Research Project Keywords

3

3D imaging (4)
3D modeling (1)
3D models (3)
3D photogrammetry (1)
3D point clouds (1)
3D visualization (2)

4

4C-TempandStress (1)

5

5DPM (2)
5DPM implementation (1)

A

A-wall design (1)
A1010 bridge steel (1)
A1010 steel girders (1)
AASHTO (3)
AASHTO HL-93 load requirements (1)
AASHTOWare Pavement ME Design (1)
Abaqus software (1)
abatement (1)
ABC alternatives (2)
ABC connections (4)
abutment caps (1)
abutment piling (1)
abutments (6)
accelerated bridge construction (1)
accelerated construction (16)
accelerometers (1)
access management (14)
accessibility (1)
accident location and analysis (4)
accident loss reduction factors (1)
acquisition barriers (1)
acquisition obstacles (1)
acquisition process (1)
active traffic management (1)
adaptive control system (1)
additives/stabilizers (1)
aerial photogrammetry (1)
aggregate (9)
aggregate blend (1)
aggregate gradation (1)
aggregate grayscale (1)
aggregate material (2)
aggregate roads (6)
aggregate stabilization (3)
aggregate stabilizing agents (2)
aggregate testing (2)
aggressive driving (1)
aging mechanisms (1)
agricultural traffic (1)
agricultural traffic routes (1)
air entraining agent (1)
air pollution control (1)
air quality (1)
air traffic volume (1)
air void analysis (2)
air void analyzer (1)
airport charges (1)
airport economics (1)
airport infrastructure (2)
airport operations (3)
airport revenues (1)
airport service facilities (1)
airport traffic volume (1)
Alaska (1)
alcohol (1)
alcohol-related crashes (1)
algorithm evaluation (1)
alignment (1)
alkalai-silica reaction (1)
all-season surfaces (1)
all-weather pavement markings (1)
alternative fuel (1)
Amish Sawmill Bridge (1)
analysis tools (2)
anchor pin placement (1)
ANN (2)
approximation modeling (1)
APWA (1)
arc routing problem (1)
artificial intelligence (1)
artificial neural networks (2)
as-built survey (1)
aspalt pavement recycling (1)
aspalt pavements (1)
asphalt additives (1)
asphalt air voids (1)
asphalt binders (6)
asphalt cement concrete (13)
asphalt concrete (1)
asphalt density (1)
asphalt emulsions (1)
asphalt mixture compaction (1)
asphalt mixture design (1)
asphalt mixture evaluation (3)
asphalt mixtures (1)
asphalt pavement (7)
asphalt pavement condition (1)
asphalt pavement performance (1)
asphalt pavement preservation (1)
asphalt pavement rehabilitation (1)
asphalt pavement repairs (1)
asphalt roofing shingles (2)
asphalt rubber (1)
asphalt wearing surface (1)
asphalt-rubber (AR) (1)
assessment software (1)
asset condition index (1)
asset management (34)
asset management tool (1)
at-grade crossings (1)
at-grade intersections (1)
Aurora (1)
automated (9)
automated eco-driving (1)
automated enforcement (3)
automated manufacturing (1)
automatic vehicle location (AVL) (4)
autonomous process control (1)
autonomous vehicles (1)
axle weight limits (1)

