1001.01 PORTLAND CEMENT. Use portland cement from the
Approved Materials List and comply with AASHTO M 85. Alkali content calculated as sodium oxide equivalent shall not exceed 0.60 percent by weight.
1001.02 BLENDED HYDRAULIC CEMENT. Use blended hydraulic
cement Type IP, Type IS, or Type IL from the Approved Materials List and comply with AASHTO M 240. The alkali content of blended hydraulic cement calculated as sodium oxide equivalent shall not exceed 0.60 percent by weight. Type IP may contain up to 30 percent by weight of fly ash or up to 30 percent by weight of bottom ash, provided that the bottom ash is interground with the cement clinker. Fly ash and bottom ash shall comply with AASHTO M 295, Class C or F. Type IS cement may contain up to 50 percent by weight of ground granulated blast-furnace slag. Grade 100 and Grade 120 ground granulated blast-furnace slag (slag cement) shall comply with AASHTO M 302. Type IL portland limestone cement shall not be treated as blended cement for purposes of cement material substitution with fly ash and slag.
1001.03 MASONRY CEMENT AND MORTAR CEMENT. Comply
with ASTM C91 for masonry cement. Comply with ASTM C1329 for mortar cement. Mix mortar cement in accordance with ASTM C270 or use pre-blended dry mortar cement complying with ASTM C1714 and mix according to the manufacturers recommendations.
1001.04 FLY ASH AND NATURAL POZZOLANS. Use fly ash from
the Approved Materials List. Comply with AASHTO M 295 for Class C and Class F. Comply with ASTM C618 for Class N. Alkali content calculated in accordance with DOTD TR 531 shall not exceed 2.5 percent by weight. Fly ash and natural pozzolans with alkali contents greater than 1.5 percent may only be used with innocuous (non-reactive) aggregates.
1001.05 Ground Granulated Blast-Furnace Slag
(SLAG CEMENT). Use Grade 100 or Grade 120 ground granulated blast-furnace slag from the Approved Materials List and comply with AASHTO M 302.
1001.06 MICROSILICA (SILICA FUME). Use microsilica (silica
fume) from the Approved Materials List and comply with AASHTO M 307.
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