02010.20 1055 Section 02010 - Portland Cement Description
02010.00 Scope - This Section includes the requirements for portland cement and blended hydraulic
cement. Materials
02010.10 Portland Cement :
a.Types - Furnish one or another of the following types as elected: • Type I • Type II • Type III Do not mix or alternately use differing brands or types of cement, or the same brand or type of cement from different mills without prior written approval.
b.Specifications - Portland cement shall conform to the requirements of AASHTO M 85 or ASTM C150 for low alkal i cement except as follows: • Cement shall have a total alkali content (sodium and potassium oxide calculated as Na 2O + 0.658 K2O) not exceeding 0.60 percent. • All cement types shall contain a maximum of 8 percent tricalcium aluminate (C3A). • The time- of-setting tests will be by either the Gillmore test or the Vicat test. • Types I and II maximum fineness (specific surface) as determined by AASHTO T 153 air permeability test shall be 430 m2/kg. If C 3S + 4.75 C3A is less than or equal to 90, the fineness criteri a does not apply.
c.Acceptance - Portland cement shall be from the QPL.
02010.20 Blended Hydraulic Cement - Blended hydraulic cement shall be either Type IS-portland
blast -furnac e slag cement, Type IP-portland-pozzolan cement , Type IL-portland-limestone cement, or Type IT-ternary blended cement according to AASHTO M 240. Furnish blended hydraulic cement from the QPL.
Portland Cement in other states
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Source: Oregon Standard Specifications for Construction, 2024 Edition. Pages 1121–1121 of 1,268. View official source ↗