b

backfill compaction (1)
backfill materials (1)
backwalls (1)
barrier rail construction (1)
base characteristics (2)
basket anchoring methods (1)
bat roosting sites (1)
battery electric vehicles (1)
battery health management (1)
battery systems (1)
battery-powered vehicles (1)
beam end corrosion (1)
beam end retrofits (1)
beam-end coatings (1)
beam-end corrosion (1)
BECAS (1)
benefit assessment (1)
berm (1)
best practices (3)
bicycle (1)
big data analytics (1)
bilevel optimization modeling (2)
binder rheology (1)
binders (1)
bio-based polymers (3)
bio-fuel waste binders (1)
bio-oil (2)
bio-oil binders (1)
biobased fog seal (1)
biocement utilization (3)
biodiesel (2)
biofuel (1)
biofuel co-product (2)
biogrout (2)
biorenewable (1)
bituminous roads (1)
Black Hawk County (1)
Black Hawk County, Iowa (1)
blended cement (1)
bolt tightening (1)
Boone County (1)
box beam joints (1)
box girder bridges (2)
bridge (3)
bridge abutment bump (1)
bridge abutment piles (1)
bridge approach (9)
bridge approach guardrails (1)
bridge assessment (3)
bridge barrier rails (2)
bridge cap connections (1)
bridge capacities (2)
bridge closure countermeasures (1)
bridge components (1)
bridge condition (5)
bridge connections (2)
bridge construction (5)
bridge construction costs (3)
bridge cost estimation (1)
bridge damage detection (1)
bridge deck joints (1)
bridge deck overlays (4)
bridge deck placement (1)
bridge deck rehabililation (1)
bridge decks (16)
bridge deep foundations (4)
bridge design (13)
bridge design costs (1)
bridge design details (1)
bridge design estimates (1)
bridge design evaluation (1)
bridge design guidance (1)
bridge design methods (1)
bridge design specifications (1)
bridge deterioration (1)
bridge element inspection (1)
bridge elements (1)
bridge engineering costs (1)
bridge evaluation (3)
bridge expanison joints (1)
bridge field testing (1)
bridge foundations (3)
bridge girder rotation (1)
bridge girders (1)
bridge information models (1)
bridge infrastructure (1)
bridge inspection (5)
bridge inspection planning (1)
bridge instrumentation (3)
bridge joint cracks (1)
bridge joint details (2)
bridge load ratings (1)
bridge loads (4)
bridge maintenance (7)
bridge management system (9)
bridge material costs (1)
bridge monitoring (2)
bridge movement (2)
bridge piers (3)
bridge pile capacity (1)
bridge pile foundations (2)
bridge pile stability (1)
bridge piles (4)
bridge preservation (2)
bridge rating (3)
bridge reconstruction (1)
bridge rehabilitation (2)
bridge renewal (1)
bridge repair (2)
bridge ride quality (1)
bridge safety (2)
bridge service life (4)
bridge specifications (1)
bridge speed limits (1)
bridge structures (2)
bridge substructure (2)
bridge substructure protection (1)
bridge substructure replacement (1)
bridge superstructure (5)
bridge transverse deck cracks (1)
bridge truss verticals (1)
bridge vulnerabilities (1)
bridge X-frames (1)
bridge-pavement interface (1)
bridges (34)
brine rates (1)
Buchanan County Bridge (3)
business (2)
business vitality (2)
bypass (2)

