CR 13902:2000

In prEN 206-1, Concrete - Performance, production and conformity, there is a statement, in clause 5.2.2.2 Cement content and water/cement ratio, that if required, water/cement ratio may be determined by an agreed test method. This Technical Report reviews the test methods which are available for this purpose.
Before proceeding further, it is important to consider the definition of relevant terms in pr EN 206-1 and the possible constituents of cement listed in pr EN 197-1, Composition, specifications and conformity criteria for common cements.