Geotechnics
Geotechnical stability
Piping
Retaining walls
Stability dikes
Ground water flow
Darcy
Non-phreatic
Long parallel canals
Radial flow
Partly phreatic
Radial flow
Seepage in half infinite polder
Phreatic water
Long parallel canals
Radial flow
Soil mechanics
Active, passive and neutral soil pressure
Maximum forces on soil
Material characteristics
Alloys
Angle of repose and cohesion value
Capillair rise (hc) above ground water level
Clay solidity
Comparison class division and grain diameters
Construction materials
Detailed classification clay and sand soils
Fluids
Fraction limits with grain size division (stiboka)
Fraction-division towards grain sizes
Gasses
Metals
Natural slope
Other solid matters
Permeability coefficient (k)
Poreratio(n) and pore number(e)
U-number
Volume weights
Volume weights2
Mathematical help programs
Solution of roots
1st order
2nd order
3rd order
4th order
Sediment transport
Calculation of shields number
Density of water, settling of sediment
Scour
Scour behind sills and groynes
Local scour near flow narrowing structures
Scour between river groynes
Scour downstream of a sill
Scour by jets
Falling jets
The hydraulic jump
Three dimensional inflow jets
Two dimensional inflow jets
Scour by waves
In front of vertical wall
Scour during execution
Sand losses during sand closures
Scour in free flowing water
Bend scour in a river
Bend scour in a river (2)
Confluence scour
Constriction scour + local scour
Constriction scour in a river
Determination critical flow velocity
Length bed protection
Local scour around piers
Sedimenttransport and morphology
Aeolian transport
Arens
Bagnold
Lettau lettau
Basic sediment transport calculation (currents)
Sediment transport
Coastal morphology
Accretion profile
Determination of coastal profiles
Pelnard-considere with cerc
Gravel transport
Paintal
Shingle at a coast
Mud transport and siltation
In harbour basins
River morphology
Lacey's regime equation
Parabolic river model
Sand transport by waves
Cerc
Queens
Van rijn
Structures
Bank protection in waterways
Bank protections
Boundaries of bank protection project
Dimensioning block mats
Current flow
Interference peaks
Layer thickness
Stern wave
Washout filler from holes of block mats
Dimensioning mattresses
Current flow
Interference peaks
Layer thickness
Stern wave
Dimensioning rip rap
Grading class and layer thickness
Top layer for current flow
Top layer for interference peaks
Top layer for stern wave
Geotextile filter
Granular filter
Surface of protection
Front wave height
Height of stern wave
Height of stern wave
Steepness of stern wave
Interference peaks
Interference peaks
Propeller jets
Jet bow thruster of a maneuvering ship
Jet main propeller
Return currents
Return currents in a groyne field
Return flow velocity
Return flow velocity for a given cross distance
Ship and waterway
Parameterisation standard cross section
Physical limit velocity
Sailing speed
Sailing speed versus power
Ship in waterway section
Wet part of largest cross-section of ship
Width at surface
Water level depression
Depression of water level
Depression of water level for a given cross distance
Caisson structures
Goda
On riprap berm
Filters
Hydraulic loads
Filtervelocity
I/max if c is known
I/max if c is unknown
Interface stability
Geometrically closed, (strongly) graded
On the basis of df10, db10, db60
On the basis of df50, df10, df60
Geometrically closed, poorly graded
Geometrically open filters (interface)
Internal stability
Geometrically closed filters
Geometrically open filters (internal)
Thickness of open filters
Geotextiles
Protection against currents
Stone stability bank and dike revetments
Attack by current
Escarameia and may
Maynord
Stability of near bed structures
Stability ship induced currents
Water jets perpendicular to slope
Stone stability top layer bed protection
Bed protection (high currents)
Bed protection around a pile
Bed protection with flow narrowing structures
Stone stability (shields and izbash)
Protection against waves
Other materials
Asphalt revetment