C

CAD (2)
calibration (1)
calibration factors (2)
calorimetry (2)
cantilever test (1)
capital improvement (1)
CAPWAP (1)
carbon footprint reduction (2)
carbonate aggregates (1)
carrier size (1)
case-based reasoning (1)
cast-in-place components (1)
cast-on-site bridges (1)
casting cement asphalt mixture (1)
CDL fraud (1)
cement hydration (1)
cement soil stabilization (1)
cement stabilization (1)
cementitious content (1)
cementitious materials (2)
centerline markings (1)
channels (1)
charging stations (1)
chemical stabilization (1)
child restraint (1)
chip seals (4)
chloride ingress (1)
chloride ion penetration (1)
chloride penetration testing (1)
chloride-contaminated runoff (1)
chute spreader (1)
City of Ames, Iowa (1)
city planning (1)
clear zone (2)
climate change (1)
climate resilience (1)
closure rating formula (1)
CM/GC issues (1)
CMF (1)
CMGC project delivery (1)
CMR (1)
coal fly ash (1)
coarse aggregate (1)
coarse-graded mixes (1)
cohesion (1)
cohesive soils (2)
cold in-place recycling (2)
collaboration (1)
collisions (1)
Columbia, Missouri (1)
combined gradation (1)
commercial drivers licensing (1)
commercial motor carriers (1)
commercial vehicle operations (CVO) (14)
commercial vehicle safety (2)
commercial vehicles (13)
communication (5)
communications equipment (1)
community traffic (1)
commute (2)
commuter routes (1)
compacted fill (1)
compactibility (1)
compaction (5)
compaction forecasting (1)
Compaction Forecasting Expert Database (1)
compaction moisture control (1)
compaction monitoring (11)
company drivers (1)
complex project management (3)
complex projects (1)
complexity identification (1)
complexity measurement (1)
composite deck-girder system (1)
composite pavement (1)
composite prefabricated decks (1)
compressive strength (2)
computational simulation (1)
computer vision (2)
computer-aided (4)
conceptual estimates (1)
concrete (20)
concrete beam ends (1)
concrete bridge barriers (2)
concrete bridge decks (2)
concrete bridges (4)
concrete crack repair (1)
concrete damage (1)
concrete durability (1)
concrete joint deterioration (1)
concrete joint maintenance (1)
concrete joint restoration (1)
concrete mix design (10)
concrete mixtures (11)
concrete moisture (1)
concrete overlay (3)
concrete pavement (2)
concrete pavement condition (2)
concrete pavement cracking (1)
concrete pavement curling (1)
concrete pavement durability (1)
concrete pavement patches (2)
concrete pavement specifications (1)
concrete pavement thickness (1)
concrete pavement warping (1)
concrete pavements (21)
concrete performance (1)
concrete repair (1)
concrete sealing (1)
concrete shrinkage (1)
concrete shrinkage control (1)
concrete shrinkage reduction (1)
concrete strength (1)
concrete sustainability (1)
concrete temperature (1)
concrete thermal damage (2)
concrete water tightness (1)
concrete workability (2)
ConcreteWorks (2)
condition assessment (1)
condition index (1)
condition monitoring (2)
condition performance measure (1)
conflict warning systems (1)
congestion (5)
connection details (1)
connection testing (1)
conspicuity (1)
construction (25)
construction contracting (1)
construction cost index (1)
construction data (1)
construction engineer (1)
construction management (8)
construction manager-at-risk (1)
construction materials and methods / asset management (8)
construction noise (1)
construction practices (1)
construction project planning (1)
construction safety (1)
continuing education (1)
continuity connectios (1)
continuous deck (1)
continuous monitoring system (1)
continuous span design (1)
contracts and project management (2)
control chart (1)
controller area network bus (1)
corridor (2)
corridor management (4)
corrosion (1)
corrosion quantification (1)
corrosion resistance (1)
corrosion sensors (1)
cost assessment (1)
cost comparison (1)
cost estimates (1)
cost estimating (2)
cost-benefit analysis (2)
cost-effective bridge life (1)
cost/benefit analysis (4)
Council Bluffs, Iowa (1)
countermeasures (7)
county engineer (2)
county road (3)
covered bridge (3)
crack and seat (1)
crack detection (1)
crack filling (1)
crack sealing (1)
crack-relief interlayer (1)
cracking (9)
crash analysis (24)
crash cushions (1)
crash data (29)
crash data analysis (3)
crash injury severity (1)
crash location (22)
crash mitigation (52)
crash modification factors (2)
crash prediction model (2)
crash risk factors (1)
crash scene dynamics (1)
crash severity mitigation (3)
crash surrogate (1)
creep (1)
critical habitats (1)
cross-hole sonic logging (1)
cross-over countermeasures (1)
crossing consolidation (1)
crossing signs (1)
crosswalk (1)
crushed rock (1)
culvert load ratings (1)
culverts (1)
curling (1)
curve delineation (1)
curve safety (1)
curve speed safety (2)
curve speed warnings (1)
curved girder bridges (2)
CWIMS (1)
cyclic load tests (1)

