02030.00 1058 Section 02030 - Supplementary Cementitious Materials Description
02030.00 Scope - This Section includes the requirements for fly ash, natural pozzolans, silica fume,
ground granulated blast furnace slag and high-reactivity pozzolans used in portland cement concrete.
02030.01 Abbreviations :
SCM - Supplementary Cementitious Materials Materials
02030.10 Fly Ash - Furnish Class C and Class F fly ash from the QPL and conforming to
AASHTO M 295 ( ASTM C618).
02030.15 Natural Pozzolans - Furnish Class N natural pozzolans from the QPL and conforming to
AASHTO M 295 (ASTM C618).
02030.20 Silica Fume - Furnish silica fume from the QPL and according to the following:
a.Types - Provide the silica fume as a slurry containing silica fume, water, and a high range water reducer, or as a densified powder. The silica fume portion sh all conform to AASHTO M 307. Total alkalis, as equivalent Sodium Oxide (Na 2O), shall be 1.5 percent maximum.
b.Acceptance - Silica fume will be accepted for immediate use if accompanied by a test results certificate according to 00165.35. If the sili ca fume is supplied as a slurry, the certificate shall indicate the silica fume content of the slurry as a percent by weight. If the silica fume is supplied as a densified powder, do not allow the packaging to enter the concrete mixture.
02030.40 Ground Granulated Blast Furnace Slag (GGBFS) - Furnish GGBFS from the QPL and
conforming to AASHTO M 302.
02030.50 High Reactivity Pozzolans - Furnish high-reactivity pozzolans from the QPL and
conforming to AASHTO M 321.
02030.60 Blended - Furnish blended GGBFS and Fly Ash from the QPL.
Supplementary Cementitious Materials in other states
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Source: Oregon Standard Specifications for Construction, 2024 Edition. Pages 1124–1124 of 1,268. View official source ↗