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SUBJECT HEADING LIST TO THE CEDB 


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 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

BT = Broader term; NT = Narrower term; RT = Related term; SN = Scope note; UF = Use for
Unauthorized term = Term displayed in []'s


S



Safety
            NT: Dam safety
            NT: Fire safety
            NT: Nuclear safety
            NT: Occupational safety
            NT: Public safety
            NT: Structural safety
            RT: Security
            RT: Terrorism
Salaries
            RT: Compensation
            RT: Employee benefits
            RT: Incentives
Salinity
            RT: Desalination
Salt balance
Salt domes
Salt water
            BT: Water
Salt water intrusion
            BT: Intrusion
Salts
Sample disturbance
            BT: Disturbances
Sampling
            NT: Soil sampling
            NT: Water sampling
San Francisco
            BT: California
Sand
Sand transport
Sand waves
            BT: Waves
Sandbars
            RT: Riverine bars
            UF: [Tombolo]
Sandstone
            BT: Stones
Sandwich panels
            BT: Panels
Sandwich structures
            BT: Structures
Sanitary engineering
            BT: Engineering
Sanitary landfills
            BT: Landfills
Sanitary sewers
            BT: Sewers
Satellites
Saturated soils
            BT: Soils
Saturation
Saudi Arabia
            BT: Asia
Scaffolds
Scale effect
Scale models
            BT: Models
Scale, ratio
Scattering
            NT: Backscattering
Scheduling
            NT: Computer aided scheduling
            NT: Irrigation scheduling
Scholarships
            BT: Engineering education
Schools
            RT: Universities
Scour
Screening
Screens
            UF: [Trashracks]
Sea floor
            BT: Beds
            RT: Ocean bottom
            UF: [Seabed]
Sea level
            BT: Water levels
Sea states
Sea walls
            BT: Walls
Sea water
            BT: Water
Sea water corrosion
            BT: Corrosion
[Seabed]
            Use: Sea floor
Sealing
Seasonal variations
            NT: Winter
Secondary flow
            BT: Flow
Secondary systems
Security
            RT: Safety
            RT: Terrorism
Sediment
            NT: Suspended sediment
            RT: Silts
            RT: Sludge
            RT: Slurries
Sediment loads
            BT: Loads
Sediment transport
Sedimentation tanks
            BT: Tanks
            UF: [Settling tanks]
Seepage
Segmented elements
Seismic analysis
            BT: Analysis
Seismic design
            BT: Design
Seismic effects
Seismic surveys
            BT: Surveys
Seismic tests
            BT: Tests
Seismic waves
            BT: Waves
Selection
            NT: Site selection
Selenium
Sensitivity analysis
            BT: Analysis
Sensors
            RT: Tracers
            RT: Probe instruments
            UF: [Sonars]
Separation
            NT: Flow separation
            NT: Grade separation
Septic tanks
            BT: Tanks
Service life
            RT: Warranties
Service loads
            BT: Loads
Serviceability
Settlement
            NT: Differential settlement
            NT: Foundation settlement
            NT: Pile settlement
            NT: Soil settlement
            NT: Structural settlement
Settling basins
            BT: Basins
[Settling tanks]
            Use: Sedimentation tanks
Settling velocity
            BT: Velocity
Sewage
            BT: Waste management
Sewer design
            BT: Design
Sewer pipes
            BT: Pipes
Sewers
            NT: Combined sewers
            NT: Gravity sewers
            NT: Intercepting sewers
            NT: Outfall sewers
            NT: Sanitary sewers
            NT: Storm sewers
            NT: Vacuum sewers
Shaft resistance, piles
            BT: Resistance
Shafts
            NT: Drilled shafts
Shake table tests
            BT: Tests
Shale
            BT: Rocks
            NT: Oil shale
Shallow foundations
            BT: Foundations
Shallow water
            BT: Water
Shape
Shape memory effect
            UF: [Materials with memory]
Shear
            NT: Boundary shear
            NT: Interface shear
            NT: Transverse shear
            NT: Triaxial shear
Shear deformation
            BT: Deformation
Shear distribution
            BT: Distribution functions
Shear failure
            BT: Failures
Shear flow
            BT: Flow
