- magnesium cement
- main action
- main beam
- main girder
- main reinforcement
- main tension reinforcement
- maintenance
- major axis
- making a concrete surface water repellent
- man-hour
- manpower
- manufacture
- mark(ing)
- marl
- martensite
- mass
- mass concrete
- mass density
- mass unit
- massive
- material
- material behaviour
- material data
- material property
- material retained on sieve
- material strength
- maturity
- maximum aggregate size
- maximum bar diameter
- maximum reinforcement percentage
- maximum values
- mean
- mean coefficient of variation
- measure
- measurement
- measuring box
- measuring cylinder
- mechanical anchorage device
- mechanical properties
- mechanical steel reinforcement couplers
- mechanical testing
- mechanics
- mechanism
- member
- member, flexural
- member, post-tensioned
- member, pre-tensioned
- membrane
- membrane stress
- meridian
- meridian stress
- mesh
- mesh reinforcement
- mesh, orthogonal
- metacentre
- metal
- metal bearing
- method of construction
- micro-crack
- microsilica
- mid-plane
- mid-span
- mid-span reinforcement
- middle strip (flat-slab floor)
- mineral
- minimum anchorage length
- minimum compressive strength
- minimum concrete cover
- minimum concrete strength
- minimum design moment
- minimum lap length
- minimum perc. of shear reinforcement
- minimum percentage of reinforcement
- minimum provision
- minimum reinforcement
- minimum requirement
- minimum shear reinforcement
- minimum thickness
- minimum values
- minor ribbed floor
- mix
- mixing drum
- mixing plant
- mixing process
- mixing screw
- mixing water
- mixture
- model uncertainty
- model, to
- modular ratio
- modular ratio method
- modulus
- modulus of elasticity
- modulus of elasticity, effective
- modulus of rigidity
- moisture
- moisture content
- moisture equilibrium
- moment
- moment coefficient
- moment diagram
- moment of inertia
- moment over continuous edges
- moment resistance
- moment-curvature relationship
- monolithic
- monolithic finished floor
- monorail
- monotonic
- mortar
- mould
- mould oil
- mould-release agent
- moving load
- multi strand tendon
- multi wire tendon
- multi-storey
- mushroom floor