Materials · Concrete

Concrete — ACI 318 (United States)

Specified minimum or characteristic values, for preliminary design. They vary with thickness, class and edition of the standard: check the reference text.
Material f'c / fckMPafctMPaEMPaν ρkg/m³α10⁻⁶/°CReference 
3000 psi20.72.8321,5300.22,40010ACI 318 (Ec = 57 000 √f'c psi)
4000 psi27.63.2724,8600.22,40010ACI 318 (Ec = 57 000 √f'c psi)
5000 psi34.53.6627,7900.22,40010ACI 318 (Ec = 57 000 √f'c psi)
6000 psi41.44.0130,4400.22,40010ACI 318 (Ec = 57 000 √f'c psi)
8000 psi55.24.6335,1500.22,40010ACI 318 (Ec = 57 000 √f'c psi)
10000 psi68.95.1739,3000.22,40010ACI 318 (Ec = 57 000 √f'c psi)