Shear forces
            BT: Force
Shear lag
Shear modulus
Shear properties
Shear resistance
            BT: Resistance
Shear strain
            BT: Strain
Shear strength
            BT: Strength
Shear stress
            BT: Stress
Shear tests
            BT: Tests
Shear walls
            BT: Walls
Shear waves
            BT: Waves
Sheet flow
            BT: Flow
Sheet piles
            BT: Piles
Sheets
Shell structures
            BT: Structures
            NT: Thin shell structures
Shells
            NT: Cylindrical shells
            NT: Hyperbolic parabolic shells
            NT: Spherical shells
[Shelters]
            Use: Protective structures
Shields, tunneling
Ship bridge collisions
            BT: Collisions
Ship motion
            BT: Motion
Shipbuilding
Ships
            NT: Barges
            NT: Containment vessels
            NT: Small crafts
            NT: Tanker ships
Shoaling
Shock waves
            BT: Waves
Shopping centers
            BT: Buildings, nonresidential
Shore protection
            RT: Breakwaters
Shoreline changes
Shores
            NT: Foreshore
            NT: Nearshore
            RT: Beaches
Shoring
Shotcrete
Shredding
Shrinkage
Sidesway   (SN: The lateral movement of a structure when subjected to lateral loads or unsymmetrical vertical loads)
[Sidewalks]
            Use: Walkways
Sight distances
Sign supports
            BT: Supports
Signal processing
Signs
            NT: Traffic signs
Silica
Silicates
Silos
Silts
            RT: Sediment
            RT: Sludge
            RT: Slurries
Similitude
Simulation
            NT: Computer aided simulation
            NT: Flow simulation
Simulation models
            BT: Models
Singapore
            BT: Asia
Sinkholes
            BT: Holes
            RT: Karst
Siphons
            BT: Tubes
Site evaluation
            BT: Evaluation
Site investigation
Site preparation, construction
Site selection
            BT: Selection
Site surveys
            BT: Surveys
Size
            NT: Grain size
            NT: Particle size
Size effect
Skewed structures
            BT: Structures
Skewness
Skid resistance
            BT: Resistance
Skin
Skin friction
            BT: Friction
Slabs
            NT: Concrete slabs
Slag
Slenderness ratio
            BT: Ratio
Sliding
Slip
Slope stability
            BT: Stability
Slopes
Sloshing
Slovakia
Sludge
            NT: Activated sludge
            RT: Sediment
            RT: Silts
            RT: Slurries
Slurries
            RT: Sediment
            RT: Silts
            RT: Sludge
Slurry pipelines
            BT: Pipelines
Slurry trenches
            BT: Trenches
Slurry walls
            BT: Walls
            RT: Diaphragm wall
Small business
            RT: Entrepreneurship
            RT: Joint ventures
Small crafts
            BT: Ships
Small structures
            BT: Structures
[Smart buildings]
            Use: Intelligent structures
Smoke
Snow
            BT: Precipitation
Snow loads
            BT: Loads
Snowmelt
Snowstorms
            BT: Storms
Social factors
Sodium
Soft soils
            BT: Soils
Softening
            NT: Strain softening
Soil analysis
            BT: Analysis
Soil cement
            BT: Cements
Soil chemistry
Soil classification
            BT: Classification
Soil compaction
            BT: Compaction
            RT: Compacted soils
Soil compression
            BT: Compression
Soil conditions
Soil consolidation
            NT: Overconsolidated soils
            NT: Preconsolidated soils
Soil deformation
            BT: Deformation
Soil dynamics
            BT: Dynamics
Soil erosion
            BT: Erosion
Soil gas
            BT: Gas
Soil grouting
            BT: Grouting
Soil liquefaction
Soil loss
            BT: losses
Soil mechanics
            BT: Mechanics
Soil mixing
            BT: Mixing
Soil modulus
[Soil moisture]
            Use: Soil water
Soil nailing
Soil permeability
            BT: Permeability
Soil pollution
            BT: Pollution
Soil porosity
            BT: Porosity
Soil pressure
            BT: Pressure
Soil properties
Soil resistance
            BT: Resistance
Soil sampling
            BT: Sampling
Soil settlement
            BT: Settlement
Soil stabilization
            BT: Stabilization
            UF: [Earth reinforcement]
            UF: [Ground improvement]
            UF: [Reinforced earth]
            UF: [Reinforced soils]
Soil strength
            BT: Strength
