â¾ÐÀÇ ¿ªÇÒÀ» ºÐ¼®ÇÏ¿© ºÒÆ÷È­ Áö¹Ý ³»¿¡ ¹°°ú °ø±âÀÇ µÎ°¡Áö È帧¿¡ ´ëÇØ Áö¹Ý°øÇÐÀûÀÎ Àû¿ë¼ºÀ» ¾Ë¾Æº¸¾Ò´Ù.
A model of solid-water-air coupling in triphasic mixture is compared to that of solid-water coupling in biphasic mixture with an application to partially saturated soils. Based on thermodynamics, the mathematical framework governing the behavior of a partially saturated soil is derived by using balance equations, and numerical implementation through drainage experiment of a sand column is carried out to validate the obtained formulations. The role of the air phase in the hydro-mechanical behavior of triphasic mixture can be analyzed from the interaction among phases and from the solid skeleton's constitutive behavior, and the three-phase model found applications in geotechnical engineering problems, such as $CO_2$ sequestration and air storage in an aquifer.
 
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Drainage experiment;Finite element method;Partially saturated soil;Pore-air pressure;Triphasic mixture;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.27, no.3, 2011³â, pp.95-102
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201117148819502)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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