Question 1

Post-tensioning

Accepted Answer

A method of prestressing concrete by tensioning steel reinforcement after the concrete has set.

Question 2

Pre-tensioning

Accepted Answer

A method of prestressing concrete by tensioning steel reinforcement before placing the concrete.

Question 3

Bar splice

Accepted Answer

A mechanical connection used to transfer tension and compression forces between two reinforcing bars.

Question 4

Lap splice

Accepted Answer

A connection between two reinforcing bars where they overlap and are secured together.

Question 5

Shear reinforcement

Accepted Answer

Reinforcement designed to resist shear forces in a concrete member.

Question 6

Column tie

Accepted Answer

A closed loop of reinforcing bar used to confine the longitudinal reinforcement in a column.

Question 7

Seismic detailing

Accepted Answer

The design and installation of reinforcement to resist earthquake-induced forces.

Question 8

Slip critical connection

Accepted Answer

A bolted connection designed to resist movement between connected parts due to friction.

Question 9

Stirrup

Accepted Answer

A bent reinforcing bar used to resist shear forces in a beam or column.

Question 10

Reinforcement cover

Accepted Answer

The distance between the surface of the reinforcing bar and the surface of the concrete.

Question 11

Development length

Accepted Answer

The length of reinforcement required to develop its full tensile strength in a concrete member.

Question 12

Column longitudinal reinforcement

Accepted Answer

Vertical reinforcing bars in a column designed to resist axial loads and bending.

Question 13

Coupler

Accepted Answer

A mechanical device used to join two reinforcing bars end-to-end.

Question 14

Dowel

Accepted Answer

A reinforcing bar that extends from one concrete element to another, providing a mechanical connection.

Question 15

Epoxy-coated reinforcement

Accepted Answer

Reinforcing bars coated with epoxy to provide corrosion resistance.

Question 16

Grout

Accepted Answer

A mixture of cement, water, and sand used to fill gaps or bond masonry units together.

Question 17

Shear stud

Accepted Answer

A steel element welded to a structural steel member to transfer shear forces between the member and the concrete it supports.

Question 18

Anchor bolt

Accepted Answer

A steel bolt embedded in concrete and used to attach structural steel or other members.

Question 19

Bearing plate

Accepted Answer

A steel plate used to distribute the load from a structural member to the concrete below.

Question 20

Welded wire reinforcement (WWR)

Accepted Answer

A prefabricated reinforcement grid made of welded steel wires.

Question 21

Tensile strength

Accepted Answer

The maximum stress that a material can withstand while being stretched or pulled.

Question 22

Yield strength

Accepted Answer

The stress at which a material begins to deform plastically.

Question 23

Compression strength

Accepted Answer

The ability of a material to withstand compressive forces.

Question 24

Stress-strain curve

Accepted Answer

A graphical representation of the relationship between stress and strain for a material.

Question 25

Elastic modulus

Accepted Answer

A measure of a material's ability to deform elastically when subjected to stress.

Question 26

Plastic deformation

Accepted Answer

The permanent deformation of a material after the removal of the applied stress.

Question 27

Creep

Accepted Answer

The slow and continuous deformation of a material under sustained load.

Question 28

Shrinkage

Accepted Answer

The decrease in volume of a material, such as concrete, due to moisture loss.

Question 29

Thermal expansion

Accepted Answer

The increase in volume of a material due to a temperature increase.

Question 30

Bond strength

Accepted Answer

The force required to pull a reinforcing bar out of the surrounding concrete.

Question 31

Crack control

Accepted Answer

Techniques used to minimize cracking in concrete structures.

Question 32

Fatigue

Accepted Answer

The weakening of a material due to repeated loading and unloading.

Question 33

Moment capacity

Accepted Answer

The ability of a structural member to resist bending.

Question 34

Shear capacity

Accepted Answer

The ability of a structural member to resist shear forces.

Question 35

Load factor

Accepted Answer

A factor applied to the loads in a structure to account for uncertainties and variations.

