Chang, S. H., Choi, S. W., Kwon, J. W, KIm, S. H. and Bae, G. J. (2007) Alteration
of mechanical properties of tunnel structural members after a tunnel fire accident.,
Tunnelling Technoloqy, KTA, Vol. 9, No. 2, pp. 157-169 (in Korean).Chang, S. H., Choi,
S. W., Kwon, J. W, KIm, S. H. and Bae, G. J. (2007) Alteration of mechanical properties
of tunnel structural members after a tunnel fire accident., Tunnelling Technoloqy,
KTA, Vol. 9, No. 2, pp. 157-169 (in Korean).