📋 Case Study

High-Rise Office Tower in Seattle – SMF Beam-Column Connections

Ensuring ductile behavior under MCE-level ground motion while meeting architectural clear height constraints

🏗️ Project Overview

32-story steel-framed office tower with seismic design category D

🎯 Challenge

Ensuring ductile behavior under MCE-level ground motion while meeting architectural clear height constraints

🔧 Design Approach

Reduced Beam Section (RBS) connections with prequalified details per AISC 358, supplemented by full-scale cyclic testing validation

📐 Design Diagram

L = 12.6 in Mₙ/Mₚ = 1.14 MCE Ground Motion Clear Height Constraint RBS + AISC 358 Cyclic Validation RBS Detail