Engineering & Materials Science
Asset management
100%

Reinforcement learning
63%

Decision making
59%

Life cycle
55%

Artificial intelligence
51%

Deterioration
49%

Inspection
43%

Service life
43%

Railroad tracks
39%

Uncertainty
34%

Machine learning
33%

Decision theory
32%

Fatigue testing
32%

Asphalt mixtures
31%

Alarm systems
30%

Planning
28%

Optical fibers
28%

Fiber optics
28%

Markov processes
26%

Monitoring
25%

Rails
23%

Acoustics
22%

Wheels
21%

Corrosion
20%

Health
20%

Steel
15%

Statistical methods
15%

Repair
14%

Fatigue of materials
14%

Testing
14%

Fiber optic sensors
13%

Risk assessment
13%

Costs
13%

Multiobjective optimization
12%

Acoustic emissions
12%

Pavements
9%

Railroad engineering
9%

Structural dynamics
8%

Deep learning
8%

Operating costs
6%

Environmental engineering
6%

Linear programming
6%

Soil moisture
6%

Topography
5%

Earth & Environmental Sciences
pavement
77%

fatigue
57%

cement (construction material)
42%

railroad
41%

grout
33%

project
28%

quarry
27%

machine learning
27%

stiffness
26%

durability
26%

fly ash
25%

transportation infrastructure
24%

friction
21%

cost
20%

sulfur
20%

road
19%

void
19%

sensor
18%

calibration
18%

emulsion
18%

flight
17%

in situ
16%

subgrade
16%

speed
14%

program
14%

monitoring
14%

traffic
13%

rheology
12%

adsorption
12%

need
11%

loss
9%

hardware
8%

instrumentation
8%

tortuosity
8%

road traffic
8%

test
8%

drainage water
7%

carrying capacity
7%

railway
7%

texture
6%

fouling
6%

mineralogy
6%

demand
6%

train
6%

new technology
6%

inspection
6%

index
6%

software
5%

soil
5%

evaluation
5%

water
5%

laboratory
5%

viscosity
5%

plastic
5%

industry
5%

Physics & Astronomy
T shape
43%

sealers
40%

bulbs
39%

pavements
38%

wrap
36%

carbon fiber reinforced plastics
36%

service life
35%

performance
34%

compressive strength
31%

costs
27%

numerical analysis
25%

adhesion
23%

mechanical properties
18%

polymers
15%

silanes
14%

epoxy resins
14%

durability
14%

integrity
14%

strands
14%

residual strength
14%

molecular structure
14%

microfibers
13%

monomers
12%

flexibility
12%

sheds
12%

chemistry
11%

modulus of elasticity
10%

cracks
10%

ingredients
10%

irregularities
9%

reinforcement
9%

formulations
9%

life (durability)
9%

cycles
9%

industries
8%

water
7%

linings
7%

steels
7%

silicon
7%

breakdown
7%

shrinkage
6%

optimization
6%

evaluation
6%

fabrication
6%

geometry
5%

fibers
5%