806MINERAL ADMIXTURES

681

Mineral Filler AASHTO M 17 Hydrated Lime ASTM C 207, Type N. Calcium Chloride AASHTO M 144, TypeS or L Sewer Brick AASHTO M 91, GradeS.M. or M.M. Building Brick (Clay or Shale) ASTM C 62, GradeS.W. or M.W. Concrete Brick (Manholes, etc) ASTM C 55, Type 11, GradeS Concrete Brick (Buildings) ASTM C 55, Type 1, Grade N-I or N-II Concrete Block (Hollow Load Bearing) ASTM C 90, Grade N, Type I or II

805.02Mineral Filler for Hot Mix Asphalt

These minerals shall consist of finely divided mineral matter such as crusher fines, rock dust, slag dust, hydrated lime, hydraulic cement, Portland cement, loess or Class "F" fly ash meeting the requirements of AASHTO M 17. Any lime based product shall meet the requirements of AASHTO M 303. MINERAL ADMIXTURES

806.01Mineral Admixtures

The Department has established a list of Mineral Admixtures For Use In Portland Cement Concrete. These products can be found on List I-3 of the Department’s "Materials, Sources, and Devices With Special Acceptance Requirements" Manual. Refer to Subarticle 106.01(f) and ALDOT-355 concerning this list.

Fly ash shall consist of the finely divided residue or ash that remains after burning finely pulverized coal at high temperatures and shall meet the requirements of AASHTO M 295.

Microsilica for use as a mineral admixture in Portland cement concrete shall meet the requirements of AASHTO M 307.

Ground granulated blast furnace slag for use as a mineral admixture in Portland cement concrete shall meet the requirements of AASHTO M 302, Grade 100 or 120. The total cementitious material (the ground granulated blast furnace slag and the cement) shall meet the total alkali content requirement in Article 815.07. Additional requirements are given in Section 501. If ground granulated blast furnace slag is used as a mineral admixture in soil-cement stabilization, the ground granulated blast furnace slag shall meet the requirements of AASHTO M 302, Grade 100 or 120, and the content shall be 50 % of the weight {mass} of the total cementitious material. WATER

807.01Water for Cement Concrete

excess of the following limits: Acidity or alkalinity calculated in terms of calcium carbonate 500 mg/L AASHTO T 26 Total organic solids 500 mg/L AASHTO T 26 Total inorganic solids 500 mg/L AASHTO T 26 ChlorideIon Concentration 250 mg/L AASHTO T 26 SulfateIon Concentration 250 mg/L AASHTO T 26 pH Min. 6.0, Max. 8.0 ASTM D 1293

soundness, time of setting, and mortar strength tests with standard Ottawa sand, using the same cement of standard quality with each water. Any indication of unsoundness, marked change in time of setting,