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ABSTRACT
This project presents a comprehensive analysis and design of a four-story reinforced concrete frame building using both manual calculations based on the BS 8110-1-1997 code and computer modeling with STAAD Pro software. The building is designed for commercial office use. The design covers the structural components including reinforced concrete slabs, beams, columns, and footings. The methodology involved creating a 3D model of the frame structure in STAAD Pro, assigning appropriate supports, member properties, and loading conditions. Manual calculations were performed following the BS code specifications for determining bending moments, shear forces, and designing the reinforcement details. The analysis focused on the first-floor beams, with moments and shear forces computed using the moment distribution method and STAAD Pro analysis. The results obtainedi from the manual calculations and STAAD Pro were compared, with the coefficient of variation calculated to assess the agreement between the two methods. For end moments, the coefficient of variation was 17%, indicating some variability, while for shear forces, it was 2.7%, suggesting good agreement. In conclusion, the study highlights the importance of manual calculations in structural engineering design while demonstrating the efficiency and accuracy of software tools like STAAD Pro. Recommendations include expanding the analysis to different building types, design codes, and functions to further enhance the understanding of multi-story building design and analysis.
