Stability Optimization of Trapezoidal Frame with Rigid Members and Flexible Joints

<div>FEM result of <i>F</i><sub><i>b</i></sub> and <i>F</i><sub><i>s</i></sub> against the span length of the frame c for a symmetric portal frame.</div>

Advances in Civil Engineering

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Figure 4

Figure 4: Stability Optimization of Trapezoidal Frame with Rigid Members and Flexible Joints 