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10.0.15 (current)
10.0.14

AdSec theory
Introduction
Solution methods
Concrete material models
Rebar material models
Structural steel material models

Concrete material models
Bilinear

Bilinear

The bilinear curve is linear to the point $\varepsilon_c, f_{c d}$ and then constant to failure.

diagram of bilinear curve calculation formula

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