Structural Analysis of Superstructure Using Combined Profiles and Their Effects on Seismic Forces, P-Delta, and Drift in Steel-Concrete Composite Structures
DOI:
https://doi.org/10.20527/bpi.v8i1.286Abstract
This research aims to analyze the effects of combined steel profiles on seismic forces, P-Delta effects, and drift in steel-concrete composite structures. The independent variables include structural profiles (I-Beam and H-Beam), material types (steel and concrete), and design methods (Equivalent Lateral Force and Response Spectrum), while structural responses such as deflection, moment, and shear force are dependent variables. Structural analysis was conducted based on SNI 2847:2019 (concrete structures), SNI 1726:2019 and ASCE 7-19 (seismic loads), AISC 360-10 (steel structures), and SNI 1727:2013 (loading criteria). Results indicate that combining two efficient profiles increased seismic shear forces due to the larger cross-sectional area of the H 100.100 profile compared to H 150.75, resulting in higher weight but better resistance (lower P-M ratio). Additionally, performing P-Delta analysis is essential for evaluating second-order deformation effects, and drift checks are mandatory according to seismic codes to ensure structural performance and comfort. Keywords: Equivalent Static, Response Spectrum, Seismic Design, Steel-Concrete Composite Structures.References
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