A methodology for optimizing rod systems is proposed, taking into account the criterion of mechanical safety in the event of emergency actions. Based on evolutionary modeling, an iterative procedure for finding the optimal parameters of structures that have a minimum cost at the maximum level of mechanical safety is con-structed. As such a level of safety, it is proposed to use the value of the ratio of the cost of material damage to the cost of the structure and the condition of resistance to progressive destruction. The search for optimal solutions obtained using the proposed methodology can significantly reduce the consequences of accidents in construction, which can be caused by both natural and man-made fac-tors. The use of this optimization approach has prospects for use both for newly designed load-bearing bar structures and for operating systems with local damage.
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