When all the wideslab units are in place and lined up, the joints between the units are to be grouted with either a 3:1 sand / cement mix or C30 concrete with 10mm aggregate. Hollowcore - Teesside ...
Instituto de Recursos Naturales y Agrobiología de Sevilla (IRNAS-CSIC), Reina Mercedes 10, Seville E-41012, Spain ...