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Çѱ¹Áö¹Ý°øÇÐȸ / v.19, no.4, 2003³â, pp.121-131
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°°ü ´Ù´Ü ±×¶ó¿ìÆÃÀ¸·Î º¸°µÈ ÅͳÎÀÇ Ä§Åõ¼ö·ÂÀ» °í·ÁÇÑ ¸·Àå ¾ÈÁ¤¼º °ËÅä
( Seepage-induced Face Stability of n Tunnel with Steel Pipe-reinforced Multistep Grouting ) |
| ÀÌÀθð;ÀÌÀ缺;³²¼®¿ì;ÀÌÇüÁÖ; °í·Á´ëÇб³ Åä¸ñȯ°æ°øÇаú;°í·Á´ëÇб³ Åä¸ñȯ°æ°øÇаú;°í·Á´ëÇб³ Åä¸ñȯ°æ°øÇаú;»ï¼º°Ç¼³ Åä¸ñ¿µ¾÷ÆÀ;
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| µµ½ÉÁö¿¡¼ ¿¾ÇÇÑ Áö¹ÝÁ¶°Ç¿¡¼ÀÇ ÅͳΠ½Ã°øÀ» ¶§¶§·Î ºÒ°¡ÇÇ ÇÏ´Ù. ÅͳÎÀÇ ¾ÈÁ¤¼º Áõ´ë¿Í ÀÎÁ¢ ±¸Á¶¹°ÀÇ ¼Õ»óÀ» ¹æÁöÇϱâ À§ÇÏ¿© Áö¹Ý °³·®°ú º¸°ÀÌ ¿ä±¸µÈ´Ù. ÀÌ·¯ÇÑ ¸ñÀûÀ» ´Þ¼ºÇϱâ À§ÇØ º¸Á¶ °ø¹ýÀ¸·Î °°ü ´Ù´Ü ±×¶ó¿ìÆÃÀº ±Ù·¡¿¡ ±¹³»ÀÇ ÅͳΠÇöÀå¿¡ Àû¿ëµÇ°í ÀÖ´Ù. º» ¿¬±¸¿¡¼´Â °°ü ´Ù´Ü ±×¶ó¿ìÆÃÀ¸·Î º¸°µÈ ÅͳÎÀÇ ¸·Àå ¾ÈÁ¤¼ºÀ» Æò°¡ÇÏ¿´´Ù. °ÇÁ¶ÇÑ Áö¹Ý¿¡¼´Â Áöº¸¾ÐÀÌ °°ü ´Ù´Ü ±×¶ó¿ìÆÃÀ¸·Î ÀÎÇØ Å©°Ô °¨¼ÒÇÏÁö ¾ÊÀ¸³ª ÁöÇϼöÀ§ ÇÏ¿¡¼ Åͳνðø ½Ã ÅͳΠ¸·Àå¿¡ ¹ß»ýÇÏ°Ô µÇ´Â ħÅõ¼ö·ÂÀº »ó´ëÀûÀ¸·Î Å©°Ô °¨¼ÒÇÏ¿´´Ù. Åõ¼ö°è¼öÀÇ À̹漺ÀÌ ÅͳΠ¸·Àå¿¡ ÀÛ¿ëÇϴ ħÅõ¼ö·Â¿¡ ¹ÌÄ¡´Â ¿µÇâÀº ¿ªÇÐÇØ¼®°ú ÁöÇϼö Èå¸§ÇØ¼®ÀÇ ¿¬°èÇØ¼®À» ÅëÇÏ¿© °ËÅäµÇ¾ú´Ù. ¼öÁ÷¹æÇâ¿¡ ºñÇØ ¼öÆò¹æÇâÀÇ Åõ¼ö°è¼ö°¡ Å« °æ¿ì ÅͳΠ¸·Àå¿¡ ÀÛ¿ëÇϴ ħÅõ¼ö·ÂÀº °¨¼ÒÇÏ¿´´Ù. |
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| Tunneling in difficult geological conditions is often inevitable especially in urban areas. Ground improvement and reinforcement techniques are often required to guarantee safe tunnel excavations and/or to prevent damage to adjacent structures. The steel pipe-reinforced multistep grouting method has been recently applied to tunnel sites in Korea as an auxiliary technique. In this study, the face stability with steel pipe-reinforced multistep grouting was evaluated emphasizing the effect of seepage forces. The study revealed that the influence of the steel pipe-reinforced multistep grouting on the support pressure in dry condition is not significant while there is relatively a large amount of reduction in seepage forces by adopting the technique in saturated condition. The effect of the anisotropy of permeability on the seepage force acting on the tunnel face was also estimated by conducting the coupled analysis. It was found that a higher horizontal permeability compared with the vertical one causes reduction in the seepage farce acting on the tunnel face. |
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| Ű¿öµå |
| Face stability;Seepage force;Steel pipe-reinforced multistep grouting; |
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Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.19, no.4, 2003³â, pp.121-131
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311921886503)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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