Kang, H. B., Kim, K. J., Park, S. K. and Kim, J. R. (2008). “A study on the relation
between dynamic deflection modulus and in-situ CBR using a portable FWD.” Journal
of the Korea institute for structural maintenance and inspection, Korea Institute
for Structural Maintenance and Inspection, Vol. 12, No. 2, pp. 149-155 (in Korean).Kang,
H. B., Kim, K. J., Park, S. K. and Kim, J. R. (2008). “A study on the relation between
dynamic deflection modulus and in-situ CBR using a portable FWD.” Journal of the Korea
institute for structural maintenance and inspection, Korea Institute for Structural
Maintenance and Inspection, Vol. 12, No. 2, pp. 149-155 (in Korean).