Transcription of Force Method for Analysis of Indeterminate Structures
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Force Method for Analysis of Indeterminate StructuresNumber of unknown Reactions or Internal forces > Number of equilibrium equationsNote: Most Structures in the real world are statically deflections for similar members Redundancy in load carrying capacity (redistribution) Increased stability AdvantagesDisadvantagesMore material => More Cost Complex connections Initial / Residual / Settlement Stresses methods of Analysis (i) Equilibriumof forces and moments(ii) Compatibilityof deformation among members and at supports(iii) Materialbehavior relating stresses with strains(iv) Strain-displacement relations(v)
Advantages Disadvantages •More material => More Cost •Complex connections •Initial / Residual / Settlement Stresses Methods of Analysis ... Virtual Work done by a system of forces P B while undergoing displacements due to system of forces P A is equal to the
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