DIFFICULTIES FOR DETECTING THE SINGULAR POINTS WITH COMMERCIAL PROGRAMS IN SPACE STRUCTURE AND A METHOD FOR DETERMINING THE REAL CAPACITY OF THE STRUCTURES

For design purposes, the stability of any structure being designed is of paramount importance. The fact that it is possible to perform an analysis on a space structure which shows that the stresses in that structure are all below those permissible for the materials used in its construction, is in itself no guarantee that when the structure is loaded it will not collapse. In order to determine this, it is necessary to find out if the structure is stable under the action of the applied loads. The secondary paths, especially in unstable buckling can play the most important role in collapse of the structure [2].

• Galishnikova V.V.
• Heidari A.
• Mahmoudzadeh I.

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