midterm Questions and Correct
Answers.
Orthotropic Deck - Answer Which type of deck uses flat, thin, steel plates stiffened with
closely spaced longitudinal steel ribs and a wearing surface?
Delamination - Answer What concrete deficiency is caused by corroded rebar or severe
overstress and cannot be visually identified?
Bearing - Answer What part of the bridge permits longitudinal expansion and contraction?
Bridge Condition - Answer Deck, culvert, bridge bearings, and channel are examples of what
SNBI data items?
Scour Vulnerability - Answer What is an example of appraisal data item?
Flexure and Shear - Answer What are the two main types of structural cracks in concrete?
Bridge Management Elements (BME) - Answer Expansion joints, wearing surfaces, and
approach slabs are examples of:
Above an intermediate support - Answer Flexure cracks in the top of a concrete deck would
most likely be found in what area?
Physical - Answer What is the primary method for determining steel remaining section or
section loss?
Masonry - Answer A bridge material that is split and spalled is what material?
Crushing - Answer Concrete decks are to be checked over supports for cracks, spalls, and:
Steel - Answer ______ decks are found on many older bridges and movable bridges.
Timber - Answer _______ decks use glue or nail laminated connections to transmit loads to
the superstructure.
, Concrete - Answer ________ decks are the most common type of deck due to variable
shapes, sizes, and construction methods.
Timber - Answer What bridge deck material is desirable for its resistance to decaying agents?
Timber - Answer What bridge deck material can withstand relatively large loads over a short
period of time?
Monolithic - Answer a member that has been cast as one unit, without joints or seams.
PS deck panels with CIP topping - Answer What type of concrete deck has panels that are
cast offsite but do not include a wearing surface when installed?
Precast conventionally reinforced - Answer What type of concrete deck has panels cast and
cured offsite and reinforced with mild steel?
Tensile and shear - Answer What kinds of forces does steel resist?
Primary reinforcement - Answer Provides tensile and shear strength in a concrete deck
Secondary reinforcement - Answer Used for temperature and shrinkage in a concrete deck
Primary - Answer _______ reinforcement is placed transversely across the deck
Secondary - Answer ________ reinforcement is placed parallel with beams and stringers
Positive Moment Tension - Answer _______ ________ _______ is in between beams at the
bottom of the deck.
Negative Moment Tension - Answer ______ ________ _______ is above beams at the top of
the deck.
Steel decks - Answer This type of deck includes orthotropic and grid decks.
Orthotropic decks - Answer Flat, thin steel plate stiffened with closely spaced longitudinal
steel ribs and wearing surface is applied on top of the steel plate.