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02030Supplementary Cementitious Materials

OR · 2024 Standard SpecificationsBook pages 11241124View official source ↗

02030.00 1058 Section 02030 - Supplementary Cementitious Materials

Description

02030.00Scope - 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.

02030.01Abbreviations :

SCM - Supplementary Cementitious Materials

Materials

02030.10Fly Ash - Furnish Class C and Class F fly ash from the QPL and conforming to

AASHTO M 295 ( ASTM C618).

02030.15Natural Pozzolans - Furnish Class N natural pozzolans from the QPL and conforming to

AASHTO M 295 (ASTM C618).

02030.20Silica 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.

02030.40Ground Granulated Blast Furnace Slag (GGBFS) - Furnish GGBFS from the QPL and

conforming to AASHTO M 302.

02030.50High Reactivity Pozzolans - Furnish high-reactivity pozzolans from the QPL and

conforming to AASHTO M 321.

02030.60Blended - Furnish blended GGBFS and Fly Ash from the QPL

Source: Oregon Standard Specifications for Construction, 2024 Edition. Pages 11241124 of 1,268.