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Equilibrium Analysis and Determinacy of Structures
Basic Concepts of the Stiffness Method
Beams and Rectangular
11 other sections not shown
1ALC 2EI 6EI approximate analysis axial force beam element stiffness beam of figure bending moment diagram boundary conditions calculated cantilever beam chapter COHHON considered defined deflected shape degree of statical degrees of freedom determinacy direct stiffness method displacement vector distribution method element actions element stiffness matrix equilibrium equations example expressed fixed end actions fixed end moments flexibility method force system frame element frame of figure free body diagram gives indeterminate integral internal actions internal forces internal virtual introduced iteration linear elastic load vector MATOP matrix stiffness method moment-area theorem nodal loads pin connection plane frame plane truss points of inflection primary structure principle of virtual Q force rectangular frames relationship restraints rigid body shear force shown in figure sign convention solution statically determinate structural analysis structure stiffness matrix sway technique transverse loads truss element virtual displacements virtual forces zero