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Çѱ¹Áö¹Ý°øÇÐȸ / v.22, no.10, 2006³â, pp.69-76
½Å·Ú¼º±â¹ý¿¡ ÀÇÇÑ ±¼ÂøÁö¹Ý¿¡¼­ÀÇ 3Â÷¿ø ÁöÇϼö Èå¸§ÇØ¼®
( 3-D Groundwater Flow Analysis of Excavated Ground by Reliability Method )
±èÈ«¼®;¹ÚÁظð;À忬¼ö; µ¿ºÎ¿£Áö´Ï¾î¸µ;°ÇÀÏ¿£Áö´Ï¾î¸µ;µ¿±¹´ëÇб³ Åä¸ñȯ°æ°øÇаú;
 
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ÁöÇϼöÈ帧¿¡ ´ëÇÑ ½Å·Ú¼º ÇØ¼®À» ½Ç½ÃÇÏ¿´À¸¸ç, È帧¿¡ °ü¿©ÇÏ´Â ¸Å°³º¯¼öµéÀÌ ¸ñÇ¥ °ªÀÇ ÆÄ±«È®·üÀ» ÃʰúÇϴµ¥ ¹ÌÄ¡´Â ¿µÇâÀ» ¾Ë¾Æº¸¾Ò´Ù. º» ¿¬±¸¸¦ À§ÇÏ¿© 2Â÷¿ø ÁöÇϼöÈ帧 ÇÁ·Î±×·¥À» 3-D ÇÁ·Î±×·¥ DGU-FLOW·Î È®ÀåÇÏ¿© Á¦ÀÛÇϰí, À̸¦ 1°è ¹× 2°è ½Å·Ú¼º ÇÁ·Î±×·¥¿¡ ¿¬°èÇÏ¿´´Ù. 3Â÷¿ø È帧 ÇÁ·Î±×·¥ÀÇ °ËÁõÀº ÁöÇϱ¼ÂøÁö¹ÝÀÇ ÁöÇϼö È帧 ÇØ¼® ¹®Á¦¸¦ Ç®°í À̸¦ MODFLOW ÇÁ·Î±×·¥°ú ºñ±³ÇÏ¿© ¼öÇàÇÏ¿´´Ù. ½Å·Ú¼ººÎºÐ ¶ÇÇÑ ¸óÅ×Ä®·Î ÇØ¼®À» ¼öÇàÇÏ¿© ³ªÅ¸³­ ÆÄ±«È®·üÀ» ºñ±³ÇÔÀ¸·Î½á °ËÁõÇÏ¿´À¸¸ç ÁöÇϼö È帧¿¡ ´ëÇÑ 1°è ¹× 2°è ½Å·Ú¼ºÇؼ®À» ¼öÇàÇÏ¿© »êÁ¤µÈ ÆÄ±«È®·ü °ªÀº ¸óÅ×Ä®·Î ÇØ¼®À» ÅëÇÏ¿© ³ª¿Â °ª°ú ¸Å¿ì ±ÙÁ¢ÇÏ¿´´Ù. ÅäÁúÃþÀÇ Åõ¼ö°è¼ö¿¡ ´ëÇÑ ¸Å°³º¯¼ö ÇØ¼®°á°ú Åõ¼ö°è¼öÀÇ Æò±Õ°ú ºÐ»êÀÇ Áõ°¡´Â ¸ñÇ¥ ¼ö·®À» ÃʰúÇÏ´Â ÆÄ±«È®·üÀÇ Áõ°¡¸¦ °¡Á®¿À´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¶ÇÇÑ ÆÄ±«È®·üÀÇ ¹Î°¨µµ´Â ¿©·¯È帧 º¯¼öÁß¿¡¼­ È帧¿µ¿ª °æ°èºÎÀÇ ÀÏÁ¤ ¼öµÎ¿¡ °¡Àå ¹Î°¨ÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
A reliability-groundwater flow analysis is performed and the influence of flow parameters on the probability of exceeding the threshold value is examined. For this study, the 3-D numerical groundwater flow program, DGU-FLOW, is developed by extending the 2-D flow program and is coupled to the first and second order reliability program. The 3-D flow program is verified by solving the examples of groundwater flow through the underground excavation and comparing the results from commercial MODFLOW program. Reliability routine of the program is also verified by comparing the probability of failure with that of Monte-Carlo Simulation. The reliability analysis of the groundwater flow showed that the probability of failure from the first and second order reliability method are quite close to that of Monte-Carlo Simulation. from the parametric study of hydraulic conductivity of soil layers, the increase of both mean and variance of hydraulic conductivity results in the increase of probability of exceeding the threshold flow quantity. The probability of failure was more sensitive to constant head located at the end of the flow domain than the other parameters.
 
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Groundwater flow;Hydraulic conductivity;Probability of failure;Reliability analysis;Underground excavation;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.22, no.10, 2006³â, pp.69-76
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200604623521060)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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