Active Standard: C1157 / C1157M - 11
Test method C187 is required in Standard C1157 to fine the normal consistency used in the determination of VICAT set time by Test method C191 (see Table 1 and section 9.5 of C 1157). It has been observed that hydraulic cements not based on portland cement can require a longer mixing time to become uniform than the 2 min. 15 sec. mandated in test method C187. This work item is intended to establish appropriate mix time extension when conducting C187 and add to section 9.5 of C1157 a statement allowing for the extension of C187 mix time as an alternative test condition to comply with Standard C1157.
Keywordsblended hydraulic cement; hydraulic cement; performance; Granular blast furnace; Hydraulic cement concrete--specifications; Performance--building materials/applications (specifications); Pozzolans--specifications; Silica fume--specifications; Slag;
Draft Under Development