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BRAE433 - Chapter1a

BRAE433 - Chapter1a - Chapter 1 Water cement ratio Bags of...

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1 Chapter 1 Water cement ratio B f t Bags of cement Aggregates Modulus of elasticity Compressive strength versus tensile strength Codes that apply to concrete Stress strain curves Basic bending equations (concrete only) Concrete • Water to Cement Ratio Water to Cement Ratio – 0.4 (min), 0.55, 0.7 Tradeoff of strength vs. workability Bags of cement (94lb bags ) – 5 sack mix – 6 sack mix – 7 sack mix
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