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Çѱ¹Áö¹Ý°øÇÐȸ / v.26, no.8, 2010³â, pp.59-66
µ¿´ÙÁü °ø¹ýÀÇ °³·®½Éµµ ¹× Áøµ¿¿µÇâ ¿¹ÃøÀ» À§ÇÑ ¼öÄ¡ÇØ¼®Àû ¿¬±¸
( Numerical Study on the Prediction of the Depth of Improvement and Vibration Effect in Dynamic Compaction Method )
ÀÌÁ¾ÈÖ;ÀӴ뼺;õº´½Ä; ÇѾç´ëÇб³ °Ç¼³È¯°æ°øÇаú;ÇѾç´ëÇб³ °Ç¼³È¯°æ°øÇаú;ÇѾç´ëÇб³ °Ç¼³È¯°æ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â µ¿´ÙÁü °ø¹ýÀ» Àû¿ëÇÒ ½Ã °³·®½Éµµ¿Í Áøµ¿¿µÇâ ¿¹ÃøÀ» À¯ÇÑ¿ä¼ÒÇØ¼®À» ÅëÇØ ±× Àû¿ë¼ºÀ» ±Ô¸íÇÏ¿´´Ù. µ¿´ÙÁü °ø¹ýÀÌ Àû¿ëµÈ ±âÁ¸ ÇöÀå Á¶°Ç¿¡ µû¶ó Áö¹ÝÀ» ¸ðµ¨¸µÇÏ¿´À¸¸ç, µ¿ÀûÇÏÁß ¸ðµ¨Àº rigid body force¸¦ Àû¿ëÇÏ¿´´Ù. °³·®½Éµµ´Â ½Éµµº° ÃÖ´ë ¿¬Á÷ ÀÔÀÚ °¡¼Óµµ·Î ¿¹ÃøÀ» ÇÏ¿© ±âÁ¸ °æÇè½Ä°ú ºñ±³ ºÐ¼®ÇÏ¿´À¸¸ç, Áøµ¿¿µÇâÀº Áøµ¿¿øÀ¸·ÎºÎÅÍ °Å¸®º° ¿¬Á÷ ÃÖ´ë ÀÔÀÚ ¼Óµµ¸¦ µµÃâÇÏ¿© ±âÁ¸ °æÇè½Ä¿¡ ÀÇÇÑ °ª°ú ºñ±³ ºÐ¼®ÇÏ¿´´Ù. ¼öÄ¡ÇØ¼® °á°ú, °³·®½ÉµµÀÇ °æ¿ì ±âÁ¸ÀÇ °æÇè½Ä°ú ºñ½ÁÇÑ ¾ç»óÀ» ¶ç°í ÀÖÀ¸¸ç, Áøµ¿¿µÇâÀÇ °æ¿ì´Â ±âÁ¸ ½Ä°ú ƯÁ¤ ±¸°£¿¡¼­ Â÷À̸¦ º¸À̰í ÀÖÀ¸³ª, ¾î´À Á¤µµ ¼Ò¿äÀ̰ݰŸ®¸¦ ¿¹Ãø ÇÒ ¼ö ÀÖ¾ú´Ù. À̵é ÇØ¼®°á°ú´Â °æÇèÀûÀÎ ¹æ¹ý°ú ´õºÒ¾î µ¿´ÙÁü ¼³°èÀÇ ½Å·Úµµ Çâ»óÀ» À§ÇÑ ±âÃÊÀûÀÎ ÀÚ·á°¡ µÉ °ÍÀ¸·Î º¸ÀδÙ.
In this study, an applicability by using the FEM was investigated for the prediction of both the depth of improvement and the vibration effect when dynamic compaction method is applied. The region was modelled by the field conditions applying dynamic compaction method and the rigid body force was applied to the dynamic load model. Predicted depth of improvement calculated by the vertical peak particle acceleration was compared and analyzed with an existing empirical equation, and the effect of groundwave by deducing the peak particle velocity from vibration sources was compared and analyzed with the results of another existing empirical equation. The results showed that the prediction of the depth of improvement has similar tendency to practice, and the vibration effect has some differences in a particular section from existing equation, but it could predict the safety distance to some degree. The analyzed results are expected to be basic data for the development of reliability of dynamic compaction design with existing empirical method.
 
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Dynamic compaction method;ADINA;Depth of improvement;Vibration effect;Peak particle velocity;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.26, no.8, 2010³â, pp.59-66
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201033538932683)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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