Water

Water - Mixing Water for Concrete Mixing Water for Concrete...

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Mixing Water for Concrete
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Mixing Water for Concrete
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Concrete Typical Water Analyses, ppm Chemicals City water Seawater Silica (SiO 2 ) 0 to 25 Iron (Fe) 0 to 0.2 Calcium (Ca) 1 to 100 50 to 480 Magnesium (Mg) 0 to 30 260 to 1410 Sodium (Na) 1 to 225 2190 to 12,200 Potassium (K) 0 to 20 70 to 550 Bicarbonate (HCO 3 ) 4 to 550 Sulfate (SO 4 ) 2 to 125 580 to 2810 Chloride (Cl) 1 to 300 3960 to
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Mixing Water for Concrete Atomic Absorption Spectrophotomet er
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Mixing Water for Concrete Acceptance Criteria for Questionable Water Supplies Limits Test method Compressive strength, minimum percentage of control at 7 days 90 ASTM C 109 or AASHTO T 106 Time of set, deviation from control, hr:min. from 1:00 earlier to 1:30 later ASTM C 191 T 131 ASTM C 94 or AASHTO M 157
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Chemical Limits for Mixing Water Chemical or type of construction Concentratio
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Water - Mixing Water for Concrete Mixing Water for Concrete...

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