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Çѱ¹Áö¹Ý°øÇÐȸ / v.23, no.6, 2007³â, pp.115-126
Æ¿ÆÃÂ÷·®ÀÇ °î¼±ºÎ ¿îÇà½Ã ¼öÄ¡ÇØ¼®À» ÀÌ¿ëÇÑ ³ë¹Ý°Åµ¿ Æò°¡
( Evaluation of the Roadbed Behavior During Tilting-train Operation in Curved Track Using Numerical Analysis )
Àü»ó¼ö;¾ö±â¿µ;±èÀç¹Î; ÀÎÁ¦´ëÇб³ Åä¸ñ°øÇаú;Çѱ¹Ã¶µµ±â¼ú¿¬±¸¿ø;ÀÎÁ¦´ëÇб³ Åä¸ñ°øÇаú;
 
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Æ¿ÆÃÂ÷·®Àº ±âÁ¸ÀÇ ÇϺα¸Á¶¸¦ ÃÖ´ëÇÑ È°¿ëÇÏ¿© È¿°úÀûÀ¸·Î °í¼Ó¼­ºñ½º¸¦ Á¦°øÇÒ ¼ö ÀÖ´Ù´Â Á¡¿¡¼­ ¼¼°è ¿©·¯ öµµ ¿î¿µÀÚµéÀÇ ³ôÀº È£ÀÀÀ» ¹Þ°í ÀÖÁö¸¸ ±âÁ¸¿¡ ¿îÇà ÁßÀÎ Â÷·®°ú´Â Â÷·®ÀÇ ¼º´É»Ó ¾Æ´Ï¶ó °î¼±ºÎÀÇ ÁÖÇà¼Óµµ¿Í Åë°ú ¸ÞÄ¿´ÏÁò µîÀÌ ´Ù¸£±â ¶§¹®¿¡ ¿îÇà ¹× ³ë¹ÝÀÇ ¾ÈÁ¤¼º Æò°¡°¡ ÀÌ·ç¾îÁ®¾ß ÇÑ´Ù. º» ¿¬±¸¿¡¼­´Â Æ¿ÆÃÂ÷·®ÀÌ ±ËµµºÎ ´ã·Â°ú ÁÖÇà¾ÈÁ¤¼º °ËÅä¿¡¼­ »êÁ¤µÈ Çã¿ë¼Óµµ·Î ¿îÇàÇÒ °æ¿ì ¼öÄ¡ÇØ¼®À» ÅëÇÏ¿© ħÇÏ·®°ú ÁöÁö·Â Ãø¸é¿¡¼­ ³ë¹ÝÀÇ °Åµ¿À» ºÐ¼®ÇÏ¿´°í ±âÈĺ¯È­ ¹× ¿­Â÷ÀÇ ¹Ýº¹ÇÏÁßÀ¸·Î ÀÎÇØ ¿¬¾àÇØÁø ³ë¹ÝÀÇ ¾ÈÁ¤¼º °ËÅ並 ¼öÇàÇÏ¿´´Ù. ¼öÄ¡ÇØ¼® °á°ú, »óºÎ³ë¹Ý ¹× ¿øÁö¹ÝÀÇ Åº¼º°è¼ö°¡ Àå´ë·¹ÀÏÀÇ °æ¿ì $2,300t/m^2$ ¹× $3,300t/m^2$ ÀÌ»ó, ·¹ÀÏÀÌÀ½¸ÅÀÇ °æ¿ì $3,800t/m^2$ ¹× $4,600t/m^2$ ÀÌ»óÀÏ ¶§ ³ë¹ÝÀÇ Ä§ÇÏ·®Àº Çã¿ëħÇÏ·® °ªÀ» ¸¸Á·ÇÑ´Ù.
The tilting-train is very attractive to the railroad users in the world because it runs with high speed in curved track using pre-existing infrastructure. The tilting-train has a unique allowable speed and mechanism expecially in curved track. Therefore, it should be evaluated in terms of the stability of the train operation and roadbed. In this study, when the tilting-train is being operated with the allowable speed, the behavior of the roadbed is evaluated by examining the settlement and bearing capacity of the roadbed. Additionally, the stability of the roadbed is estimated in the condition of soft roadbed influenced by the weather effects and cyclic train loading. The numerical results show that the roadbed settlements satisfy the allowable settlement when Young's moduli of the upper roadbed and in-situ soil are more than $2,300t/m^2;and;3,300t/m^2$, respectively, in the continuous welded rail (CWR) and $3,800t/m^2;and;4,600t/m^2$, respectively, in the rail joint.
 
Ű¿öµå
Bearing capacity;Numerical analysis;Roadbed;Settlement;Tilting-train;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.23, no.6, 2007³â, pp.115-126
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200727500255074)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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