Predictive Calculation for Deflections of Reinforced Concrete Floor Slab Systems ―Part 1 Procedure―

In this report, we incorporate equations for a respective estimation of causally different types of deflection for r.c. beams and one-way slabs into our system for the deflection calculation of two-way floor structures, so that, after the system has been suitably modified, it may be of extended and generalized use for examining such structures. This permits us to express chronic (or longtime) deflection as the total effect of a variety of agents. Then, we examine whether and how the actually observed chronic transition of slab behaviors is consistent overall with their follow-up predictions established by our procedure, and we test its utility by resorting to some available previous test examples of slab models under sustained service loading. We note that our system can be maintained in practice