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Çѱ¹Áö¹Ý°øÇÐȸ / v.24, no.11, 2008³â, pp.25-34
°í¼Óöµµ ±Ëµµ Á¾·ù¿¡ µû¸¥ Çã¿ëħÇÏ·® ºÐ¼®
( Analysis of Allowable Settlement on Tracks of High Speed Railway )
±è¿µÈ£;Á¤»ó¼¶;¼³ÈÆÀÏ;ÇÑ¿µ¾Æ; ¿¬¼¼´ëÇб³ Åä¸ñ°øÇаú;¿¬¼¼´ëÇб³ Åä¸ñ°øÇаú;¿¬¼¼´ëÇб³ Åä¸ñ°øÇаú;Çѱ¹Ã¶µµµµ½Ã°ø´Ü;
 
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º» ¿¬±¸¿¡¼­´Â °í¼Óöµµ ±ËµµÀÇ Á¾·ù¿¡ µû¸¥ Çã¿ëħÇÏ·® ºÐÆ÷ Ư¼ºÀ» ºÐ¼®Çϱâ À§ÇÏ¿©, ±âÁ¸ °æºÎ °í¼Óöµµ¿¡ »ç¿ëµÇ¾ú´ø ÀÚ°¥µµ»ó ±Ëµµ¿Í ½Ã°ø¿¹Á¤ÀÎ ÄÜÅ©¸®Æ® ±ËµµÀÇ ´ëÇ¥´Ü¸é ¹× Áö¹Ý ¹°¼ºÄ¡¸¦ ¹ÙÅÁÀ¸·Î öµµ ¿îÇà ½Ã ·¹ÀÏ»óºÎ¿¡¼­ ¿­Â÷ÇÏÁß¿¡ ÀÇÇØ ¹ß»ýµÇ´Â ħÇÏ·®À» 3Â÷¿ø¼öÄ¡ÇØ¼®À» ÅëÇØ ºÐ¼®ÇÏ¿´´Ù. ƯÈ÷ ÄÜÅ©¸®Æ®±ËµµÀÇ °æ¿ì¿¡´Â ¿øÁö¹ÝÀÇ ¹°¼º º¯È­¿¡ µû¸¥ ħÇÏ·® °á°ú¸¦ Åä´ë·Î ¸»¶ÒÁöÁöÀü¸é±âÃÊ(pile raft foundation) º¸°­ ½Ã ħÇÏ °¨¼Ò È¿°ú¸¦ ºÐ¼® Á¤¸®ÇÏ¿´´Ù. º» ¿¬±¸°á°ú, ¿øÁö¹ÝÀÌ Á¡¼ºÅä¿¡¼­´Â ÄÜÅ©¸®Æ® ±Ëµµ¿Í ÀÚ°¥µµ»ó ±ËµµÀÇ »ç¿ë¿¡ µû¶ó ħÇÏ·®ÀÇ Â÷À̰¡ ÄÇÀ¸³ª, »çÁúÅä Áö¹ÝÀÇ °æ¿ì´Â ±Ëµµº° ħÇÏ·® Â÷À̰¡ »ó´ëÀûÀ¸·Î ÀÛ°Ô ³ªÅ¸³µ´Ù. ¶ÇÇÑ ÄÜÅ©¸®Æ® ±Ëµµ ´Ü¸éÀÇ Ä§ÇÏ·® Àú°¨À» À§ÇÑ ¸»¶Ò Àü¸é±âÃÊ ½Ã°øÀÇ °æ¿ì, ¹«º¸°­ ´Ü¸éÀÇ ÇØ¼®°á°úº¸´Ù ÁöÁö·ÂÀÌ È®º¸µÇ¾î ħÇÏ·® °¨¼Ò°¡ ³ªÅ¸³µÀ¸¸ç, ¸»¶ÒÀÇ ±æÀ̰¡ Áõ°¡µÉ¼ö·Ï ħÇÏ·® °¨¼Ò È¿°ú°¡ ¶Ñ·ÇÇÏ°Ô ³ªÅ¸³µ´Ù. ÇÏÁßÇüÅÂÀÇ °æ¿ì´Â ±âÁ¸ ¼³°è¿¡ »ç¿ëµÇ¾ú´ø °´Â÷ ÇÏÁß¿¡ ÀÇÇÑ Ä§ÇÏ·®º¸´Ù ±â°üÂ÷ ÇÏÁß¿¡ ÀÇÇÑ Ä§ÇÏ·®ÀÌ ´õ Å©°Ô ¹ß»ýÇÏ¿© ±â°üÂ÷ ÇÏÁßÀ» ÅëÇÑ ±Ëµµ ¼³°è¸¦ ÇÒ °æ¿ì Á» ´õ ¾ÈÀüÃø ¼³°è°¡ °¡´ÉÇÔÀ» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù.
An application of concrete track is being actively processed for the construction of Korean high speed railway. The concrete track has an advantage in decreasing the maintenance cost, whereas it has much difficulty controlling the long term settlement after settlement occurred. Therefore, the management and control of settlement are very important for the successful construction of concrete track. The purpose of this paper is to verify the allowable settlement between concrete track and ballast track, and piled raft foundation installation effects as settlement reducers for concrete track. Therefore, a series of 3D finite element analyses that take into account the allowable settlement were performed for major parameters such as soil condition, pile installation and loading type. Based on the analysis, it is shown that concrete track causes much smaller settlement than ballast track, and the effect of installation is necessary to effectively reduce the settlement of concrete track.
 
Ű¿öµå
Allowable settlement;Ballast track;Concrete trak;High speed railroad;Piled raft foundation;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.24, no.11, 2008³â, pp.25-34
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200806135608525)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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