Engineering
Railway
100%
Infrastructure
47%
Measurement
35%
Renewals
27%
Economics
24%
Service Life
21%
Quality Index
20%
Condition Assessment
18%
Condition Monitoring
18%
Accident Prevention
18%
Performance
17%
Maintenance Planning
16%
Measurement Data
16%
Joints (Structural Components)
16%
Development
15%
Maintenance Action
15%
Elements
13%
Lifecycle
13%
Models
13%
Ballast Bed
13%
Defects
13%
Planning
12%
Pollution
12%
Lifecycle Cost
12%
Research
11%
Correlation
10%
Railroad Cars
10%
Rail Surface
10%
Sensor
9%
Predictive Maintenance
9%
Inspection
9%
Measurement System
9%
Condition Evaluation
8%
Applicability
8%
Dynamic Force
8%
Ten Year
8%
Prediction
8%
Failure (Mechanical)
8%
Term Effect
8%
Longer Term
8%
Mechanical Impact
8%
Machinery
8%
Fiber
8%
Level Measurement
8%
Density Spectrum
8%
Complexity
8%
Damage Mechanism
8%
Slab Track
8%
Compaction
8%
Crack
8%
Subsoil Condition
8%
Life Cycle Cost Analysis
8%
Bed Thickness
8%
Main Component
8%
Dataset
8%
Eddy Current Testing
8%
Crack Growth
8%
Life Cycle Assessment
8%
Axle Load
8%
Boundary Condition
7%
Alignment
6%
Tasks
6%
Measurement Signal
6%
Ballasted Track
5%
Rolling Stock
5%
Requirement
5%
Compactness
5%
Rail Foot
5%
Test Result
5%
Earth and Planetary Sciences
Maintenance
13%
Service Life
10%
Condition
10%
Railway
9%
Recommendation
8%
Standard
8%
Fossil
8%
Public Procurement
8%
Model
8%
Assessment
8%
Public Transport
8%
Time
8%
Need
7%
Show
5%
Tools
5%
Fractal Analysis
5%