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Çѱ¹Áö¹Ý°øÇÐȸ / v.22, no.8, 2006³â, pp.107-118
Åõ¼ö ¹× ÀÌ¿ÏÇÏÁß ÆÄ¾ÇÀ» À§ÇÑ ÅͳΠ¶óÀÌ´×ÀÇ Àΰø½Å°æ¸Á ¿ªÇؼ®
( Tunnel-lining Back Analysis Based on Artificial Neural Network for Characterizing Seepage and Rock Mass Load )
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Among a variety of influencing components, time-variant seepage and long-term underground motion are important to understand the abnormal behavior of tunnels. Excessiveness of these two components could be the direct cause of severe damage on tunnels, however, it is not easy to quantify the effect of these on the behavior of tunnels. These parameters can be estimated by using inverse methods once the appropriate relationship between inputs and results is clarified. Various inverse methods or parameter estimation techniques such as artificial neural network and least square method can be used depending on the characteristics of given problems. Numerical analyses, experiments, or monitoring results are frequently used to prepare a set of inputs and results to establish the back analysis models. In this study, a back analysis method has been developed to estimate geotechnically hard-to-known parameters such as permeability of tunnel filter, underground water table, long-term rock mass load, size of damaged zone associated with seepage and long-term underground motion. The artificial neural network technique is adopted and the numerical models developed in the first part are used to prepare a set of data for learning process. Tunnel behavior, especially the displacements of the lining, has been exclusively investigated for the back analysis.
 
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Artificial neural network;Long-term behavior;Rock mass load;Seepage;Tunnel-lining;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.22, no.8, 2006³â, pp.107-118
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200634741580862)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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