Seismic-Designed Moment Frame — 5-Storey

5 storeys Primary dimension

HEA 340 Section

S355 Steel grade

M. Nakamura Designer

Osaka, JP Location

Five-storey moment-resisting frame designed for high-seismicity region. HEA 340 sections with capacity design per EN 1998-1 §5.2. Column overstrength factor Ω=0.75. Strong-column weak-beam verification. Ductility class DCM, behavior factor q=4.0.

Project highlights

5-storey moment frame
Capacity design EN 1998-1
DCM, q=4.0
Column overstrength Ω=0.75

Eurocode design summary

EN 1998-1 — Seismic designDCM, q=4.0, ag=0.35g

EN 1998-1 §5.2 — Capacity designSCWB ratio > 1.3

EN 1993-1-1 — ColumnClass 1 plastic, buckling curve a

EN 1993-1-8 — Panel zoneV_j,Rd = 540 kN

3 downloadable artefacts

DXF — Elevations + plans AutoCAD R12

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IFC — BIM model IFC 4 × 3

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PDF — Seismic calc note EN 1998-1-3 §5

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Calculation overview

Max column utilization 76.1%

SCWB ratio 1.47

Seismic drift H/250 (SLS), H/150 (ULS)

Panel zone shear 490 kN

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