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Çѱ¹Áö¹Ý°øÇÐȸ / v.12, no.6, 1996³â, pp.139-152
ºÒÆ÷È­ÅäÀÇ ÇÔ¼öƯ¼º ÃøÁ¤
( Measurements of Soil Water Characteristics for Different Unsaturated Soils )
±è»ó±Ô;·ùÁöÇù;¼ÛÁø±Ô; µ¿±¹´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;µ¿±¹´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú ¹Ú»ç°úÁ¤, µ¿±¹´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú ¼®»ç;;
 
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ºÒÆ÷È­Åä¿¡ ´ëÇÑ È帧¹®Á¦¸¦ ÇØ¼®Çϱâ À§Çؼ­´Â ºñ¼±ÇüÀ¸·Î Ç¥½ÃµÇ´Â ºÎ°£±Ø¼ö¾Ð°ú ÇÔ¼öºñ »çÀÌÀÇ °ü°è¸¦ ¾Ë¾Æ¾ß ÇÑ´Ù. º» ³í¹®¿¡¼­´Â ÁÖ¹®Áø Ç¥ÁØ»ç, ÇѰ­¸ð·¡ ¹× ¼¼¸³ÇÔÀ¯À²ÀÌ ´Ù¸¥ ¸î°¡Áö È­°­Ç³È­Åä¿¡ ´ëÇÏ¿© 2°¡Áö ½ÇÇè±â±¸·Î ÀÌ °ü°è¸¦ ÃøÁ¤ÇÏ°í ±× Æ¯¼ºÀ» ±Ô¸íÇÏ¿´´Ù. ¿©±â¼­ ¾òÀº ÀڷḦ ÀÌ¿ëÇÏ¿© ÀÌ °ü°è¸¦ ½ÇÇè¾øÀÌ ÃßÁ¤°¡´ÉÇÑ °æÇè½Ä¿¡ ¾²ÀÌ´Â °æÇè»ó¼öµéÀ» ¾ò¾ú´Ù. ¸î°¡Áö °æÇè½ÄÁß van Genuchten(1980)ÀÇ °ÍÀÌ ½ÇÇè°î¼±°ú Àß ºÎÇյȴÙ. È­°­Ç³È­Åä¿¡ ´ëÇØ¼­´Â ¼¼¸³ÇÔÀ¯À²(No.200ü Åë°úÀ²)ÀÇ Áõ°¡¿¡ µû¶ó °æÇè»ó¼öµéµµ °ÅÀÇ ÀÏÁ¤ÇÏ°Ô Áõ°¡ÇÏ´Â °æÇâÀ» º¸Àδٴ °ÍÀ» ¾Ë°Ô µÇ¾ú´Ù. µû¶ó¼­ ÀÌ °ü°è¸¦ ÀÌ¿ëÇÏ¿© È­°­Ç³È­Åä¿¡ ´ëÇÑ ÇÔ¼öƯ¼º°î¼±ÀÇ ÃßÁ¤ÀÌ °¡´ÉÇÏ´Ù.
In order to treat flow problems for unsaturated soils, it is necessary to obtain the soil-water characteristic curves which show nonlinear relationship between metric suction and volumetric water content. With two different pleasuring devices, measurements of the matric suction were taken for Jumoonjin sand, Hangang sand, and weathered granite soils with different fined. Experimental parameters which can describe experimental formulas for the soil-water characteristics were determined by using the data obtained from the experiment. Among experimental formulas of previous researchers, that of van Genuchten(1980) agreed well with the results of experiments. For weathered granite soils, the parameters increased with the increase of fine contents, Therefore, the soil-water characteristic for a weathered soil can be estimated by using Parameters corresponding to its fine contents.
 
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Matric suction;Weathered granite soil;Air-entry value;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.12, no.6, 1996³â, pp.139-152
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199611920447042)
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