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Çѱ¹Áö¹Ý°øÇÐȸ / v.14, no.4, 1998³â, pp.17-32
3Â÷¿ø Àý´ë³»°øº¯À§¸¦ ÀÌ¿ëÇÑ ÅͳΠ¸·ÀåÀü¹æÀÇ Áö¹Ý¸éÈ­ ¿¹Ãø±â¹ý
( Prediction of Ground-Condition Ahead of the Tunnel Face by Using 3-Dimensional Absolute Displacements )
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has been much progress in theories and construction techniques to secure the stability of the underground structures. Recently, several studios have shown that it is possible to predict the existence of discontinuities ahead of a tunnel face by analyzing 3-dimensional absolute displacements measured during tunnel excavation. This paper concentrated on the development of a methodology to predict the existence and location of the discontinuities, or the void space(abandoned mine) , by performing 3-dimensional FEM analysis and considering the stress relocation caused by arching effect during excavation. Also, this study tried to verify deformation for choosing the most suitable support system. The results of this study might provide a way of safer and economical tunnel construction by utilizing the in-situ monitoring data.
 
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Prediction;3-D imensional absolute displacement;3-D imensional FEM analysis;Arching effect;Ground-condition;Tunnel;
 
Çѱ¹Áö¹Ý°øÇÐȸÁö:Áö¹Ý / v.14, no.4, 1998³â, pp.17-32
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-215X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199811920448206)
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