or a variation of more than 10 percent in strength from results obtained with mixtures containing the distilled water shall be sufficient cause for rejection of the water under test.
c.Water from city water supplies may be accepted without being tested.
d.Water used in curing cement concrete or mortar shall be free from salt or other substance which may be injurious to concrete.
807.02 Water for General Purposes.
This water shall be suitable for the purpose intended and free from substances harmful to the particular work involved.
807.03 Water for Lime Stabilization work.
Water shall be from an approved source, free from any substance which might be harmful to the work, and the total inorganic solids shall not exceed 0.20 percent. AIR ENTRAINING ADDITIVES
808.01 Air Entraining Admixtures.
a.General. Air entraining admixtures for Portland cement concrete shall comply with AASHTO M 154. These additives shall not contain chloride added during its manufacture. Air entraining admixtures already approved for use may not be required to meet performance tests; however, new agents not already approved, if deemed necessary, will be required to meet the comparative strength and non-bleeding provisions of AASHTO M 154 modified to require only 3, 7, and 28 day flexural and compressive tests.
b.Acceptance of Material for Use. The Department has established a list of Chemical Admixtures For Use In Portland Cement Concrete. These products can be found on List II-1 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. SECTION 809 CHEMICAL ADMIXTURES FOR CONCRETE
809.01 Chemical Admixtures for Concrete.
a.General. Chemical admixtures for concrete shall comply with the requirements of AASHTO M 194 within the following limitations: These admixtures shall not contain calcium chloride or sugars added during its manufacture. The dosage of each type additive will be included in the concrete design mix issued from the Bureau of Materials and Tests. When an air entraining admixture is used with a water reducer and/or retarder, both admixtures must be manufactured by the same producer.
b.Admixture Types. Type A Water-reducing admixtures Type B Retarding admixtures Type C Accelerating admixtures Type D Water-reducing and retarding admixtures Type E Water-reducing and accelerating admixtures Type F Water-reducing, high range admixtures Type G Water-reducing, high range, and retarding admixtures
c.Acceptance of Material for Use. The Department has established a list of Chemical Admixtures For Use In Portland Cement Concrete. These products can be found on List II-1 of the Department’s "Materials, Sources, and Devices
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Source: 2026 Standard Specifications for Highway Construction, 2026 Edition. Pages 690–690 of 826. View official source ↗