Term
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Definition
| Measures Binder properties at high temps |
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Term
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Definition
| Measures binder properties at high intermediate temps |
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Term
| Bending Beam Rheometer test |
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Definition
| Measures Binder properties at low temps |
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Term
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Definition
| Simulate binder aging (harding) characteristics |
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Term
| Asphalt binder batching tolerance |
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Definition
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Term
| List the sieve side that identify the 5 superpave mix designs |
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Definition
| 9.5, 12.5, 19, 25, and 37.5mm |
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Term
| Bulk specific gravity equation |
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Definition
A/(B-C)
A: mass of dry specimen
B: mass of saturated surface
C: Mass of specimen in water |
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Term
| Specific gravity equation |
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Definition
A/(A+D-E)
A: Mass of dry sample
D: Mass of flask
E: Mass of flask + sample |
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Term
Percentage density
Air void ratio |
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Definition
[(Bulk specific gravity) / (specific gravity)]100
100 - % density |
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Term
Superpave - Series:
A. 50
B. 60
C. 70
D. 80 |
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Definition
A. Highways, 4 cores a day
B. 4 cores total
C. Mainline on low volume roads, density gauge
D. Miscellaneous repairs |
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Term
| Pavement issues that can be treated with cold recycling |
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Definition
| Raveling, Potholes, Bleeding, Rutting, Corrugation, Shoving, Fatigue, longitudinal/ transverse thermal cracking, Reflective cracking, swells, bumps, sags, and depressions |
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Term
DOT Spec section 304
4 types
4 Physical attributes |
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Definition
Subbase Types 1, 2, 3, 4
Physical Attributes: Gradation, Soundness, Plasticity Index, Elogated Particles |
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Term
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Definition
| made of concrete brick or solid load-bearing concrete-masonry units laid in mortar |
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Term
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Definition
| Consists of hollow units bearing all laid and set in mortar. two or more units are used to make the wall |
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Term
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Definition
| Used for walls in high wind areas |
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Term
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Definition
| Stretcher (long), Header (short), Solder (tall) |
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Term
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Definition
| Concave, Raked & Tooled, Flush joint |
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Term
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Definition
(1) The course or courses of masonry units reinforced with longitudinal bars and designed to take the longitudinal flexural and tension forces that may be induced in a masonry wall.
(2) A horizontal grouted element within masonry in which reinforcement is embedded |
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Term
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Definition
| Mixture of cementitious material and aggregate to which sufficient water is added to produce desired placing consisting without segregation of the constituents; or the hardened equivalent of such mixtures. |
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Term
| Two inspections of high-strength bolting |
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Definition
1. Bearing- type connections
2. Slip-critical connections |
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Term
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Definition
| Metal rod, wire or strap that secures masonry to its structural support |
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Term
Nominal dimension of masonry block
Actual dimension |
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Definition
(4 or 6 or 8)in x 8in x (8 or 16)in
ie. 4 x 6 x 8 is really 3 5/8 x 7 5/8 x 7 5/8 |
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Term
| Thickness of mortar joint |
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Definition
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Term
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Definition
Grade SW - severe weathering: used where high resistance to damage caused by cyclic freezing is needed
Grade MW - Moderate weathering: moderate resistance to cyclic freezing |
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Term
| Three types of facing brick |
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Definition
FBS (Facing Brick Standard): general use
FBX: general use where a higher degree of precision and lower allowable variation in size is required
FBA (Architectural Brick): produces characteristic architectural effects |
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Term
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Definition
(C) 0 - 1.50% in steel
0.23% composition
Increases strength, hardness, brittleness
Decreases ductility
Low C Steel: 0.06 - 0.30%
Medium C Steel: 0.30 - 0.50%
High C Steel: 0.50 - 0.80% |
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Term
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Definition
(SI)
0.40% max composition
< 0.30% very little effect
> 0.30% increase strength without lost of ductility |
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Term
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Definition
(SUL)
0.045% composition
Makes steel brittle when worked in red heat "red shortness" max 0.05% |
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Term
| Phosphorus effects on steel |
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Definition
(PHOS)
0.035% composition
causes brittleness at normal temperatures "cold shortened" max 0.06% |
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Term
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Definition
(MA)
0.50 - 1.60% composition
General beneficial to steel range 0.85 - 1.35 |
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Term
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Definition
Butt Joint
Corner Joint
T-Joint
Lap Joint |
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Term
| Compressive strength of masonry units |
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Definition
M - 2500 psi
S - 1800 psi
N - 750 psi
O - 350 psi |
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Term
| Limitations of the liquid penetrant testing |
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Definition
Access required for surface decontaminating and cleaning
Discontinuity must be surface-connected and open
shallow scratches/ smearing |
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Term
| Limits of Magnetic partile testing |
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Definition
Requires clean and relatively smooth surface
~ 3/8" below surface |
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Term
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Definition
Assess to one side and liquid coupling to object
Small/ thin parts are difficult to inspect |
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Term
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Definition
| One-side access if autoradiography; two if external source |
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Term
| Limits of Eddy Current testing |
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Definition
| No contact but close proximity of probe to surface |
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Term
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Definition
Snug - Tightened joints
Pretensioned joints
Turn - of - nuts pretensioning
Calibrated wrench pretension
Twist - off - type Tension-Control bold pretensioning
Direct - Tension - Indicator Pretensioning
Slip - Critical Joints |
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Term
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Definition
Binder
Aggregate
Mineral Filler |
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Term
| Consensus Aggregate Properties |
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Definition
| Coarse, Fine, Flat and elogated particles, Clay |
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