10A. DIMENSIONING PART 1/4

• First, the y and z shear ratios (local axes) at the top and base of the column are calculated. If they are greater than 2,5, no further check is required. If less than 2.5 and greater than 1.5 are obtained, no further testing is required. diagonal reinforcement but either a satisfactory check must be made or the following condition must be satisfied in the results. The existence of rigid castings requires the satisfaction of this condition. • The calculation of the diagonal reinforcement follows since the shear ratio less than 1.5.. • This is followed by the calculation of the relative seismic displacement δ and the failure displacement δu and the check δ<δu. If the inequality is not met, a reduction of the behaviour index q is required. • Finally, calculate the seismic coefficient of lift-off behaviour q' by y and by z and the proposed joint δτy if selected in the parameters. 1.3.4.1.4 Critical wall length The critical wall length is defined as follows: • The level at which the earthquake has been imposed by the analysis is identified (identify it you must select the "checks" command from the analysis). • With the checkbox unchecked, the program will automatically take the earthquake force level as the basis of the walls. With checked the user manually sets this level. Any change made by analysis, if the user has selected the checkbox, the option will remain unaffected. • With the second checkbox unchecked, the program will set the critical length as the length calculated by the regulation, otherwise the user manually selects the critical length (in m).