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ASTM C150

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Mix Design<br />

Concrete<br />

Concrete specifications are generally based on<br />

one or more of the following:<br />

1. Mixture proportions designed and controlled by the<br />

owner<br />

2. Minimum cement content, max. water/cement ratio,<br />

and range of slump are specified<br />

3. Concrete strength specified @ 28 days

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