Civil and Structural Steel Design Assignment

Assignment Task

Project Brief

Your company has been appointed as the Civil & Structural consultant, PE or QP (Civil), for the development of a five-storey building shown in the Annex. The development consists of a 5-storey commercial building constructed of steel frame. The suspended floors are precast and are supported on structural steel beams.

• The four upper floors (Level 2 to 5) are designed for general office load plus an allowance for moveable partitions.
• The ground floor (Level 1) is used as a retail premises.

The building is provided with a central core containing two lifts, a general staircase, and an access well for services to all floors. The reinforced concrete shear walls enclosing these areas provide lateral stability to the structure as a whole.

An additional fire escape staircase (not shown) will be attached to the outside of the building.

• Structural Design Report The structural design report shall be in the format prescribed by BCA including,
• Design Criteria (refer to BCA requirement)
• Codes/references used
• Design assumptions e.g. Braced frame, simple construction, etc.
• Design parameters e.g. steel grade, imposed loads, etc.

Design of critical members (beams and columns) using Blue Book

• Show that member resistance > Worst load effect, i.e. moment, shear, axial compression etc., for all the critical members.
• Show that allowable deflection > max deflection due to unfactored load on critical beams.

Design of critical members & connections using Green Book

• Beam-to-beam connection
• Beam-to-column connection
• Column base connection

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