Structural Pattern Consideration by Evaluating Alternate Arrangement of Structural Mechanisms

This article presents a proportional revision of the structural member’s configuration in design economy by taking into account the alternate arrangement of the structural components in a stare- case design optimization. Three dissimilar kinds of stair namely beamless & slab less stair, doglegged stair with central beam and stair with beams at both ends (traditional stair) is considered here. The structural behavior is dissimilar for each case. An optimize depth for all cases were calculated using a MATLAB based program code, and the stairs were designed for the economical depth. A limit state design was followed for each case taking into consideration optimized design for a building frame for span ranging from 3.0 to 8.0 meters. At the end relative tables for appropriateness of each of the three cases are also discussed. The table is useful for thefield efficacy point of view.