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Çѱ¹Áö¹Ý°øÇÐȸ / v.15, no.1, 1999³â, pp.113-125
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( A Study on Geology and Clay Minerals of the Landslide Area in the Munhyun-dong, Nam-gu, Pusan )
ȲÁø¿¬;±è¼±°æ;±èÃá½Ä; ºÎ»ê´ëÇб³ ÀÚ¿¬°úÇдëÇÐ ÁöÁúÇаú;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø;ºÎ»ê´ëÇб³ ÀÚ¿¬°úÇдëÇÐ ÁöÁúÇаú;
 
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ºÎ»ê½Ã ³²±¸ ¹®Çöµ¿ »ê»çÅ Áö¿ª¿¡ »êÃâÇÏ´Â Á¡Å䱤¹°¿¡ ´ëÇØ X-¼±È¸ÀýºÐ¼®, ÁÖ»çÀüÀÚÇö¹Ì°æ °üÂû ¹× È­Çкм® µîÀÇ Á¶»ç¸¦ ÇàÇÏ¿© »êÃâ»óÅ ¹× ±¤¹°ÇÐÀû Ư¼ºÀ» °ËÅäÇÏ¿´´Ù. ±× °á°ú, º» Áö¿ª¿¡´Â ÇÒ·ÎÀÌ»çÀÌÆ®, ¹ö¹Ìŧ¶óÀÌÆ®, ¿î¸ð/¹ö¹Ìŧ¶óÀÌÆ® È¥ÇÕÃþ±¤¹°, ¹ö¹Ìŧ¶óÀÌÆ®/½º¸ßŸÀÌÆ® È¥ÇÕÃþ±¤¹°, Ä«¿À¸®³ªÀÌÆ®, À϶óÀÌÆ® µîÀÇ ¿©·¯ Á¡Å䱤¹°ÀÌ ´Ù·® »êÃâµÇ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. »êÃâ»óÅ·Πº¸¾Æ À̵é Á¡Å䱤¹°Àº ±â¹Ý¾ÏÀÎ ¾È»ê¾ÏÀÇ Ç³È­º¯Áú¿¡ ÀÇÇØ Çü¼ºµÈ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. Áï, ¾È»ê¾ÏÀÇ Ãʱâ dzȭ´Ü°è¿¡¼­ ÇÒ·ÎÀÌ»çÀÌÆ®°¡ Çü¼ºµÇ°í, ±× ÈÄÀÇ Áß°£´Ü°è¿¡¼­ ¹ö¹Ìŧ¶óÀÌÆ®, ¿î¸ð/¹ö¹Ìŧ¶óÀÌÆ® È¥ÇÕÃþ±¤¹° ¹× ¹ö¹Ìŧ¶óÀÌÆ®/½º¸ßŸÀÌÆ® È¥ÇÕÃþ±¤¹°ÀÌ Çü¼ºµÇ¾úÀ¸¸ç, ÃÖÁ¾ÀÇ Ç³È­´Ü°è¿¡¼­ Ä«¿À¸®³ªÀÌÆ®°¡ ÁÖ·Î Çü¼ºµÈ °ÍÀ¸·Î »ç·áµÈ´Ù. ƯÈ÷ »ê»çÅ ¹ß»ýÁö¿ªÀÇ Áß½ÉºÎ¿Í ¹Ì²ô·¯Áø ¹Ù´Ú¸éÀÇ Á¡Åä¿¡¼­ ÇÒ·ÎÀÌ»çÀÌÆ®, ¹ö¹Ìŧ¶óÀÌÆ®, ¹ö¹Ìŧ¶óÀÌÆ®/½º¸ßŸÀÌÆ® È¥ÇÕÃþ±¤¹° µîÀÇ ÆØÀ±¼º Á¡Å䱤¹°ÀÌ ´Ù·® »êÃâµÇ¾ú´Ù. µû¶ó¼­ À̵é Á¡Å䱤¹°Àº ¹°À» Èí¼öÇÏ¿© ÆØÃ¢ÇÏ°Ô µÇ¸ç, ÀÌ¿¡ µû¶ó »ç¸éÀÇ Àü´ÜÀúÇ×À» ±Þ°ÝÈ÷ ¾àÈ­½Ãų ¼ö Àֱ⠶§¹®¿¡ »ê»çÅ ¹ß»ýÀÇ Áß¿äÇÑ ¿øÀÎÀ» Á¦°øÇÑ °ÍÀ¸·Î »ý°¢µÈ´Ù. ÁöÁú ¹× ±¸¼º±¤¹° µîÀÇ °ËÅä °á°ú, ÀÌ Áö¿ªÀÇ »ê»çÅ´ ±ÞÇÑ °æ»ç¸é, ÁýÁßÈ£¿ì, Àý¸®ÀÇ ¹ß´Þ, ¾Ï¼®ÀÇ º¯ÁúÀÛ¿ë, ±×¸®°í ÆØÀ±¼º Á¡Å䱤¹° µîÀÇ ¿äÀÎÀÌ º¹ÇÕÀûÀ¸·Î ÀÛ¿ëµÇ¾î ¹ß»ýµÈ °ÍÀ¸·Î »ç·áµÈ´Ù. µû¶ó¼­ »ê»çÅÂÀÇ Á¶»ç ¹× ¹æÁö´ëÃ¥¿¡ À־ ÁöÁú°ú ÇÔ²² Á¡Å䱤¹°¿¡ ´ëÇÑ °ËÅä°¡ ÇÊ¿äÇÑ °ÍÀ¸·Î »ç·áµÈ´Ù.
In this study the occurrence and mineralogical characteristics of clay minerals from the Munhyun-dong landslide area in Pusan city were examined by XRD, SEM, and chemical analyses. Several types of clay minerals such as halloysite, vermiculite, mica/vermiculite interstratified mineral, vermiculite/smectite interstratified mineral, kaolinite and illite are found abundantly in the area. The occurrence of clay minerals suggest that they have been formed by weathering of andesite which is the bedrock of the area. It is believed that halloysite was formed in the early stage of weathering, and vermiculite, mica/vermiculite interstratified mineral and mica/vermiculite interstratified mineral were formed in the middle stage, and finally, kaolinite was formed. The clay minerals occurring in the central part of the landsliding area and within the slip surface are dominated by expandable minerals such as halloysite, vermiculite and vermiculite/smectite interstratified mineral. These clay minerals expand by absorbing water and effectively decrease the shear resistance of the rock mass, and therefore, they could be an important factor for the landslide. The analyses of geology and mineralogical characteristics of the area suggest that the landslide was caused by combination of various factors including steep slope, heavy rainfall, abundant joints, alteration of the rocks, and occurrence of expandable clay minerals. The result of this study suggests that the investigation for the prevention of possible landslide must include the examination of clay mineralogy as well as the site geology.
 
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Landslide;Clay mineral;Weathering;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.15, no.1, 1999³â, pp.113-125
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911921748940)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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