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| ultimate stress value for steel |
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points of stress-strain graoh
Fracture |
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Definition
| Where the specimen breaks |
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points of stress-strain graph
Yield |
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Definition
| first peak before recession; last place a specimen will bend and return to original shape |
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major points of stress-strain graph
Ultimate stress |
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Definition
| final peak/highest point on graph were specimen is receiving highest load before fracture |
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Stress strain equations
(2) |
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| Modulus of Elasticity equation |
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wood strengths
Which is stronger, perpendicular or parallel to grain? |
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Concrete
4 main components |
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Definition
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types of concrete
Type II |
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Definition
| Moderate Sulfate resistance |
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types of concrete
Type III |
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types of concrete
Type IV |
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W/C means?
How it affects concrete |
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Definition
Water to cement ratio
less water, stronger concrete less workable
more water, weaker concrete more workable |
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Term
purpose of air in concrete
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Definition
| Freeze thaw cycle, creates air pockets where moisture can expand when it freezes and doesnt crack the concrete. durability |
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