This manual is intended for students and masters of specialty 010500 of the full-time department of the faculty of PMM on the special course "Calculation of structures taking into account the plastic properties of the material". As a result of studying the special course, students should master the skills of setting the tasks of determining the limiting loads of structures made of materials with certain properties, determining the boundaries of stock coefficients. This will help them in the performance of term papers and diplomas, in preparation for exams .. The manual was prepared at the Department of Theoretical and Applied Mechanics of the Faculty of Applied Mathematics, Informatics and Mechanics of Voronezh State University . It is recommended for students of the specialty "Mechanics" and masters of the direction "Mechanics" on the special course "Calculation of structures beyond elasticity"