
Steel Connection Design Analyzer
Analyze steel connections for AISC compliance, load paths, and cost optimization
What You Can Do
You can analyze moment connections, simple shear connections, column base plates, and specialty connections used in steel frame construction. The skill evaluates designs against AISC 360 standards and AWS D1.1 welding codes, synthesizes load paths and constructability constraints, and identifies cost-reduction opportunities. It helps you balance structural performance with field execution reality and produces connection details ready for specifications and bid documents.
Features
validates bolt sizes, weld types, and material specifications against current code requirements
traces forces through connection components and identifies critical stress concentrations
evaluates field assembly feasibility, tolerances, and erection sequencing
identifies material reductions, weld elimination opportunities, and bolt consolidation strategies
analyzes moment connections, shear connections, column base plates, and specialty joints
evaluates alternate configurations to recommend optimal solutions
produces clear connection requirements for bid documents and shop drawings
diagnoses fabrication and erection issues related to connection geometry
Example Output
Example 1: Moment Connection Optimization
Connection Type: End-plate moment connection
Current Design: 3/4" bolts (20 ea.), 3/8" welds, W24x68 beam
Compliance: ✓ AISC 360-22, ✓ AWS D1.1 Category B
Issue Identified: Overdesigned bolt pattern; 5/8" bolts sufficient
Recommendation: Reduce to 16 bolts @ 5/8", save 12 lbs steel, reduce labor cost 8%
Constructability: ✓ Erection sequence verified, ✓ Tolerance stackup acceptable
Example 2: Shear Connection Review
Connection Type: Double-angle shear connection
Load Capacity Check: 285 kips demand vs. 310 kips provided ✓
Fastener Analysis: 3/4" A325 bolts in single shear, bearing on beam web
Finding: Beam web bearing controls; consider reduced bolt diameter
Alternate: 5/8" bolts (18 ea.) provide 295 kips, save $420/connection
Field Reality: Reduced bolt count improves erection speed 2 hours/connection
What's Included
- SKILL.md: complete analyzer framework with workflow phases and evaluation criteria
- Connection Classification Matrix: quick-reference table mapping member types to connection details
- AISC Compliance Checklist: verification steps for bolt capacity, weld strength, and code requirements
- Cost Optimization Worksheet: template for comparing alternate configurations and identifying savings
- Specification Template: ready-to-adapt language for connection requirements in bid documents
Who It's For
- Structural engineers designing or reviewing steel frame connections
- Project engineers optimizing connection details during design development
- Fabrication engineers evaluating constructability and field installation sequences
- Detailing technicians preparing connection specifications for contractors
- Estimators analyzing connection costs for bid development or value engineering
Best For
- Moment and shear connection design for steel frame projects
- Code compliance verification against AISC 360 and AWS D1.1 standards
- Constructability assessment and field feasibility evaluation
- Cost optimization and value engineering of existing designs
- Specification development and connection requirement documentation
- Troubleshooting fabrication or erection issues related to connection geometry







