IStructE Apr 2021 solution Question 5

Industrial Steel Piperack with Roadway Truss & Comparative Foundation Schemes

Solution Overview

This solution compares two structural schemes for an industrial steel piperack. Scheme 1 features a steel truss spanning a roadway supported by pad foundations, while Scheme 2 utilizes a sway frame with deep plate girders and strip foundations.

Key engineering challenges addressed include wind loading, corrosive environments, and varying soil bearing capacities. Detailed calculations cover beam and column sizing (UB/UC sections), truss member design, wind pressure, and deflection limits. Foundation design includes both pad and strip options.

Deliverables include schematic plans, elevations, connection details (welded and bolted), and a professional recommendation letter comparing the schemes' efficiency and cost-effectiveness.

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