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Çѱ¹¼öÀÚ¿øÇÐȸ / v.27, no.3, 1994³â, pp.107-113
´Ù°ø¼º ¸ÅÁúÀÇ ¼ö¸®Æ¯¼º ÃßÁ¤
( Estimation of Hydraulic Properties in Porous Media )
¹ÚÀçÇö;¹Úâ±Ù;¼±¿ìÁßÈ£; ¼­¿ï´ëÇб³ Åä¸ñ°øÇаú;¼­¿ï´ëÇб³ Åä¸ñ°øÇаú, ¼­¿ï´ëÇб³ Åä¸ñ°øÇаú;;
 
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Richards½ÄÀ» ÇØ¼®ÇÏ·Á¸é Åä¾çÀÇ ¼ö¸®Æ¯¼ºÀÎ ¹°º¸À¯ÇÔ¼ö¿Í ºñÆ÷È­Åõ¼ö°è¼ö¿¡ ´ëÇÑ ÀÚ·á°¡ ÇÊ¿äÇÏ´Ù. SCS¿¡¼­ ±¸ºÐÇÑ Åä¾ç±ºÁß A, B, C¿¡ ÇØ´çÇÑ´Ù°í ÆÇ´ÜµÇ´Â Åä¾ç½Ã·á¸¦ äÃëÇÏ¿© °¢ Åä¾ç±ºº°·Î º» ¿¬±¸¿¡¼­ °³¹ßÇÑ ÀåÄ¡¸¦ ÀÌ¿ëÇÏ¿© ¹°º¸À¯ÇÔ¼ö¸¦ ÃøÁ¤ÇÏ¿´°í, ¶ÇÇÑ Á¤¼öµÎ¹ýÀ¸·Î Æ÷È­Åõ¼ö°è¼ö¸¦ ÃøÁ¤ÇÏ¿´´Ù. °¢ Åä¾ç±ºÀ» ´ëÇ¥ÇÒ ¼ö ÀÖ´Â ÇϳªÀÇ ¹°º¸À¯ÇÔ¼ö¿Í ºñÆ÷È­Åõ¼ö°è¼ö¸¦ »êÁ¤Çϱâ À§ÇÏ¿© van GenuchtenÀÇ ¹°º¸À¯ÇÔ¼ö¿Í MualemÀÇ Åõ¼ö°è¼ö¿¹Ãø¸ðÇüÀ» ÀÌ¿ëÇÏ¿´´Ù. °¢ Åä¾ç±ºº°·Î ½ÇÃøµÈ ÀڷḦ ÀÌ¿ëÇÏ¿© van Genuchten½ÄÀÇ ¸Å°³º¯¼ö¸¦ ÃßÁ¤ÇÑ °ªÀ» Á¦½ÃÇÏ¿´°í, ±×¿Í °°Àº ÀÚ·á´Â ¹Ì½ÇÃøÁö¿ª¿¡¼­ ºñÆ÷È­È帧À» ÇØ¼®ÇϰíÀÚÇÒ ¶§ ÇϳªÀÇ ±âÁØÀ¸·Î »ç¿ëµÉ ¼ö ÀÖ´Ù.
The analysis of Richards eq. requires data of the soil water retention function and the unsaturated hydraulic conductivity. The soil water retention function was measured through the use of the developed apparatus and the saturated hydraulic conductivity was measured by the constant head method for each soil sample corresponding to the A, B, C types of SCS. In order to obtain one water retention function and one unsaturated hydraulic conductivity which represent each soil group, van Genuchten's eq. and Mualem's pore-structure model was chosen respectively. Parameters of van Genuchten's eq. are estimated for each soil group using data obtained in the experiments, and estimated values give a basis to analyze the unsaturated flow in the non-measured region efficiently.
 
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.27, no.3, 1994³â, pp.107-113
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199411920095070)
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