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Çѱ¹Áö¹Ý°øÇÐȸ / v.16, no.4, 2000³â, pp.107-116
Æó»öÀ¸·Î ÀÎÇÑ Èë/ºÎÁ÷Æ÷ ½Ã½ºÅÛÀÇ Åõ¼ö´É ÀúÇÏ ¸ðµ¨
( Permeability Reduction Model of Soil-Geotextile System Induced by Clogging )
ÀÌÀθð;±èÁÖÇö; Á¤È¸¿ø, °í·Á´ëÇб³ °ø°ú´ëÇÐ Åä¸ñȯ°æ°øÇаú;Á¦ÀÏ¿£Áö´Ï¾î¸µ Áö¹Ý°øÇкÎ;
 
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Èë ÇÊÅ͸¦ ´ë½ÅÇÑ Åä¸ñ¼¶À¯ÀÇ »ç¿ë·®ÀÌ Á¡Â÷ Áõ°¡Çϰí ÀÖ´Ù. µû¶ó¼­ Èë°ú °áÇÕµÈ º¹ÇÕü°è¿¡ ´ëÇÑ ¸ÞÄ«´ÏÁò ¿¬±¸°¡ Ȱ¹ßÈ÷ ÁøÇàµÇ°í´Â ÀÖÁö¸¸ ÀÌ·¯ÇÑ º¹ÇÕüÀÇ °Åµ¿Àº Èë°ú »ç¿ë ÇÊÅÍÀçÀÇ »óÈ£ÀÛ¿ëÀ¸·Î ÀÎÇÑ ¿©·¯ °¡Áö ¿µÇâ ÀÎÀÚµé ¶§¹®¿¡ ½ÇÁ¦ÀÇ ÇÊÅÍ ¼³°è´Â °æÇèÀûÀÎ ¹æ¹ý¿¡ ÀÇÁ¸Çϰí ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â Èë/ºÎÁ÷Æ÷ ½Ã½ºÅÛ¿¡¼­ ¼¼¸³ÀÚ À̵¿¿¡ ÀÇÇÑ Æó»ö Çö»óÀ» ±Ô¸íÇϰíÀÚ ÇÏ¿´´Ù. ±¹³»ÀÇ ´ëÇ¥ÀûÀΠdzȭÀÜÀûÅä Áö¹Ý¿¡ ¼ÓÇÏ´Â ¼­¿ïÀÇ ½Å³»µ¿°ú Æ÷À̵¿ Áö¿ªÀÇ ÈêÀ» ½Ã·á·Î ÀÌ¿ëÇÑ º» ½ÇÇèÀº ÇÊÅÍÀç ³»¿¡¼­ÀÇ È帧¹æÇâ¿¡ µû¶ó ¼öÆòÈ帧°ú ¼öÁ÷È帧À¸·Î ³ª´©¾î ½Ç³» ½ÃÇèÀ» ½Ç½ÃÇÏ¿´´Ù. ÇÊÅÍÀç·Î¼­´Â ÇöÀå¿¡¼­ ¹è¼öÀç·Î ±¤¹üÀ§ÇÏ°Ô ¾²ÀÌ´Â Åä¸ñ¼¶À¯¸¦ »ç¿ëÇÏ¿´´Ù. Èë ¸ðü¿Í ÇÊÅͰ¡ °áÇÕµÈ º¹ÇÕüÀÇ ÀûÇÕ¼º ¿©ºÎ¸¦ ÇÊÅÍÀçÀÇ È帧¿¡ µû¶ó ºñ±³, ºÐ¼®ÇÏ°í ±âÁ¸¿¡ Á¦¾ÈµÈ Æó»ö ¹æÁö ±âÁØÀ» Àû¿ëÇÏ¿© º¸¾Ò´Ù. ÀÌ·¯ÇÑ ½ÇÇè°á°ú¸¦ Åä´ë·Î ÇÏ¿© ¼öÆò È帧½Ã ¹ß»ýÇÏ´Â °ø°£Àû Åõ¼ö °è¼ö º¯È­¸¦ ¿¹ÃøÇÒ ¼ö ÀÖ´Â ¸ðµ¨À» Á¦¾ÈÇÏ°í ½Ç³»¿¡¼­ ½Ç½ÃÇÑ ¸ðÇü½ÇÇè°ú ÀÌ·ÐÀû ¸ðµ¨¿¹ÃøÀÇ ºñ±³¸¦ ÅëÇÏ¿© Åõ¼ö´É ÀúÇÏ Çö»óÀÇ ½Ã°¢Àû, °ø°£Àû º¯È­ ¾ç»óÀ» ÆÄ¾ÇÇÏ¿´´Ù.
In this study, the permeability reduction in the soil-filter systems due to clogging phenomenon was evaluated. An extensive research program was performed using two typical weathered residual soils which were sampled at Shinnae-dong and Poi-dong area in Seoul. Two separate simulation tests with weathered residual soil were performed: one was the filtration test(cross-plane flow test); and the other was the drainage material in the field. The compatibility of the sol-filter system was investigated with emphasis on the clogging phenomenon. The hydraulic behaviour of the soil-filter system was evaluated by changing several testing conditions. Also, experimental results of the permeability reduction are compared with the results obtained from the theoretical model which can monitor the spatial variation of the permeability with time.
 
Ű¿öµå
Geotextile;Filter;In-plane flow;Cross-plane flow;Clogging;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.16, no.4, 2000³â, pp.107-116
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200011920441378)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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