Soil stress
            BT: Stress
Soil structures
            BT: Structures
Soil suction
            BT: Suction
Soil surveys
            BT: Surveys
Soil tests
            BT: Tests
Soil treatment
Soil water
            BT: Water
            UF: [Soil moisture]
Soil water movement
Soil water storage
            BT: Storage
Soil-pile interaction
            BT: Interactions
Soil-pipe interaction
Soil-structure interaction
            BT: Interactions
Soils
            NT: Anisotropic soils
            NT: Calcareous soils
            NT: Coarse-grained soils
            NT: Cohesionless soils
            NT: Cohesive soils
            NT: Collapsible soils
            NT: Compacted soils
            NT: Expansive soils
            NT: Fine-grained soils
            NT: Frozen soils
            NT: Layered soils
            NT: Residual soils
            NT: Saturated soils
            NT: Soft soils
            NT: Topsoil
            NT: Tropical soils
            NT: Unsaturated soils
Solar energy
            BT: Energy
Solar radiation
            BT: Radiation
Solid wastes
            BT: Waste management
Solidification
Solids
            NT: Dissolved solids
            NT: Suspended solids
Solids flow
            BT: Flow
Solitary waves
            BT: Waves
Solubility
Solutes
Solutions
            NT: Closed form solutions
Solvents
[Sonars]
            Use: Sensors
Sorption
            NT: Absorption
            NT: Adsorption
            RT: Desorption
South Africa
            BT: Africa
South Carolina
            BT: United States
South Dakota
            BT: United States
[Soviet Union]   Use: Russia (after 1991)
            Use: USSR
Space colonies   (SN: Communities established in space or on natural extraterrestrial bodies)
Space construction
            BT: Construction
Space exploration
            BT: Exploration
            RT: Astronomy
            RT: Orbits
Space frames
            BT: Frames
Space geology
            BT: Geology
Space life support systems
Space reconnaissance
            BT: Reconnaissance
Space shuttle orbiter
Space stations
Space structures
            BT: Structures
Space truss
            BT: Trusses
Spacecraft
Spacecraft launching
Spacing
Spain
            BT: Europe
Spalling
Spatial analysis
            BT: Analysis
Spatial data
            BT: Databases
Spatial distribution
            BT: Distribution functions
Specifications
Spectra
            NT: Response spectra
            NT: Wave spectra
Spectral analysis
            BT: Analysis
Spectral density function
Spectral reflectance
            BT: Reflectance
Speeches
            RT: Communication
Speed
            NT: Traffic speed
            NT: Wind speed
Spheres
Spherical shells
            BT: Shells
Spills
            NT: Chemical spills
            NT: Oil spills
Spillways
            UF: [Pipe outlets]
Spits, coastal
Splicing
Splitting
Sports
            BT: Recreation
            RT: Stadiums
Spraying
Spread foundations
            BT: Foundations
            RT: Footings
Spreadsheets
            BT: Computer software
[Springs, water]
            Use: Aquifers
Sprinkler irrigation
            BT: Irrigation
Sri Lanka
            BT: Asia
St. Lawrence River
            BT: Rivers
Stability
            NT: Dynamic stability
            NT: Embankment stability
            NT: Lateral stability
            NT: Slope stability
            NT: Structural stability
Stabilization
            NT: River bank stabilization
            NT: Channel stabilization
            NT: Soil stabilization
Stadiums
            RT: Sports
Stainless steel
            BT: Steel
Stairs
Standardization
Standards and codes
            UF: [Codes]
Standing waves
            BT: Waves
State government
            BT: Government
State laws
            BT: Laws
State-of-the-art reviews
            BT: Reviews
Static loads
            BT: Loads
Static structural analysis
            BT: Structural analysis
Static tests
            BT: Tests
Statics
Stationary processes
            UF: [Nonstationary processes]
Statistics
Steady flow
            BT: Flow
Steady states
Steam
Steam powerplants
            BT: Powerplants
Steel
            NT: Cold-formed steel
            NT: Cold-rolled steel
            NT: High-strength steel
            NT: Reinforcing steels
            NT: Stainless steel
            NT: Structural steels
Steel beams
            BT: Beams
Steel columns
