Aide contextuelle

R_b

-

design compressive strength of concrete

R_bt

-

design tensile strength of concrete

R_sc

-

design compressive strength of steel

Rs

-

design tensile strength of steel bar

b

-

cross-section width

h

-

cross-section depth

h₀

-

effective depth of cross-section

z

-

lever arm (arm of internal forces)