Discussion of “Experimental Study on the Performance of Approach Slabs under Deteriorating Soil Washout Conditions” by Yung-Tsang Chen and Y. H. Chai

Carlos Zanuy and Luis Albajar Assistant Professor, Dept. of Continuum Mechanics and Structures, Escuela Tecnica Superior de Ingenieros de Caminos, Canales y Puertos, Univ. Politecnica de Madrid, Calle del Profesor Aranguren S/N, 28040 Madrid, Spain (corresponding author). E-mail: czs@caminos.upm.es Associate Professor, Dept. of Continuum Mechanics and Structures, Escuela Tecnica Superior de Ingenieros de Caminos, Canales y Puertos, Univ. Politecnica de Madrid, Calle del Profesor Aranguren S/N, 28040 Madrid, Spain.