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Çѱ¹Áö¹Ý°øÇÐȸ / v.19, no.5, 2003³â, pp.59-67
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( Experimental Study of Thermal-mechanical Influence on the Hydraulic Properties of Rock )
Àü¼®¿ø;ȫâ¿ì;ÀÌÁÖÇö;°­ÁÖ¸í;¹è´ë¼®; ¼­¿ï´ëÇб³ Áö±¸È¯°æ½Ã½ºÅÛ°øÇкÎ;¼­¿ï´ëÇб³ Áö±¸È¯°æ½Ã½ºÅÛ°øÇкÎ;Àü±¹°æÁ¦Àο¬ÇÕȸ Á¶»çº»ºÎ;¼­¿ï´ëÇб³ Áö±¸È¯°æ½Ã½ºÅÛ°øÇкÎ;Çѱ¹¿øÀڷ¿¬±¸¼Ò;
 
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º» ¿¬±¸¿¡¼­´Â ÁöÇϼö À¯µ¿ Ư¼º ÇØ¼®ÀÇ ½Å·Úµµ ÁõÁøÀ» À§Çؼ­ ¿ì¸®³ª¶ó ½ÉºÎ°áÁ¤Áú ¾Ï¼®ÀÇ Á¢ÃË ¸éÀû°ú °£±ØÀÇ º¯È­¾ç»ó, ±¸¼Ó¾Ð°ú ¿Âµµ¿¡ µû¶ó À¯Ã¼Åõ°úÀ²ÀÇ º¯È­ ¾ç»óÀ» »ìÆìº¸°íÀÚ ÇÏ¿´´Ù. ¶ÇÇÑ ¿ªÇÐÀû ¹°¼º°ú ¿­Àû ¹°¼ºÀ» ÃøÁ¤ÇÏ¿© ¸ðµ¨¸µÀÇ ÀÔ·ÂÀÚ·á¿¡ ´ëÇÑ ½Åºù¼ºÀ» ³ôÀÏ ¼ö ÀÖµµ·Ï ÇÏ¿´´Ù. ½ÇÇè °á°ú ÃÊ±â Æò±Õ °£±ØÀº 544.33$mu extrm{m}$¡­898.62$mu extrm{m}$ ¹üÀ§¸¦ º¸¿´À¸¸ç ºÐÆ÷Ư¼ºÀº ·Î±×-Á¤±ÔºÐÆ÷ ÇüŸ¦ º¸¿´´Ù. ±¸¼Ó¾Ð º¯È­¿¡ µû¶ó À¯Ã¼Åõ°úÀ²Àº °¨¼ÒÇÏ´Â °æÇâÀÌ ³ªÅ¸³ª°í ¿Âµµ Áõ°¡¿¡ µû¶ó À¯Ã¼Åõ°úÀ²ÀÌ °¨¼ÒÇÏ´Â °æÇâÀ» º¸¿´À¸¸ç Á¢ÃË ¸éÀûÀÌ Ä¿Áö¸é À¯Ã¼Åõ°úÀ² º¯È­ ÆøÀÌ ÀÛ¾ÆÁüÀ» À̷аú ½ÇÇèÀ» ÅëÇØ ±Ô¸íÇÏ¿´´Ù. ¾Ï¼®ÀÇ ¿ªÇÐÀû, ¿­Àû ¹°¼ºÀ» ÃøÁ¤ÇÑ °á°ú ±âÁ¸¿¡ ÃøÁ¤µÈ ¿ì¸®³ª¶ó È­°­¾ÏÀÇ ¹°¼ºÄ¡¿Í ±Ù»çÇÑ °ªÀ» °¡Áö´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
In this study, the change in hydraulic conductivity according to the changes in the contact area, aperture, confining pressure and temperature was observed to improve the reliability of the analysis of underground water flow. Also, the mechanical and thermal properties of domestic crystalline rocks in a great depth were obtained. It was found that the averaged intial aperture ranged from 544.33${mu}{ extrm}{m}$ to 898.62${mu}{ extrm}{m}$ and it followed a log-normal distribution. The hydraulic conductivity decreased with the increase of normal stress on the fracture surface and the hydraulic conductivity decreased as temperature increased. The change in hydraulic conductivity was strongly correlated with the change in contact area. It was verified by experiments that hydraulic conductivity was inversely proportional to the contact area. The measured mechanical and thermal properties were very close to the existing typical properties of domestic granites.
 
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Aperture;Contact area;Hydraulic conductivity;THM coupling;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.19, no.5, 2003³â, pp.59-67
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311921979067)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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