Computer Graphics in Truss‐Model Design Approach

Abstract

The main objective of this paper is to extend and simplify the use of truss models in the design of reinforced concrete members for flexure and shear by means of user‐friendly, interactive computer graphics. An interactive computer‐graphics program, which replaces the traditional drawing board and calculator in the development of truss models for reinforced concrete members, is presented. The interactive program allows the designer to input the selected truss model graphically, then analyze it, display the results and revise the truss model if necessary. The interaction between the graphics and analysis tools was found to be the most efficient method to transfer the truss parameters to the analysis routines. The features of the truss‐model program are demonstrated with the design example of an inverted‐T bent cap in a bridge structure.