Report No. CCEER-84-1A simple nonlinear model (called the Q-Model) for seismic displacement history analysis of reinforced concrete plane frames was implemented on a Commodore 64. This manual presents a brief description of the model (see the Appendix) and outlines the procedure to use the model. It is assumed that the user is familiar with the derivation of the properties of the Q-Model. Two examples are presented to demonstrate the input preparation and the resulting output (Abstract by authors)
