Il corso si propone di fornire i fondamenti della progettazione strutturale, con particolare riferimento alle metodologie di calcolo per le strutture costituite da elementi monodimensionali.
A written test concerning the program, consisting in one or more exercises to be solved.
The course aims to provide the fundamentals of structural design, with particular reference to the calculation methodology for one-dimensional structural elements.
Elements of solid mechanics. Traction tests on the materials. Stress and strain measures. Tensions in solids. Remarks on symmetries and constitutive equations.
Tension. Elastic line. Thermal strain.
Bending and tension-bending.
Beam systems. Differential equation of the elastic line. The theorem of virtual work. The force method. Outline of the stiffness method.
Torsion. Circular sections. Rectangular sections. Thin-walled sections. Pluri-rectangular sections. Tubular sections.Shear. Theory of Jourawsky.
Structural safety. The elastic limit. Strength criteria. Strength criteria for beams. Elastic beams safety. Overview of instability.
Claudia Comi e Leone Corradi Dell’Acqua, Introduzione alla meccanica strutturale, McGraw- Hill, 2003.
Emilio Turco, Raffaele Casciaro, Antonio Bilotta, Francesco Porco e Giovanni Formica, Scienza delle costruzioni, McGraw-Hill, 2004.
Face-to-face lectures and exercises (72 hours).
Lectures, exercises and driven exercise. It is also requested the development of a design theme announced at the beginning of the course.