Rock and stone structures
Berm breakwater
Berm breakwater
Berm recession (lykke andersen)
Reshaping berm breakwater
Reshaping berm breakwater (10_4)
Concrete
Accropode and xblocs
Cubes
Dolosse
Pilarczyk
Tetrapods
Crown
Forces on a crown wall according to martin
Impact pressure on a crown wall horizontal force
Wave load on crown wall
Damage to near bed structures
Low crested structures
Melby (cumulative damage)
Rear side stability of a breakwater
Rock
Hudson (original)
Protection against ship waves
Ship induced waves
Van der meer
Van gent formula
Submerged structures dynamically stable
Submerged structures statically stable
Toe
Sacrificial toe
Toe in front of caison breakwater
Toe stability
Van gent-vdwerf
Transversal stern waves
Water movement
Flow
Flow and structures
Force on a body
Gate structures
Seepage flow through rock
Spillways
Long waves
Flow by seiches
Frequency of basin
Translation waves
Open channel flow
Conservation of energy (bernoulli)
Determination equilibrium depth
Roughness known
Roughness not known
Flow velocity (chézy)
Flow velocity (manning)
Froude
Hydraulic pressure
Trapezoidal profile
Pipe flow
Averaged flow velocity with laminair flow
Averaged flow velocity with turbulent flow
Turbulence
Viscosity
Tidal flow
Flow through closure gap
Ice forces
Forces by thermal expansion of ice
Forces by wind and flow
Forces on slopes
Forces on vertical piles
Forces on vertical structures
Velocity ice known
Velocity ice unknown
Frost number of ijnsen
Ice characteristics
Ice dams
Ice thickness
Period character number
Water jets
Inflow jets
In limited water
Jet from long chink with bed friction
Jet from long gap (approximation)
Jet from rectangular opening
In unlimited water
Free jet
From circle shaped pipe
From wide gap
Mixing layers
Overflowing jets
Propeller jets
Main propeller
Manoeuvring ships
Sailing vessels
Push barge convoy
Rhk- and motor vessels
Water levels
Wind setup(2)
Wind waves and swell
Basics of waves
Dispersion relation
Orbital movement
Propagating waves
Rayleigh distributed wave height relations
Standing waves
The composite weibull distribution (cwd) of wave heights in shallow water
Wave height estimation in the surf zone
Wavedamping by bedfriction
Wave/structure interaction
Overtopping
Current velocity inner slope
Dike run-up and overtopping (extended routine)
Overtopping over dikes
Overtopping per wave
Reshaping berm breakwaters
Velocities and layer thickness in overtopping waves
Crest
Innerslope
Outerslope
Vertical constructions
A retaining wall behind a slope with or without berm
A retaining wall on a quay
A retaining wall without quay
Over vertical wall
Overtopping during floods
Vertical structures
Reflection
In case of slopes
Reflection
Vertical constructions
Wave rundown and wave runup
Wave run up on rough slopes - explicit formulae
Wave run up on sloping structures
Wave rundown
Wave run-down plane smooth slopes
Wave run-down porous
Wave run-down vd.meer
Wave runup on sloping structures
Wave transmission
Conventional breakwater
High perm. breakwater
Impermeable dam
Reef-breakwater
Row of piles
Rubble mound low crested structures
Small waves and relatively large freeboards
Smooth low crested structures
Vegetation
Vertical breakwater
Wave transmission over low breakwater
Wave transmission trough piles
Waveforces
Pressure force on a vertical wall
With slope
Without slope
Wavegrowth
Wave growth in varying waterdepth
Wavegrowth in constant waterdepth
Wave growth in inland waters, reservoirs and lakes
Donelan method
Saville method
Young and verhagen method
Wavegrowth in deep water
Kahma and calkoen formulae
Sverdrup-munk-bretschneider formulae
Wilson formulae
Wavegrowth in constant waterdepth
Waves near the shore
Diffraction
Semi-infinite breakwater
Refraction, energy decay and longshore currents
Longshore current by breaking waves at the shoreline
Refraction parallel contourlines
Shoaling waters
Set-up/set-down
Irregular waves
Regular waves
Wave breaking
Breakerdepth, shoaling and refraction
Maximum wave heights
Waves at the breaking point