Question 36

Safety factor

Accepted Answer

A factor applied to the capacity of a structural member to account for uncertainties and variations.

Question 37

Concrete mix design

Accepted Answer

The process of selecting the appropriate proportions of cement, water, aggregate, and admixtures for a concrete mix.

Question 38

Slump test

Accepted Answer

A test used to measure

Question 39

Slump test

Accepted Answer

A test used to measure the consistency and workability of fresh concrete.

Question 40

Rebar bending schedule

Accepted Answer

A detailed list of the reinforcing bars in a structure, including their sizes, lengths, and shapes.

Question 41

Rebar cage

Accepted Answer

A prefabricated assembly of reinforcing bars, often used for columns or beams.

Question 42

Rebar chair

Accepted Answer

A support used to maintain the proper elevation and position of reinforcing bars in a concrete placement.

Question 43

Rebar tier

Accepted Answer

A tool used to fasten reinforcing bars together using wire or other materials.

Question 44

Rebar cutting and bending machine

Accepted Answer

A machine used to cut and bend reinforcing bars to the required shapes and dimensions.

Question 45

Precast concrete

Accepted Answer

Concrete elements that are cast and cured in a controlled environment and then transported to the construction site.

Question 46

Cast-in-place concrete

Accepted Answer

Concrete that is poured and cured directly at the construction site.

Question 47

Reinforced concrete column

Accepted Answer

A vertical structural member consisting of concrete and reinforcing bars designed to resist axial and bending loads.

Question 48

Reinforced concrete beam

Accepted Answer

A horizontal structural member consisting of concrete and reinforcing bars designed to resist bending and shear forces.

Question 49

Reinforced concrete slab

Accepted Answer

A flat, horizontal structural element consisting of concrete and reinforcing bars designed to resist bending and shear forces.

Question 50

Reinforced concrete footing

Accepted Answer

A structural element used to distribute the load from a column or wall to the supporting soil.

Question 51

Reinforced concrete retaining wall

Accepted Answer

A vertical structure designed to retain soil, water, or other materials.

Question 52

Reinforced concrete diaphragm

Accepted Answer

A horizontal or sloping structural element designed to transfer loads between vertical elements.

Question 53

Reinforced concrete pile

Accepted Answer

A deep foundation element consisting of a reinforced concrete shaft driven into the ground to support loads.

Question 54

Reinforced concrete pier

Accepted Answer

A vertical structural element used to support a bridge or other elevated structure.

Question 55

Reinforced concrete shear wall

Accepted Answer

A vertical structural element designed to resist lateral loads, such as wind or seismic forces.

Question 56

Reinforced concrete mat foundation

Accepted Answer

A large, thick reinforced concrete slab used to distribute loads from multiple columns or walls.

Question 57

Reinforced concrete bridge deck

Accepted Answer

The horizontal surface of a bridge that supports traffic and transfers loads to the supporting structure.

Question 58

Reinforced concrete tunnel lining

Accepted Answer

The interior surface of a tunnel, consisting of concrete and reinforcing bars designed to resist ground and water pressure.

Question 59

Reinforced concrete culvert

Accepted Answer

A structure that allows water to flow under a road, railroad, or other transportation corridor.

Question 60

Reinforced concrete dam

Accepted Answer

A large structure designed to retain water and create a reservoir for flood control, water supply, or power generation.

Question 61

Reinforced concrete dome

Accepted Answer

A curved, thin-shell structure consisting of concrete and reinforcing bars designed to span large areas.

Question 62

Reinforced concrete shell

Accepted Answer

A thin, curved structural element consisting of concrete and reinforcing bars designed to resist loads through its shape.

Question 63

Reinforced concrete arch

Accepted Answer

A curved structural element consisting of concrete and reinforcing bars designed to span an opening and support loads.

Question 64

Reinforced concrete truss

Accepted Answer

A structural element consisting of a series of interconnected triangles, with concrete and reinforcing bars used to resist axial forces.

Red Seal Exam Ironworker (Reinforcing) Flashcards