• Diagrams of axial forces, shear forces and bending moments on sloping surfaces.
• Principle of superposition - symmetry.
• Influence lines.
• Elastic-beam theory.
• Energy methods.
• Principle of conservation of energy, principle of virtual work.
• Force method.
• Displacement method of analysis. Slope-deflection equations.
• Moment distribution method - ΜέθοδοςCross.
• Cable structures. Arch structures.