Span correct answers Term meaning the longest distance of space without support needed under it
Romans correct answers Who is credited with the founding or developing of the first concrete using volcanic ash
Form giving correct answers Term inferring that concrete can take many shapes
Clea...
COSC 253 Final || with 100% Correct Answers.
Span correct answers Term meaning the longest distance of space without support needed under
it
Romans correct answers Who is credited with the founding or developing of the first concrete
using volcanic ash
Form giving correct answers Term inferring that concrete can take many shapes
Clear Concrete correct answers Translucent concrete developed by Hungarian architect Aron
Losonczi, glass fibers are added to the traditional makeup to enable light to shine through the
material
Division 3 correct answers Which division is concrete under the CSI?
Specifications correct answers Written details of how to construct the building
What type of portland cement, location of engineered slabs
Reinforced Concrete correct answers The term used when steel is embedded in the concrete
Heat of Hydration correct answers When concrete cures, it gives off heat and forms bonds that
hold the aggregate together
Coarse Aggregate correct answers Large pieces of aggregate used in concrete, such as gravel
Steel correct answers _______ ads tensile strength to the concrete
Compression correct answers Concrete is strong in __________
Tension correct answers Steel is strong in __________
American Society for Testing and Materials correct answers Organization that establishes
standard specifications for commonly used materials of construction
ASTM C150 correct answers Most common type of portland cement
Engineered Cementitious Concrete correct answers Concrete that flexes, bends, earthquake and
tornado resistant
Air entraining concrete correct answers Used in specialized areas such as freeze/frost cycle
climates
Type 1 correct answers Portland cement types:
Used when special properties aren't required
Sidewalk applications
,Type 2 correct answers Portland cement types:
Moderate heat of hydration
Used specifically in frost/freeze cycle climates
Type 3 correct answers Portland cement types:
High early strength
Used in industrial and time crunch applications
Type 4 correct answers Portland cement types:
Low heat of hydration
Used in hot climates
Type 5 correct answers Portland cement types:
Sulfate resistant
Used when high sulfate resistance is required in soil proximities, when needing resistance to
corrosion, chlorines, and acids
5/8" correct answers What is the diameter of a #5 bar in inches?
Grade Beam correct answers Rectangular pieces to be placed under the SOG, engineered slabs to
provide structural support
Grade correct answers Leveled earth surface, tilled dirt that is ready to build on
Vapor Barrier (Moisture barrier) correct answers Prevents water from penetrating the slabs
Stirrup correct answers Tie together the structural steel inside a grade beam or concrete slab
Chemical Admixtures correct answers The ingredients in concrete other than Portland Cement,
water, and aggregate that are added to the mix immediately before or during mixing
Give special properties to the cured concrete itself
Water reducing admixtures correct answers Admixtures:
Reduce water concrete
Lower water-cement ratio
Higher strength concrete
Retarding Admixtures correct answers Admixtures:
Slow the heat of hydration
Keep concrete workable
Used when pouring in hot environments
Accelerating Admixtures correct answers Admixtures:
Increases the heat of hydration
Early strength
, Reduce the time of curing
Used when needing to speed up work schedules
Superplasticizers correct answers Admixtures:
Flowing concrete
Highly fluid
Can be placed in 30-60 minutes with little vibration
Used to increase viscosity, place concrete deep in structural systems
Corrosion Inhibiting admixtures correct answers Admixtures:
Corrosion inhibitors
Used in marine facilities, highway bridges, parking garages
Precast Concrete correct answers Term meaning that concrete is formed and cured in a factory,
transported to the construction site, and erected as rigid components
Site cast (cast in place) correct answers Term meaning that concrete is formed and poured on the
construction site, the concrete mixture must be transported to the site or mixed at the site
(requires formwork)
Formwork correct answers The mold that we create to hold concrete as it cures
Form liner correct answers Agents inside the form that coat the interior of the form in order to
easily remove the form after the curing process is finished
Insulating Concrete Forms correct answers Units that form the concrete formwork and then
remain in place permanently as thermal insulation
Slab on grade correct answers A level surface of concrete that lies directly on the ground
Sustainable formwork correct answers Formwork that can be reused after a job
Overlapping rebar correct answers #5 bar with 30 bar overlap
5/8" * 30 = 18.75" overlap
Deformations correct answers patterns on rebar giving more surface area to bond better with the
concrete that it is supporting (diamond shape/spiraling)
Letter of mill, bar size, type of steel, grade of steel correct answers Grading stamped on steel
rebar, top to bottom
Anchor bolt correct answers Fasteners embedded in the concrete to attach the frame of a
structure back to once construction begins
90 degree angles correct answers Where are vulnerable areas in concrete?
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