            BT: Columns
Steel construction
            BT: Construction
Steel decks
            BT: Decks
Steel fibers
            BT: Fibers
Steel frames
            BT: Frames
Steel piles
            BT: Piles
Steel pipes
            BT: Pipes
Steel plants
            BT: Industrial plants
Steel plates
            BT: Plates
Steel structures
            BT: Structures
Stiffening
Stiffness
Stilling basins
            BT: Basins
Stochastic models
            BT: Models
Stochastic processes
Stoke's law
Stone columns
            BT: Columns
Stones
            NT: Limestone
            NT: Marble
            NT: Sandstone
Storage
            NT: Coal storage
            NT: Energy storage
            NT: Oil storage
            NT: Pumped storage
            NT: Soil water storage
            NT: Underground storage
            NT: Waste storage
            NT: Water storage
Storage facilities
            BT: Facilities
            UF: [Warehouses]
Storage tanks
            BT: Tanks
            NT: Pressure vessels
Storm sewers
            BT: Sewers
Storm surges
            BT: Surge
Storms
            BT: Precipitation
            NT: Snowstorms
Stormwater management
            BT: Water management
Strain
            NT: Axial strain
            NT: Plane strain
            NT: Shear strain
            NT: Tensile strain
Strain distribution
            BT: Distribution functions
Strain energy
            BT: Energy
Strain gages
Strain hardening
Strain measurement
            BT: Measurement
Strain rate
            BT: Rates
Strain softening
            BT: Softening
Stratification
Stratified flow
            BT: Flow
Stratigraphy
Stream channels
            BT: Channels
Stream gaging
            RT: Gaging stations
Stream improvement
Streambeds
            BT: Beds
Streamflow
            BT: Flow
Streams
            NT: Meandering streams
            NT: Mountain streams
            RT: Estuaries
            RT: Rivers
            RT: Waterways
Streets
            BT: Highways and roads
            RT: Urban areas
Strength
            NT: Compressive strength
            NT: Cyclic strength
            NT: Flexural strength
            NT: Residual strength
            NT: Shear strength
            NT: Soil strength
            NT: Structural strength
            NT: Tensile strength
            NT: Ultimate strength
Stress
            NT: Biaxial stress
            NT: Combined stress
            NT: Effective stress
            NT: Lateral stress
            NT: Residual stress
            NT: Reynolds stress
            NT: Shear stress
            NT: Soil stress
            NT: Tensile stress
            NT: Thermal stress
            NT: Triaxial stress
            NT: Yield stress
Stress analysis
            BT: Analysis
Stress concentration
            BT: Concentration
Stress distribution
            BT: Distribution functions
Stress history
            BT: History
Stress intensity factor
Stress measurement
            BT: Measurement
Stress relaxation
            RT: Relaxation, mechanics
Stress strain relations
Stress waves
            BT: Waves
Stripping
Structural analysis
            BT: Analysis
            NT: Dynamic structural analysis
            NT: Static structural analysis
Structural behavior
Structural control
            BT: Control
Structural design
            BT: Design
Structural dynamics
            BT: Dynamics
Structural elements
            RT: Nonstructural elements
Structural engineering
            BT: Engineering
Structural failures
            BT: Failures
            RT: Collapse
Structural forms
Structural members
            UF: [Members]
Structural models
            BT: Models
Structural reliability
            BT: Reliability
Structural response
Structural safety
            BT: Safety
Structural settlement
            BT: Settlement
Structural stability
            BT: Stability
Structural steels
            BT: Steel
Structural strength
            BT: Strength
Structure reinforcement
            BT: Reinforcement
            UF: [Rebars]
Structures
            NT: Air supported structures
            NT: Buried structures
            NT: Cellular structures
            NT: Coastal structures
            NT: Composite structures
            NT: Concrete structures
            NT: Continuous structures
            NT: Control structures
            NT: Diversion structures
