Abstract
The focus of this article is analysis of a truss by including the semi-rigidity of the truss joints using fictitious members. Results from simulating the semi-rigid connection with fictitious members are compared with results from analyses made with the following truss joint connection assumptions: 1) pin connection; 2) rigid connection; 3) the Truss Plate Institute (TPI) specification for truss analysis; and 4) semi-rigid connection simulated by modifying the fixed-end forces and element stiffness matrices. Sensitivity analyses were conducted to examine the effect of: 1) truss slope; 2) axial and rotational stiffnesses of the joints; and 3) random assignment of modulus of elasticity (MOE) for truss members on the maximum truss deflection, and maximum axial force and bending moment of members as determined by the fictitious member method.
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