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Çѱ¹Áö¹Ý°øÇÐȸ / v.21, no.3, 2005³â, pp.87-98
ħÅõ·ÂÀÌ ÅͳÎÀÇ Áö¹Ý¹ÝÀÀ°î¼±¿¡ ¹ÌÄ¡´Â ¿µÇâ
( The Effect of Seepage Forces on the Ground Reaction Curve of Tunnel )
À̼®¿ø;Á¤Á¾¿ø;³²¼®¿ì;ÀÌÀθð; °Ç±¹´ëÇб³ »çȸȯ°æ½Ã½ºÅÛ°øÇаú;°í·Á´ëÇб³ »çȸȯ°æ½Ã½ºÅÛ°øÇкÎ;Purdue University;°í·Á´ëÇб³ »çȸȯ°æ½Ã½ºÅÛ°øÇкÎ;
 
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When a tunnel is excavated below groundwater table, the groundwater flows into the excavated wall of tunnel and seepage forces are acting on the tunnel wall. The ground reaction curve is defined as the relationship between internal pressure and radial displacement of tunnel wall. Therefore, the ground reaction curve is significantly affected by seepage forces. In this study, the theoretical solutions of ground reaction curves were derived for both the dry condition and the seepage forces. The theoretical solutions derived were validated by numerical analysis. The ground reaction curves with the support characteristic curve were also analyzed in various conditions of groundwater table. Finally, the theoretical solutions of the ground reaction curve derived in this study can be utilized easily to determine the appropriate time of support systems, the stiffness of support system and so forth for the reasonable design.
 
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Convergence-confinement;Ground reaction curve;Internal pressure;Seepage forces;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.21, no.3, 2005³â, pp.87-98
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200520828086538)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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