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CIVE 302 Midterm Version A
Terms in this set (32)
Type cement large mass of concrete made and concern about the temperature?
Increase strength w/out affecting slump. Should increase, decrease, or hold constant water after water reducing admixture is added?
Admixture to promote concrete durability under freeze thaw conditions?
Supplementary cementitious material
fly ash, silica fume
Name reaction between portland cement and water?
Bi- product of the reaction between portalnd cement and water?
Admixture to help concrete gain strength more quickly?
Does fly ash slow down or speed up rate of strength gain of portalnd cement mix?
slow it down
Main source of Deteriotation in reinforced concrete?
corrosion of reinforcement
Curing procedures for concrete make sure there is adequate___ and ____ for the concrete to gain strength
heat and moisture
How does increasing the w/c ration affect the strength of hardened concrete?
Aggregates for use in asphalt concrete mixutes must be
Damage that cold temps do to asphalt pavements?
Aggregates for use in portalnd cement concrete mixtures must be...
What size sieve serves as divider between coarse and fine aggregate?
Target percent air content for Superpave asphalt?
Name for a liquid asphalt made by suspending very small particles of asphalt in water?
What type of deformation involves stretchig of atomic bonds?
Effect of cold work on yield strength of metal?
Effect on strength of steel alloy after adding carbon?
What type of crystal defect facilitates plastic deformation?
A molten metal that is cooled very rapidly will have a _____ grain structure
Type of corrosion that affects aluminum?
Alternative to basic steel reinforcing bars that is intended to prevent or limit corrosion?
Frp, epoxy coated
If design is sensitive to deflections, is steel or aluminum preferred?
Two advantages of steel for construction?
high strength, recyclable, uniformity
Modulus of elasticity is a measure of ...
3 reasons that ductility is good
warnining failure, redistribution of load, energy dissipation
Situation when steel might fail brittly?
Type of failure occurs when metal is loaded repeately at stress levels well below its yield strength
How to calculate the modulus of toughness?
Whole are under curve
Advantage of performance based specifications
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