Transcription of Structural Analysis: Space Truss - IIT Guwahati
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Structural Analysis: Space Truss - IIT Guwahati
Structural Analysis: Space TrussSpace Truss -6 bars joined at their ends to form the edges ofa tetrahedron as the basic non-collapsible unit-3 additional concurrent bars whose ends are attached to three joints on the existing structureare required to add a new rigid unit to extend the center lines of joined members intersect at a point Two force members assumption is justified Each member under Compression or TensionA Space Truss formed in this way is called a Simple Space Truss1ME101 -Division IIIK austubh DasguptaSpace Truss Analysis: Method of Joints Method of Joints All the member forces are required Scalar equation (force) at each joint Fx= 0, Fy= 0, Fz= 0 Solution of simultaneous equations2ME101 -Division IIIK austubh DasguptaSpace Truss Analysis: Method of Sections Method of Sections A few member forces are required Vector equations (forceand moment) F =0, M =0 Scalar equations 6 nos.
Space Truss Analysis: Method of Joints • Method of Joints –All the member forces are required –Scalar equation (force) at each joint • F x = 0, F y = 0, F z = 0 –Solution of simultaneous equations ME101 - Division III Kaustubh Dasgupta 2
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