The modulus of elasticity for concrete is calculated per 3.1.2(a).
The value of fcm in the calculation is taken from Table 3.1.2. Linear interpolation is used between the table values. Values outside the range of the table are interpolated conservatively (if f’c < 20 MPa, fcm = 1.2 f’c; if f’c > 50 MPa, fcm = f’c + 6.5 MPa).
This calculation must be selected in the Materials window to be used.
