This project features a steel structure warehouse designed for a client based in the USA, commissioned through Fiverr. The structure was fully modeled and analyzed using ETABS, reflecting real-world engineering standards and client-specific requirements.
Project Overview
The warehouse was designed as a large-span industrial steel structure, optimized for load efficiency and construction economy. The structural system combines steel framing with composite column technology to achieve both strength and ductility.
Structural System & Key Design Features
- Primary Frame: Steel moment-resisting frames with wide-flange (W-shape) beams and girders
- Composite Columns: HSS (Hollow Structural Steel) columns filled with 3,000 psi concrete — a composite system that significantly boosts axial load capacity and local buckling resistance compared to bare steel sections
- Roof System: Steel purlins supporting metal deck roofing, designed for dead load, live load, wind uplift, and snow load per ASCE 7
- Bracing System: X-bracing in the longitudinal bays for lateral load resistance (wind & seismic)
- Foundation: Isolated column footings designed to transfer loads to competent bearing strata
Why Concrete-Filled HSS Columns?
Concrete-filled steel tube (CFST) columns offer several engineering advantages over conventional steel or RC columns:
- The steel tube provides permanent formwork and confinement to the concrete core
- The concrete core delays local buckling of the steel tube walls
- Combined action results in higher load capacity with smaller cross-sections
- Excellent ductility under seismic and dynamic loading
- Faster construction — no need for separate column formwork on site
Design Codes & Software Used
- Analysis & Design Software: ETABS (CSI)
- Design Code: AISC 360 (Steel Design), ACI 318 (Concrete Fill), ASCE 7 (Loads)
- Load Combinations: Per ASCE 7 LRFD load combinations
Project Files (Free Download)
You can access the full ETABS model and related project files via the Google Drive links below:
About This Project
This warehouse model was part of a freelance structural design project completed on Fiverr. The design priorities were clear spans for maximum usable floor area, cost-effective material use, and compliance with US building standards. If you have a similar project or need structural modeling in ETABS, feel free to reach out.
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