D

D-cracking (3)
daily work report (1)
damage (3)
damage detection algorithm (2)
damage predictions (1)
damage prevention (1)
damage-detection methodology (1)
DARWin-ME (1)
data (24)
data analysis (9)
data collection (10)
data collection framework (1)
data collection technologies (1)
data fusion (1)
data integration (2)
data mining (1)
data modeling (2)
data requirements (1)
data sharing (1)
data-driven performance metric (1)
database (8)
Davenport (2)
debris mitigation (1)
decision support (5)
decision support system (1)
decision support tools (2)
decision-making (5)
decision-making tools (1)
deck connections (1)
deck crack mitigation (1)
deck overlay performance (1)
deck panels (1)
deck service life (1)
deck wearing surfaces (1)
deer-vehicle (3)
deflection (1)
degree of saturation (1)
deicer (1)
deicer scaling (1)
deicer scaling resistance (2)
deicing (3)
deicing PCC (1)
deicing salt resistance (1)
demonstration project (1)
density (1)
deployment plan (1)
Des Moines Lobe landform (1)
Des Moines, Iowa (1)
design (17)
design contracts (1)
design factors (1)
design guidance (1)
design guide (1)
design guidelines (3)
design-build contracts (2)
deterioration (4)
deterioration predictions (1)
deterioration prevention (1)
detours (1)
dewatering system (1)
diaphragms (1)
dielectric mood (1)
diesel (1)
differential speed limits (1)
digital databases (1)
digital elevation model (1)
direct cost (1)
disabled (1)
disadvantage business enterprises (1)
disaster relief (1)
discharge regression equations (1)
discrete-event simulation model (1)
dispatching (1)
distracted driving (1)
distress (5)
distributed framework (1)
distribution (1)
DOT (1)
DOT project management (1)
DOT vehicle fleets (1)
dowel bar (5)
dowel bar alignment (1)
dowel baskets (2)
drainage (9)
drainage basins (1)
drainage design guide (1)
drilled shaft foundations (1)
drilled shaft load tests (1)
drilled shafts (3)
driven bridge piles (1)
driver age (2)
driver behavior (13)
driver braking behavior (1)
driver education (2)
driver safety (1)
driver training (1)
driver visibility (1)
driving environment (1)
driving performance (5)
driving simulator (4)
drop-off charges (1)
dry cast (1)
dual-lane axle spacing (1)
dual-lane load (1)
Dubuque County (1)
durability (5)
dust control (1)
dust pallatives (1)
dynamic advisory messaging (1)
dynamic analysis (1)
dynamic bridge loads (1)
dynamic impact factors (1)
dynamic load allowance (2)
dynamic model (1)
dynamic signs (3)

e

early-age behavior (1)
early-age deck cracks (1)
early-age random cracks (1)
early-age thermal loading (1)
earth pressure cells (1)
earth retaining walls (1)
earth retention systems (1)
earthwork (1)
earthwork construction (7)
earthwork quality (1)
earthworks (6)
earthworks construction (1)
economic (14)
economic analysis (15)
economic development (4)
economic impact (1)
economy (4)
edge drop-off (3)
edge-rut mitigation (1)
edgeline markings (1)
education (1)
elderly (4)
elderly drivers (5)
electric vehicles (1)
electrical vehicle systems (1)
electrochemical fatigue sensor (1)
electromagnetic induction (1)
electronic credentials (5)
electronic database (4)
electronic document management (1)
electronic signs (1)
elliptical steel dowel (1)
emabankment construction (1)
embankment construction (2)
embankment soils (2)
embankments (7)
embedded steel corrosion (1)
emergency (1)
emergency management (1)
emergency response (2)
eminent domain (1)
emission (2)
emissions (5)
emulsion rheology (1)
emulsion viscosity (1)
end bearing (1)
endangered bat species (1)
energy (2)
energy effieciency (1)
energy harvesting (1)
enforcement (10)
engine efficiency (1)
engineering analysis (1)
engineering estimates (1)
engineering management (1)
engineering resilience (1)
engineering services (1)
enhanced signs (1)
entrained air void system (1)
environment (6)
environmental impact (3)
EPA MOVES (1)
equipment fleets (2)
equipment lifecycle optimization (1)
equipment maintenance cost (1)
erosion (1)
essential air services (1)
essential services (1)
estimating methodologies (1)
estimating model (1)
evaluation and assessment (1)
excavation technology (1)
Excel spreadsheet (1)
Excel worksheets (1)
expansion joint design (1)
expansion joint replacement (3)
expansion joints (3)
expected sign life (1)
experiential learning (2)
exploratory visual analytics (1)
expressway (6)
extended deck life (1)
exterior bridge girders (1)
extreme events (1)
extreme rainfall (1)

