Earth & Environmental Sciences
tunnel
69%
rock
50%
TBM
40%
shotcrete
32%
discontinuity
28%
excavation
18%
cone penetration test
15%
machine learning
15%
spacing
14%
test
13%
stiffness
11%
fault zone
11%
bolt
10%
tunnel lining
9%
overburden
8%
underground construction
8%
laboratory test
8%
tensile strength
8%
acoustic emission
8%
strain measurement
8%
prediction
8%
weak rock
8%
modeling
8%
state of the art
7%
evaluation
7%
fiber optics
7%
anisotropy
7%
simulation
7%
parameter
7%
geotextile
7%
safety
7%
detection
7%
rock mechanics
6%
elasticity
6%
gravel
6%
artificial neural network
6%
software
6%
shield
6%
feasibility study
6%
photogrammetry
6%
thesis
6%
cliff
6%
digital mapping
6%
ground penetrating radar
6%
data analysis
6%
project
5%
research and development
5%
artificial intelligence
5%
engineering
5%
void
5%
sliding
5%
method
5%
segmentation
5%
grout
5%
soil classification
5%
Engineering & Materials Science
Tunnels
100%
Rocks
81%
Linings
45%
Shotcrete
28%
Excavation
26%
Machine learning
23%
Rock bursts
17%
Characterization (materials science)
15%
Neural networks
12%
Gravel
12%
Computer simulation
11%
Bolts
10%
Photogrammetry
9%
Artificial intelligence
9%
Tensile strength
9%
Shear strength
8%
Rock mechanics
8%
Underground structures
8%
Concretes
8%
Grippers
8%
Geotextiles
8%
Monitoring
7%
Reinforcement learning
7%
Failure modes
7%
Strain measurement
7%
Telescopes
7%
Steel pipe
6%
Acoustic emissions
6%
Elasticity
6%
Anisotropy
6%
Numerical models
5%
Cones
5%
Geology
5%