Where is the equivalent axial rigidity of one of the braces; is the axial rigidity of the steel brace; is the secant rigidity effective of the bilineal diagram that defines the performance of the dissipating device; Ø is the angle formed by the equivalent brace on the horizontal axis.
Donde es la rigidez equivalente, axial, de una de las diagonales; es la rigidez axial de la diagonal de acero; es la rigidez secante efectiva del diagrama bilineal que define el comportamiento del disipador; θ es el ángulo que forma la diagonal equivalente con el eje horizontal.