f

factors for success (1)
failure to yield (1)
failure-critical joints (1)
falling weight deflectometer (5)
false-indication rate (1)
farm equipment (1)
farm-to-market roads (1)
fast pyrolysis (1)
fatigue cracking (5)
fatigue load testing (1)
feasibility study (1)
fiber composites (1)
fiber optic systems (2)
field data collection (1)
field performance (4)
field performance tests (1)
field safety audit (2)
field testing (2)
field testing methods (1)
file conversion (1)
financial model (1)
financial sustatinability (1)
finger plate designs (1)
finite element analysis (1)
finite element model (2)
firm size (2)
fixed object cushions (1)
fixed object setback (1)
fleet composition (1)
fleet management (1)
fleet operations (5)
flexible pavements (3)
flexural capacity (2)
flood damage (2)
flood estimation (1)
flood mitigation (1)
flood planning (3)
flood protection (1)
flooded backfill (1)
flow of goods (1)
flowability (1)
fly ash (9)
FMCSA safety initiative (1)
fog seal performance (1)
fog seals (1)
folded plate girders (1)
food distribution (2)
football game travel (1)
forested wetland mitigation (1)
foundation stabilization (2)
foundations (1)
fractionation methods (1)
freeway interchanges (1)
freeway merge/diverge (1)
freeway operations (1)
freeway ramps (1)
freeway traffic sensosrs (1)
freeze-thaw (5)
freeze-thaw condition (1)
freeze-thaw damage mitigation (3)
freeze-thaw deterioration (2)
freeze-thaw durability (2)
freeze-thaw performance (1)
freight (13)
freight analysis framework (1)
freight industry forecasts (1)
freight movement (4)
freight transportation (3)
friction (1)
friction coefficients (2)
frost boil mitigation (1)
frost heave (3)
FRP materials (5)
fuel (2)
fuel consumption (2)
fuel economy (1)
full-depth reclamation (2)
full-depth reclamation with cement (1)
fund allocations (1)
FWD (2)

g

galvanized steel bridge (1)
gantry cranes (1)
geo-materials (1)
geo-materials stabilization (1)
geo-spatial (1)
geocell reinforcement (1)
geographic information system (GIS) (33)
geographic information systems (1)
geogrid (1)
geomaterial applications (1)
geopolymer-based UHPC (1)
geostatistics (4)
geosynthetic (3)
geosynthetic reinforcement (2)
geosynthetic-reinforced soil (2)
geosynthetic-reinforced soil abutments (1)
geotechnical (2)
geotechnical asset management (1)
geotechnical risks (1)
geotechnical solutions (2)
geotechnical treatments (1)
giant magnetoresistance sensor (1)
gland installation (1)
glass beads (1)
global positioning system (GPS) (3)
glued-laminated (2)
glued-laminated timber (2)
glulam girder bridges (1)
grading projects (1)
graduated licensing (1)
grain (1)
granular backfill (1)
granular-surfaced roads (1)
gravel road safety (1)
gravel road stabilization (1)
gravel roads (5)
gravel shoulders (1)
gravimetric method (1)
green concrete (1)
green strength (1)
ground improvement (5)
ground transportation (1)
ground transportation subsidy (1)
ground versus air subsidy (1)
ground-penetrating radar (3)
groundwater monitoring wells (1)
groundwater system impacts (1)
groundwater table (1)
grouted coupler connections (1)
GRS abutments (3)
GRS-IBS (1)
gyratory compaction (1)

h

hardened cement paste (1)
haul-truck cycle time (1)
headway (1)
health care (2)
heat capacity (1)
heat signature (2)
heavy truck safety (1)
HEC-RAS models (1)
high friction surfaces (1)
high performance (1)
high risk locations (1)
high wind closures (2)
high wind events (1)
high-performance concrete (3)
high-performance mortar (2)
high-speed pavement analyzer (1)
high-speed rural intersections (1)
high-speed traffic gaps (1)
high-speed video (1)
high-strength bolts (1)
high-strength concrete (2)
highway (4)
highway bypass (1)
highway construction (1)
highway construction contracts (2)
highway construction impacts (1)
highway construction risk (1)
highway design (3)
highway incident mangagement (2)
highway infrastructure (2)
highway maintenance (2)
highway maintenance activities (2)
highway mobility models (1)
highway noise (2)
highway pavements (1)
highway planning (1)
highway safety (4)
Highway Safety Manual (2)
highway traffic conditions (1)
Highways for LIFE (1)
HIPERPAV (1)
Hispanic (1)
hispanic workforce integration (4)
historic preservation (3)
historical data mining (1)
HMA mix stability (1)
horizontal curve safety (2)
horizontal curves (4)
horizontal displacement (1)
hot mix asphalt (14)
human factors (1)
husbandry implements (1)
hybrid bus (1)
hybrid concrete (1)
hybrid delivery systems (1)
hybrid traffic detection (1)
hybrid vehicles (1)
hydropower facility concrete (1)

