SECTION 215—HYDRAULIC CEMENT CONCRETE ADMIXTURES
215.01 Description
These specifications cover materials that are chemical or organic elements that may be added to a hydrau- lic cement concrete mixture, when permitted elsewhere in these specifications, to achieve some desired effect.
215.02 Materials
a.Air-entraining admixtures shall conform to AASHTO M154.
b.Water-reducing and retarding admixtures shall conform to AASHTO M194, T ype D, and shall be free from water-soluble chlorides. The Department will not permit the use of water-reducing and retarding admixtures that have not been tested for compatibility with the brand, type, source, and quantity of cement proposed for use until tests have been performed in accordance with VTM-16 and the test results verify conformance to the requirements of Table I therein.
c.Water-reducing admixtures shall conform to AASHTO M194, T ype A, and shall be free from water-soluble chlorides.
d.Accelerating admixtures shall conform to AASHTO M194, T ype C or T ype E.
e.High-range water-reducing and high-range water-reducing and retarding admixtures shall conform to AASHTO M194, T ype F or T ype G, and shall be free from water-soluble chlorides.
f.Calcium chloride shall conform to AASHTO M144, T ype 2.
g.Pozzolan shall conform to Section 241. 215.02
Referenced in this section
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Source: Road and Bridge Specifications, 2020 Edition. Pages 221–221 of 1,065. View official source ↗