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Çѱ¹Áö¹Ý°øÇÐȸ / v.20, no.3, 2004³â, pp.33-46
ÀÀ·Â-°£±Ø¼ö¾Ð 3Â÷¿ø ¿¬°èÇØ¼®À» ÅëÇÑ Åͳα¼Âø°ú ÁöÇϼöÀÇ »óÈ£ÀÛ¿ë °íÂû
( Investigation on Tunneling and Groundwater Interaction Using a 3D Stress-pore Pressure Coupled Analysis )
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º» ³í¹®¿¡¼­´Â ÁöÇϼö°¡ Åͳα¼Âø¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» °íÂûÇÏ¿´´Ù. ¸ÕÀú ÁöÇϼöÀ§ ¾Æ·¡¿¡¼­ÀÇ Åͳνðø½Ã ¹ß»ýÇÏ´Â ±âº» ¸ÞÄ«´ÏÁòÀ» ¾Ë¾Æº¸¾ÒÀ¸¸ç °¡»óÀÇ ½Ã°øÁ¶°Ç¿¡ ´ëÇØ À¯ÇÑ¿ä¼ÒÇØ¼® ±â¹ÝÀÇ 3Â÷¿ø ÀÀ·Â-°£±Ø¼ö¾Ð ¿¬°èÇØ¼®À» ¼öÇàÇÏ°í ±× °á°ú¸¦ Åä´ë·Î ¶óÀÌ´× ÀÛ¿ëÇÏÁß ¹× À¯¹ßÀÀ·Â, ¸·Àå¾ÈÁ¤¼º, ÁöǥħÇÏ µî ÁöÇϼö¿Í Åͳα¼ÂøÀÇ »óÈ£°ü°è¸¦ °íÂûÇÏ¿´´Ù. ÇÑÆí, ´Ù¾çÇÑ ¶óÀÌ´× Åõ¼ö¼º ¹× ±×¶ó¿ìÆÃ ÆÐÅÏ¿¡ ´ëÇÑ ÇØ¼®À» ¼öÇàÇϰí Àü¹ÝÀûÀÎ ÅͳΠ¹× ÁÖº¯Áö¹ÝÀÇ °Åµ¿À» ºÐ¼®ÇÏ¿´´Ù. ÇØ¼® °á°ú Åͳα¼Âø°ú ÁöÇϼöÀÇ »óÈ£ÀÛ¿ëÀº ¶óÀÌ´× ÀÀ·Â°ú Áö¹Ý°Åµ¿À» Áõ°¡½Ã۸ç ÀÌ·¯ÇÑ ÁöÇϼö°¡ Åͳα¼Âø¿¡ ¹ÌÄ¡´Â ¿µÇâÀº ¿¬°èÇØ¼®À» ÅëÇØ¼­ ¸¸ÀÌ ÀÌÇØ°¡ °¡´ÉÇϸç ÀüÀÀ·ÂÇØ¼®À» ¼öÇàÇÒ °æ¿ì ÁöÇϼöÀÇ ¿µÇâÀ» °ú¼ÒÆò°¡ÇÒ ¼ö ÀÖ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ÇÑÆí, º» ÇØ¼®¿¡¼­ ¾ò¾îÁö´Â °á°ú¸¦ ½Ç¹«Àû Ãø¸é¿¡¼­ ´Ù°¢µµ·Î °íÂûÇÏ¿´´Ù.
This paper presents the effect of groundwater on tunnel excavation. Fundamental issues in tunneling under high groundwater table are discussed and the effect of groundwater on tunnel excavation was examined using a 3D stress-pore pressure coupled finite-element analysis. Based on the results the interaction mechanism between the tunnelling and groundwater is identified for cases having different lining permeabilities. Examined items include pore pressures around lining and lining stresses. Face deformation behavior as well as ground surface movement patterns was also examined. Besides, the effect of grouting pattern was investigated. The results indicated that the effect of groundwater on tunnel excavation increases lining stresses as well as ground movements, and that the tunnel excavation and groundwater interaction can only be captured through a fully coupled analysis. Implementations of the findings from this study are discussed in great detail.
 
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Coupled analysis;Finite-element analysis;Groundwater;Grouting;Tunneling;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.20, no.3, 2004³â, pp.33-46
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200411922341525)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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