I

I-235 (1)
I-380 (1)
I-girder (1)
IA Highway 28 (1)
IA Highway 9 (1)
ICPA (1)
IDIQ contracts (1)
IDIQ framework (1)
ignition interlock devices (1)
illuminance (1)
image analysis (1)
image verification (1)
image-based crack detection (1)
image-based data collection (1)
impact echo (1)
impact frequency (1)
implements of husbandry (2)
in situ characterization (13)
in situ testing (29)
in-place pavement recycling (1)
in-situ testing (1)
incident location tool (12)
indirect cost (1)
information technology (11)
infrastructure (8)
infrastructure decision tree (1)
infrastructure degradation (1)
infrastructure vulnerabilities (3)
initial concrete set (1)
initial cost-benefit (1)
initial set (1)
inland water transportation (1)
inner-city planning (2)
innovative bridge construction (2)
innovative contracting (1)
innovative project delivery (1)
innovative technologies (10)
INRIX data (1)
inspection (1)
inspection standards (1)
inspection strategies (1)
inspector's daily report (1)
installation practices (1)
instantaneous camber (1)
institutional barriers (3)
insurance (1)
integral abutment (5)
integrated bridge systems (1)
integration (1)
intelligent compaction (13)
intelligent transportation systems (ITS) (17)
interbus transfer (2)
intercity ground service (1)
intercity traffic volume (1)
intermodal (5)
intermodal facilities (2)
intermodal freight (2)
internally cured concrete (3)
internship program (2)
intersection conflict analysis (4)
intersection conflict warning (2)
intersection geometry (1)
intersection lighting (1)
intersection safety (7)
intersection skew angle (1)
intersections (18)
interstate (4)
interstate safety (1)
inventory management (1)
investment (8)
investment plans (1)
Iowa (50)
Iowa agricultural economy (1)
Iowa bridge monitoring (2)
Iowa CHSP (2)
Iowa DOT (1)
Iowa DOT pavements (1)
Iowa Falls bridge (1)
Iowa highway safety (2)
Iowa highways (1)
Iowa law (3)
Iowa pavements database (1)
Iowa pore index (1)
Iowa pore index test (1)
Iowa public employees (1)
Iowa public works (1)
Iowa road work (1)
Iowa soils (1)

J

J-turn (2)
J-turn design (1)
JET Filter drains (1)
job-site communications (1)
job-site traffic control (1)
Johnson County (2)
Johnson County, Iowa (1)
joint deterioration (2)
joint repair (2)
joint replacement (1)
joint seal termination (1)
joint spacing (1)
jointed concrete pavement (3)
joints (2)

K

Kadyn's Law (1)
Kansas (2)
Kansas City (1)
Keg Creek Bridge (2)

l

labor force (1)
laboratory compaction testing (2)
laboratory testing (4)
land use (3)
lane change (1)
lane closures (1)
lane conversion (3)
lane departure (4)
lane departure countermeasures (1)
lane drop signing (1)
lane reconfiguration (1)
lane-departure countermeasures (1)
lane-departure crash mitigation (1)
language barriers (1)
large commercial trucks (1)
laser scanning (6)
lateral earth pressure (1)
lateral live load distribution (1)
lateral pressure (1)
law enforcement (1)
leadership academy (1)
leadership institute (1)
LED signs (1)
Lee County, Iowa (1)
left turn phases (2)
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p

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S

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t

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U

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v

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Vissim modeling (1)
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vulnerability (1)

w

waffle deck (1)
Wapello County Bridge (1)
Wapello County Iowa (1)
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Washington County, Iowa (1)
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WEAP (1)
weather (21)
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West Des Moines, Iowa (1)
wet night visibility (1)
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X

X-frame design (1)
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z

zero-velocity spreader (1)