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Çѱ¹Áö¹Ý°øÇÐȸ / v.23, no.10, 2007³â, pp.33-45
¹ßÆÄÁøµ¿ÀÌ ÀÎÁ¢ÇÑ ÅͳÎÀÇ ÄÜÅ©¸®Æ® ¶óÀÌ´×°ú ·Ïº¼Æ®ÀÇ ¾ÈÁ¤¼º¿¡ ¹ÌÄ¡´Â ¿µÇâÆò°¡
( Stability Assessment of Concrete Lining and Rock Bolts of the Adjacent Tunnel by Blast-Induced Vibration )
Àü»ó¼ö;±èµÎ¼·;Àå¾ç¿ø; ÀÎÁ¦´ëÇб³ Åä¸ñ°øÇаú;»óÇÕ E&C.;ÀÎÁ¦´ëÇб³ Åä¸ñ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â ¹ßÆÄ ½Ã ¹ß»ýµÇ´Â Áö¹ÝÁøµ¿ÀÌ ÀÎÁ¢ÇÑ ÅͳΠÁöº¸ÀçÀÇ ¾ÈÁ¤¼º¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ºÐ¼®Çϰí, ¹ßÆÄÁøµ¿¿¡ ÀÇÇÑ ÅͳÎÀÇ ¿ªÇÐÀû ¾ÈÁ¤¼ºÀ» Çã¿ëÁøµ¿¼Óµµ¸¦ ±âÁØÀ¸·Î °ËÅäÇÏ¿´´Ù. ±âÁ¸¿¡ Á¦½ÃµÈ ¹Ì±¤¹«±¹°ú ¼­¿ïÁöÇÏö¿¡¼­ Á¦½ÃÇÑ À̷нÄ, ±×¸®°í ¼öÄ¡ÇØ¼® ÇÁ·Î±×·¥À» »ç¿ëÇÏ¿© Çã¿ëÁøµ¿¼Óµµ¸¦ ÃʰúÇÏÁö ¾Ê´Â ¹ßÆÄÀ̰ݰŸ®¸¦ »êÁ¤ÇÏ¿´°í, ¹ßÆÄ½Ã ÄÜÅ©¸®Æ® ¶óÀÌ´×°ú ·Ïº¼Æ®ÀÇ °Åµ¿À» Æò°¡ÇÏ¿´´Ù. ÄÜÅ©¸®Æ® ¶óÀÌ´×ÀÇ ±¸Á¶Àû ¾ÈÁ¤¼º¿¡ ¹ÌÄ¡´Â ¹ßÆÄÁøµ¿¿µÇâÀº ¹Ì¹ÌÇÑ °ÍÀ¸·Î ³ªÅ¸³µÀ¸³ª, ·Ïº¼Æ®¿¡ ¹ÌÄ¡´Â ¿µÇâÀº »ó´ëÀûÀ¸·Î Å©´Ù´Â °ÍÀ» ¾Ë ¼ö ÀÖ¾ú´Ù.
In this study, the blast-induced vibration effects on the structural stability of the adjacent tunnel were estimated with respect to the allowable peak particle velocity (PPV). The blasting distance from the tunnel satisfying the allowable PPV was estimated based on the analytical solutions, United States Bureau of Mines (USBM) suggestions, and the equations used in the subway in Seoul. The allowable blasting distance was estimated by using finite difference analysis (FDA) and the behavior of the concrete lining and rock bolts was examined and the stability of those was estimated during the blast. Research results show that the blast-induced vibration effects on the structural stability are negligible for the concrete lining but relatively large for the rock bolts.
 
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Blast-induced vibration;Numerical analysis;Peak particle velocity;Tunnel;Tunnel support;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.23, no.10, 2007³â, pp.33-45
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200703534283678)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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