Elementary Structural Analysis

assumed axial force bar forces due Bascule bridge bending moment bending-moment curves bridge cable Castigliano's second theorem chord column compression computed concentrated load considered construction cross section dead bar forces dead load deflection deformation diagonals diagram displacement end moments equal equations of static example Figure force in bar force polygon forces acting forces F1 frame funicular polygon girder Hence hinge indeterminate structures influence line lb per ft line of action load is applied manner method of joints obtained ordinates panel load panel point plane portion position primary structure Problem Q forces resultant rigid rotation shear and bending-moment shear in panel shown in Fig simple truss slope solution span static equilibrium statically determinate stress analysis structural engineering structure of Fig tension theorem tion truss of Fig unit load unknown bar forces vector vertical components vertical deflection zero ΕΙ ΣΜ