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Çѱ¹Áö¹Ý°øÇÐȸ / v.18, no.6, 2002³â, pp.17-24
ÃÊÀ½ÆÄ¸¦ ÀÌ¿ëÇÑ Ä«¿Ã¸° Á¡ÅäÀÇ °è¼ö ¹× °¨¼è Ư¼º
( Modulus and Damping Properties of Kaolinite Using Ultrasonic Testing )
¹Î´ö±â; ¿ï»ê´ëÇб³ Áö±¸È¯°æ½Ã½ºÅÛ°øÇкÎ;
 
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º» ¿¬±¸¿¡¼­´Â ÃÊÀ½ÆÄ½ÇÇèÀ» ÅëÇÏ¿© Ä«¿Ã¸° Á¡Åä ½Ã·áÀÇ ÃÊÀ½ÆÄ ÀüÆÄ ¼Óµµ¿Í °¨¼èƯ¼ºÀ» Á¶»çÇÏ¿´´Ù. ½½·¯¸® ¾Ð¹Ð ¹æ¹ýÀ» ÀÌ¿ëÇÏ¿© À̻걸Á¶¿Í ¸é¸ð±¸Á¶¸¦ °®´Â µÎ Á¾·ùÀÇ Ä«¿Ã¸° Á¡Å並 ÀΰøÀûÀ¸·Î Á¦ÀÛÇÏ¿´´Ù. ÃÊÀ½ÆÄ¸¦ ÀÌ¿ëÇÏ¿© °¢ ±¸Á¶¸¦ °¡Áø Á¡ÅäÀÇ ¾ÐÃàÆÄ ¼Óµµ ¹× °¨¼è °Åµ¿À» ÃøÁ¤ÇÏ¿´´Ù. ÃøÁ¤½Ã °¡Áø Á֯ļö, ½Ã·á ±æÀÌ, ÃøÁ¤ ¹æÇâ µîÀ» º¯È­½ÃŰ¸ç ±×¿¡ ´ëÇÑ ¿µÇâÀ» Á¶»çÇÏ¿´´Ù. ½ÇÇè °á°ú ÀüÆÄ¼Óµµ´Â °°Àº ¾ÐÃà ÀÀ·Â Á¶°Ç¿¡¼­ Á¦ÀÛµÈ º» ½Ã·áÀÇ °æ¿ì ¹Ì¼¼±¸Á¶ÀÇ ¿µÇâÀÌ Å©Áö ¾Ê¾ÒÀ¸³ª °¨¼è Ư¼ºÀº ¹Ì¼¼±¸Á¶ÀÇ ¿µÇâÀÌ Å« °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
The objective of the present research is to evaluate the wave propagation velocity and attenuation characteristics of kaolin clay specimens using ultrasonic testing. Test specimens with known initial micro-fabric were prepared using a two-stage slurry consolidation technique. For a known state of stress conditions, initial void ratio, and micro-fabric, a series of experiments were conducted to evaluate the longitudinal wave propagation velocity and associated damping behavior. The effects of major variables involved in ultrasonic testing of cohesive soil were considered in this study. Ultrasonic velocity was not correlated to the microfabric structure under the given consolidated pressure whereas ultrasonic attenuation was affected by the microstructural properties of the specimen.
 
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Damping;Kaolinite;Microfabric;Slurry consolidated method;Ultrasonic;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.18, no.6, 2002³â, pp.17-24
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200211921511278)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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