Test methods for determining the properties of fly ash and of fly ash for use in building materials

The texts presented hereunder are drafts which are submitted for comment, particularly relating to the reference material in section 7.2.2 and 7.4.1. The final recommendations will be drawn up by the committee with respect to the possible comments that should be sent to the Chairman of the committee: Professor Dr.-Ing. K. Wesche, Institute of Building Research, Aachen University of Technology, Schinkelstr. 3, D-5100 Aachen, Germany, before December 31, 1989.