Concrete
Non-structural cracks are the result of
Internal stresses
Which of the following is the result of an external moment that tends to twist the member about its longitudinal axis?
Axial Force
Bending moment
shear force
torsional force
Sonic waves that produce stress waves to help indicate decay in timber members
What is spectral analysis?
Location to check for vertical deflection and misalignment in flexible culverts
What are joints and seams?
Abutment type that has the supersturcture and substructure acting as one unit, eliminating the expansion joint
What is an integral abutment?
Concrete decks are to be checked over supports for cracks, spalls, and
Crushing
Which type of deck has reinforced concrete that is composite with a street grid deck?
Exodermic deck
Requires access to both sides of steel members to examine the internal structure of steel for cracks or voids.
What is radiography testing
Waterway element defined as the entire cross-section underneath the bridge
What is the waterway area?
Movement of the substructure that is caused by excessive horizontal earth pressure; also know as sliding
What is lateral movement
Deteriorated and corroded stay-in-place forms often indicate
Contamination of concrete decks
Which of the following is considered a common 'appraisal' rating item?
Traffic safety features
NDE method for concrete that is based on monitoring the surface motion
What is impact-echo testing?
Daily Double!
Ruff
Just like your mother likes it
Pier type that is used when limited vertical clearance is available
What is a column pier?
Delamination of FRP decks is to be checked near supports using
Tap testing
Which steel shape is most commonly used in concrete to provide tensile strength?
Bars
Type of redundancy that has three or more elements mechanically fastened together
What is internal redundancey?
A sonic testing device is used to detect
Decay
High stress zone where cantilevered pier caps or the bottom of the abutment stern are located
Where are the flexural zones?
What color is green?
Green
Stiffeners help curved multi-girder web members resist what forces?
Shear and torsion
Fabrication method usually used for a concrete deck girder
What is cast-in-place?
Which method detects deficiencies through the use of slow stress wave travel times
Spectral analysis
Colors that end in "urple"
Purple