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Çѱ¹Áö¹Ý°øÇÐȸ / v.22, no.7, 2006³â, pp.5-12
À̹ÌÁö ÇÁ·Î¼¼½ÌÀ» ÀÌ¿ëÇÑ ¾èÀº ÅͳΠ¸ðÇü½ÇÇè°ú ¼öÄ¡ÇØ¼®ÀÇ ºñ±³
( Comparison of Shallow Model Tunnel Test Using Image Processing and Numerical Analysis )
ÀÌ¿ëÁÖ; Æ÷Ç×»ê¾÷°úÇבּ¸¿ø, °­±¸Á¶¿¬±¸¼Ò, Åä¸ñ±¸Á¶¿¬±¸½Ç;
 
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º» ¿¬±¸´Â »çÁúÅä Áö¹Ý¿¡¼­ÀÇ ¾èÀº Åͳα¼ÂøÀ¸·Î ÀÎÇÑ Áö¹Ýº¯Çü °Åµ¿À» ±Ô¸íÇϱâ À§ÇØ ¿¬¼Óü »çÁúÅä Áö¹ÝÀ» ¸ð»ç ÇÏ´Â ¾Ë·ç¹Ì´½ ºÀ°ú ±Ù°Å¸® »çÁø°èÃø±â¹ýÀ» ÀÌ¿ëÇÏ¿© 2Â÷¿ø ½Ç³»¸ðÇü½ÇÇèÀ» ½Ç½ÃÇÏ¿´´Ù. ½ÇÇè°á°ú¿¡ ±Ù°ÅÇÏ´Â ¼öÄ¡ÇØ¼®À¸·ÎºÎÅÍ »ý¼ºµÈ º¯À§º¤ÅÍÀÇ ¹æÇâ°ú Å©±â´Â ¸ðÇü½ÇÇè °á°ú¿Í °ÅÀÇ ÀÏÄ¡ÇÏ¿´´Ù. ƯÈ÷, º¤ÅÍÀÇ ¹æÇâÀº ÅͳÎÀÇ ÀιöÆ® ¾Æ·¡ ¾î´À ÇÑ Á¡À» ÇâÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. Á¼Àº "±¼¶Ò ¶Ç´Â Æ©¿ï¸³" ÇüÅÂÀÇ ¼öÁ÷º¯À§´Â ¼öÄ¡ÇØ¼® ¹× ¸ðÇü½ÇÇè °á°ú¿¡¼­ È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù. ÀÌ·¯ÇÑ ¾ç»óÀº ÇöÀå¿¡¼­ ÃøÁ¤ÇÑ °á°ú¿Í Àß ÀÏÄ¡µÈ´Ù. Á¤¼ºÀûÀÎ ºñ±³¿Í ´õºÒ¾î ÁöÁß¿¡¼­ÀÇ 2Â÷¿ø Áö¹Ý¼Õ½Ç¿¡ µû¸¥ Á¤·®ÀûÀΠħÇÏ·® ºñ±³ °á°ú, ¸ðÇü½ÇÇè¿¡¼­ ÃøÁ¤µÈ ÁöÁßħÇÏ·®ÀÌ ¼öÄ¡ÇØ¼® °á°ú Àß ÀÏÄ¡µÊÀ» º¸¿©ÁÖ¾ú´Ù. µû¶ó¼­ º» ¸ðÇü½ÇÇè¿¡ Àû¿ëµÈ ±Ù°Å¸® »çÁø°èÃø±â¹ýÀº ¼öÄ¡ÇØ¼® °á°ú¸¦ °ËÁõÇϴµ¥ À¯¿ëÇÏ°Ô »ç¿ëµÉ ¼ö ÀÖ´Ù.
In this study, 2D shallow tunnel model test using close range photogrammetric technique was conducted with aluminium rods simulating continuum granular material. Numerical analysis was also carried out in order to identify the behaviour of subsurface deformations caused by shallow tunnelling. Direction and magnitude of displacement vectors from the model test were identical to the result of numerical analysis based on the model data. In particular, it is shown that the vector direction was toward a point below the tunnel invert level. A narrow "chimney or tulip like" pattern of vertical displacement was confirmed by both the model test and numerical analysis. This behaviour is consistent with the field data. In addition to the qualitative comparison, the quantitative result of subsurface settlements according to 2D volume loss showed good agreement between the model test and numerical analysis. Therefore, close range photogrammetric technique applied in the model test may be used to validate the result from the continuum numerical analysis.
 
Ű¿öµå
Aluminium rods;Close range photogrammetric technique;Continuum granular material;Numerical analysis;Shallow tunnel;Subsurface deformation;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.22, no.7, 2006³â, pp.5-12
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200634515067957)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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ȸ»ç¼Ò°³ ±¤°í¾È³» ÀÌ¿ë¾à°ü °³ÀÎÁ¤º¸Ãë±Þ¹æÄ§ Ã¥ÀÓÀÇ ÇѰè¿Í ¹ýÀû°íÁö À̸ÞÀÏÁÖ¼Ò ¹«´Ü¼öÁý °ÅºÎ °í°´¼¾ÅÍ
   

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