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Çѱ¹Áö¹Ý°øÇÐȸ / v.14, no.4, 1998³â, pp.5-16
ÅðÀû¾ÏÀÇ ºñµî¹æ Ư¼º¿¡ °üÇÑ ¿¬±¸(´ë±¸Áö¿ª)
( A Study on Anisotropic Characteristics of Sedimentary Rocks(Taegu area) )
±è¿µ¼ö;Çã³ë¿µ;¼­ÀνÄ; °æºÏ´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;°æºÏ´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú ¹Ú»ç¼ö·á, °æµ¿Á¤º¸´ëÇÐ Åä¸ñ°ú;;
 
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´ë±¸Áö¿ªÀÇ Á¦¹ÝÀº ÁÖ·Î ¼â¼³¼º ÅðÀû¾ÏÀÎ Ç÷¾ÏÀ¸·Î ±¸¼ºµÇ¾î ÀÖ´Ù. ÀÌ Ç÷¾ÏÀº ºñ±ÕÁú, ºñµî¹æ¼º ¾Ï¼®À¸·Î °¢Á¾ ¹°¼ºÄ¡¿Í ¿ªÇÐÀû Ư¼ºÀÌ Ãþ¸®¸éÀÇ °¢µµ($eta$°ª)¿¡ µû¶ó ¸Å¿ì ´Ù¸£´Ù. º» ¿¬±¸¿¡¼­´Â ´ë±¸Áö¿ªÀÇ Ç÷¾Ï¿¡ ´ëÇÏ¿© °¢Á¾ ¹°¼º, ¿ªÇÐÆ¯¼º ½ÃÇèÀ» ½Ç½ÃÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù. ºñÁß°ªÀº $eta$°ªÀÌ Ä¿Áú¼ö·Ï °¨¼ÒÇÏÁö¸¸ °£±Ø·ü, Èí¼öÀ²Àº ÀÌ¿Í ¹Ý´ë·Î Áõ°¡ ÇÏ¿´´Ù. ź¼ºÆÄ ¼Óµµ´Â ($eta$°ªÀÌ $90^{circ}$ À϶§°¡ °¡Àå ²ö °£À» º¸À̰í ź¼º°è¼ö´Â$eta$°°ÀÌ $30^{circ}$¿¡¼­ ÃÖ´ëÄ¡¸¦ ³ªÅ¸³»¾ú´Ù. ±×¸®°í °­µµÈ¤¼º°ú °­µµÁ¤¼öÀÎ Á¡Âø·Â°ú ¸¶Âû°¢Àº ¸ðµÎ $eta$°ªÀÌ $60^{circ}$¿¡¼­ °¡Àå ÀÛÀº °ªÀ» ³ªÅ¸³»¾ú´Ù.
The ground of Taegu area consists mainly of shales with elastic sedimentary rocks. These shales have a nonhomogeneous and anisotropic characteristics. So their physical and mechanical properties are very different due to the angles($eta$ value) of bedding planes of sedimentary rock. In this study, the physical and mechanical characteristics of shales in Taegu area are studied by performing all kinds of rock test. According to results of test, apparent specific gravity of shale decreases as the $eta$ value increases. On the contrary, porosity and absorption increase. Elastic wave velocity shorts the highest value at the $90^{circ}$. And Young's modulus shows the maximum value at the $30^{circ}$. The uniaxial strength, triaxial strength, cohesion and angle of friction show the minimum value at the $60^{circ}$respectively.
 
Ű¿öµå
Sedimentary rock;Shale;Bedding plane;Anisotropic;Nonhomogeneous;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.14, no.4, 1998³â, pp.5-16
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199811920448196)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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