TY JOUR TI Thin-wall retaining structure operation with reinforced soil backfill using fly ash KW retaining structures KW reinforced soil KW geosynthetic material KW fibre reinforcement KW fly ash KW transportation load JO Smart composite in construction AU Burgonutdinov, A.M. AU Istomina, K.R. PY 2022 IS 3 PB Yaroslavl State Technical University