SUBJECT HEADING
LIST TO THE CEDB
You can browse this alphabetical list of Subject
headings or
you can select a letter to jump to a specific portion of the list
BT
= Broader term; NT = Narrower term; RT = Related term; SN = Scope
note; UF = Use for
Unauthorized term = Term displayed in []'s
R
Radar
Radial flow
BT: Flow
Radiation
NT: Solar radiation
NT: Ultraviolet radiation
Radioactive materials
BT: Materials
Radioactive wastes
BT: Waste management
UF: [Nuclear wastes]
Radiography
UF: [Tomography]
Radon
RT: Indoor air pollution
Raft foundations
BT: Foundations
Rail transportation
BT: Transportation management
Railroad engineering
BT: Transportation engineering
Railroad grade crossings
BT: Crossings
Railroad stations
BT: Terminal facilities
Railroad ties
BT: Ties
Railroad tracks
Railroad trains
Rainfall
BT: Precipitation
Rainfall duration
Rainfall frequency
NT: Frequency
Rainfall intensity
Rainfall-runoff relationships
Ramps
BT: Highways and roads
Random processes
Random waves
BT: Waves
Rangeland
UF: [Grazing land]
UF: [Pasture]
Rapid transit railways
Rapid transit systems
BT: Public transportation
Ratings
RT: Evaluation
Rayleigh waves
BT: Waves
Reactors
NT: Nuclear reactors
UF: [Vats]
Reaeration
BT: Aeration
Real estate properties
RT: Land use
[Rebars]
Use: Structure reinforcement
Receiving water
BT: Water
Recharge basins
BT: Basins
RT: Recharge wells
Recharge wells
BT: Wells
RT: Recharge basins
Recirculation
Reclamation
NT: Land reclamation
NT: Water reclamation
Reconstruction
RT: Construction
Recreation
NT: Boating
NT: Sports
RT: Tourism
Recreational facilities
BT: Facilities
RT: Parks
Recruiting
RT: Affirmative action
RT: Employment
Recycling
RT: Water reclamation
RT: Renewable energy
RT: Sustainable development
UF: [Byproduct utilization]
UF: [Waste utilization]
Redundancy
Reefs
BT: Breakwaters
Reflection
NT: Wave reflection
Refraction
NT: Wave refraction
Regional analysis
BT: Analysis
Regional development
Registration
Regression analysis
BT: Analysis
Regression models
BT: Models
Regulations
RT: Laws
RT: Permits
Rehabilitation
UF: [Repairing]
UF: [Retrofitting]
Reinforced Concrete
BT: Concrete
UF: [Ferrocement]
[Reinforced earth]
Use: Soil stabilization
[Reinforced soils]
Use: Soil stabilization
Reinforcement
NT: Structure reinforcement
Reinforcing steel
BT: Steel
Relative density
BT: Density
Relaxation, mechanics
RT: Stress relaxation
Reliability
NT: Structural reliability
NT: System reliability
Relocation
Remediation
RT: Abatement and removal
RT: Waste treatment
Remote control
BT: Control
Remote sensing
RT: Monitoring
Renewable energy
BT: Energy sources
RT: Sustainable development
RT: Recycling
Renovation
RT: Restoration
[Rental]
Use: Leasing and renting
[Repairing]
Use: Rehabilitation
Repeated loads
BT: Loads
Replacement
(SN: of structures, systems and equipment)
Research
Reservoir design
BT: Design
Reservoir operation
BT: Operation
Reservoirs
Resident engineers
BT: Engineers
Residential location
BT: Location
Residual soils
BT: Soils
Residual strength
BT: Strength
Residual stress
BT: Stress
Resilient modulus
Resistance
NT: Fire resistance
NT: Flow resistance
NT: Shear resistance
NT: Skid resistance
Resonance
RT: Vibration
Resource allocation
Resource management
BT: Management
RT: Natural resources
Response spectra
Restoration
RT: Renovation
Restraint systems
NT: Tieback restraint systems
Retaining walls
BT: Walls
RT: Bulkheads
Retention
Retention basins
BT: Basins
Retirement
RT: Pensions
[Retrofitting]
Use: Rehabilitation
Return flow
BT: Flow
Revenues
RT: Budgets
Revetments
Reviews
NT: Peer review
NT: State-of-the-art reviews
Reynolds number
Reynolds stress
BT: Stress
Rheology
Rhode Island
BT: United States
Ridership
RT: Public transportation
Right of way, land
RT: Land use
Right of way, traffic
Rigid pavements
BT: Pavements
Rigid-body dynamics
BT: Dynamics
Rigidity
Rings
Rio Grande
BT: Rivers
Rip currents
BT: Currents
Riparian land
Riparian rights
RT: Water rights
Riparian water
BT: Water
Ripple marks
RT: Bed ripples
Riprap
BT: Foundations
Risk management
BT: Management
River bank erosion
BT: Erosion
River bank stabilization
BT: Stabilization
River basins
BT: Basins
River beds
BT: Beds
River crossings
BT: Crossings
River flow
BT: Flow
River systems
Riverine bars
RT: Sandbars
Rivers
NT: Colorado River
NT: Columbia River
NT: Hudson River
NT: Mississippi River
NT: Missouri River
NT: Niagara River
NT: Nile River
NT: Ohio River
NT: Potomac River
NT: Rio Grande
NT: St. Lawrence River
RT: Backwater
RT: Estuaries
RT: Headwaters
RT: Streams
RT: Waterways
RT: Yangtze River
Rivets
RT: Fastening
Road curvature
BT: Curvature
Roadbeds
BT: Beds
Robotics
Rock fills
BT: Fills
Rock masses
BT: Mass
Rock mechanics
BT: Mechanics
Rock structures
BT: Structures
Rocks
NT: Bedrock
NT: Boulders
NT: Carbonate rocks
NT: Kaolin
NT: Shale
Rocky Mountains
BT: Mountains
Rods
Roller-compacted concrete
BT: Concrete
Romania
BT: Europe
Roof failures
BT: Failures
Roofs
Rotation
Rotational flow
BT: Flow
Roughness
NT: Bed roughness
NT: Hydraulic roughness
NT: Surface roughness
[Roundabouts]
Use: Intersections
Route preferences
RT: Travel patterns
Routing
NT: Flood routing
Rubber
Runoff
RT: Water pollution
Rural areas
Russia (after 1991)
BT: EuropeBack to Top | 