            NT: Drainage structures
            NT: Drop structures
            NT: Earthquake resistant structures
            NT: Elevated structures
            NT: Floating structures
            NT: Framed structures
            NT: Highway and road structures
            NT: Honeycomb structures
            NT: Hydraulic structures
            NT: Inflatable structures
            NT: Intake structures
            NT: Intelligent structures
            NT: Large structures
            NT: Modular structures
            NT: Multiple purpose structures
            NT: Offshore structures
            NT: Pile structures
            NT: Protective structures
            NT: Rock structures
            NT: Rockfill structures
            NT: Sandwich structures
            NT: Shell structures
            NT: Skewed structures
            NT: Small structures
            NT: Soil structures
            NT: Space structures
            NT: Steel structures
            NT: Suspended structures
            NT: Temporary structures
            NT: Tension structures
            NT: Thin wall structures
            NT: Underground structures
            NT: Underwater structures
            NT: Waterfront structures
            NT: Wood structures
            RT: Substructures
            RT: Superstructures
Struts
Stub girders
            BT: Girders
Students
Studs
Subcontractors
            BT: Contractors
Subcritical flow
            BT: Flow
Subgrades
Subirrigation
            BT: Irrigation
Submarine pipelines
            BT: Pipelines
            RT: Underwater pipelines
            RT: Offshore pipelines
Submerged flow
            BT: Flow
Submerged jets
            BT: Jets
Submerging
Subsidence
            UF: [Land subsidence]
            UF: [Mine subsidence]
Subsidies, financial
            BT: Financing
Substrates
Substructures
            RT: Structures
Subsurface drainage
            BT: Drainage
Subsurface environment
Subsurface flow
            BT: Flow
Subsurface investigations
            UF: [Geologic investigations]
            UF: [Geotechnical investigations]
Subsystems
            RT: Systems
Suburbs
            RT: Urban areas
Subway tunnels
            BT: Tunnels
Subways
            BT: Public transportation
Suction
            NT: Soil suction
Sudan
            BT: Africa
Sulfates
Sulfides
            NT: Hydrogen sulfides
Sulfur
Sulfur dioxide
Sulfur oxides
Supercritical flow
            BT: Flow
Superstructures
            RT: Structures
Supervision
            RT: Leadership
            RT: Management
Supports
            NT: Sign supports
            NT: Tunnel supports
Surcharge
Surf zone
Surface drainage
            BT: Drainage
Surface dynamics
            BT: Dynamics
[Surface flow]
            Use: Overland flow
Surface irrigation
            BT: Irrigation
Surface jets
            BT: Jets
Surface properties
Surface roughness
Surface water
            BT: Water
Surface waves
            BT: Waves
Surface-active agents
            UF: [Surfactants]
[Surfactants]
            Use: Surface-active agents
Surge
            NT: Storm surges
Surveys
            NT: Aerial surveys
            NT: Cadastral surveys
            NT: Control surveys
            NT: Geodetic surveys
            NT: Geological surveys
            NT: Geophysical surveys
            NT: Hydrographic surveys
            NT: Land surveys
            NT: Seismic surveys
            NT: Site surveys
            NT: Soil surveys
            NT: Topographic surveys
            NT: Traffic surveys
            NT: U.S. Geological Survey
            NT: Underwater surveys
Suspended loads
            BT: Loads
Suspended sediment
            BT: Sediment
Suspended solids
            BT: Solids
Suspended structures
            BT: Structures
Suspension
Sustainable development
            RT: Renewable resources
Swamps
            BT: Wetlands
[Swash]
            Use: Wave runup
Sweden
            BT: Europe
Swelling
Switzerland
            BT: Europe
Symmetry
            NT: Axisymmetry
            RT: Asymmetry
Synthesis
Synthetic materials
            BT: Materials
Syria
            BT: Asia
System analysis
            BT: Analysis
System reliability
            BT: Reliability
Systems
            RT: Subsystems
Systems engineering
            BT: Engineering
Systems management
            BT: Management

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