- (filigree) wideslab floor
- fabric reinforcement net (spot welded)
- failure
- failure hypothesis
- failure limit
- failure load
- failure mechanism
- failure moment
- failure stage
- failure state
- failure surface
- false setting
- falsework
- fan type anchorage
- fatigue
- fatigue strength
- ferrite
- ferrous metals
- fibre
- fibre balling
- fictitious
- field of validity
- filler aggregate
- fillers
- fillet
- final creep coefficient
- final shrinkage
- final shrinkage strain
- final value of creep coefficient
- fine aggregate
- fine gravel
- fine sand
- fineness modulus
- fineness modulus fm
- fineness of grinding
- finish
- finish by screeding board
- finishing concrete surface
- finishing of concrete
- finite element method (FEM)
- fire duration
- fire protection
- fire resistance
- fire safety
- fire-resistant
- first cracking
- first moment of area
- first order analysis
- fix
- fixed action
- fixed value
- fixed-end moment
- fixing moment
- fixing steel
- fixity
- flakiness index
- flange (of a beam)
- flange width
- flanged beam
- flanged nut
- flat
- flat roof
- flat slab
- flexural buckling
- flexural capacity
- flexural compression zone
- flexural member
- flexural reinforcement
- flexural stability
- flexural stiffnes
- flexural strength
- flexural stress
- flexural tensile strength
- flexural tension
- flexural-torsional buckling
- flexure
- floating dock
- floor
- floor loading
- floor plate/reinforced with lattice girders
- flow chart
- flow class
- flow diameter
- flow test
- fluidity
- flush (with water)
- fly ash
- fly ash derived from burning of pulversied coal
- flyover
- foamed concrete
- foil (metal)
- folding wedges
- footing
- force
- force, resisting
- form of structure
- formation of cracks
- formula
- formwork
- formwork oil
- formwork pressure
- formwork spacer
- formwork vibrator
- formwork vibrator/external vibrator
- foundation
- foundation block
- foundation slab
- four-point bending test
- four-point flexural test
- fracture
- fracture load
- fractured
- frame
- frame structure
- frame, non-sway
- frame, sway
- framework
- free edge
- free to rotate
- freeze-thaw action
- frequency
- frequent combination
- frequent value
- fresh concrete
- freshly mixed concrete
- friction coefficient
- friction surface
- frictional interlock
- frost-resistant
- frost-thaw resistance
- fully cracked condition
- fully restrained edge
- fundamental combination
- funicular polygon
- furnace clinker