Term
| Material specifications must have |
|
Definition
a. a measurable quantity
b. required inspection |
|
|
Term
|
Definition
a. tensile
b. compressive
c. shear |
|
|
Term
| General responses to stress |
|
Definition
a. ductile
b. malleable
c. brittle |
|
|
Term
| Specific responses to stress |
|
Definition
a. elastic
b. plastic
c. viscoelastic
d. creep |
|
|
Term
|
Definition
| % of strength that will cause failure with repeated loading |
|
|
Term
|
Definition
| Area under curve from 0 to breaking |
|
|
Term
| Modulus of resilience (R) |
|
Definition
| Area under curve from 0 to elastic limit |
|
|
Term
| Aggregate Characteristics |
|
Definition
a. random shape
b. rock origin
c. sorted / processed |
|
|
Term
|
Definition
a. roads
b. leveling
c. railroads
d. coatings
e. filter media |
|
|
Term
|
Definition
a. 14mil tons of aggregate
b. largest US concrete structure
c. Columbia River basin
d. 6.5mil kW of power |
|
|
Term
| Coarse aggregate is above the |
|
Definition
|
|
Term
| Fine aggregate is between the |
|
Definition
|
|
Term
|
Definition
a. bank gravel b. crushed gravel
c. crushed stone d. crushed rock
e. blast furnace slag |
|
|
Term
| Natural Aggregate Sources |
|
Definition
a. bedrock b. breakage
c. transported d. deposit
e. streams f. glacial till |
|
|
Term
|
Definition
a. igneous
b. sedimentary
c. metamorphic |
|
|
Term
|
Definition
|
|
Term
| Sedimentary rock definition |
|
Definition
| from pressure & cementing |
|
|
Term
| Metamorphic rock definition |
|
Definition
| new texture, structure, and mineral composition |
|
|
Term
|
Definition
a. granite b. gabbro
c. basalt d. pumice
e. scoria |
|
|
Term
| Sedimentary rock types (3) |
|
Definition
a. quartzite
b. limestone
c. sandstone |
|
|
Term
| Metamorphic rock types (3) |
|
Definition
a. marble
b. slate
c. schist |
|
|
Term
| Aggregate creation process |
|
Definition
a. excavate
b. crush
c. size
d. blend |
|
|
Term
|
Definition
a. underwater
b. land source |
|
|
Term
|
Definition
a. clean, dry, stable foundation
b. good drainage
c. separate by size
d. minimize traffic
e. good stockpiles = good gradations |
|
|
Term
| Source Aggregate Properties (4) |
|
Definition
a. toughness
b. soundness
c. deleterious materials
d. gradation |
|
|
Term
| Deleterious Materials (5) |
|
Definition
a. vegetation b. shale
c. soft particles d. clay lumps
e. excess dust |
|
|
Term
|
Definition
a. measurable properties
b. statistically defensible
c. prescribed tests |
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|
