Currently C1090 is an SI only units standard. Historically (in 1996) it was inch - pound units only. It is felt that many users of the standard are reliant on historic inch pound equipment, so it is proposed to make this a dual units standard where both sets of units can be used independently.
Keywordsgrout; height change; hydraulic cement; nonshrink grout; Change in height; Cylindrical concrete specimens; Grouts; Vertical cylindrical molds;
Ballot Item Approved as C1090/C1090M-2015 and Pending Publication