Seismic Design Analysis Assistant
Evaluate seismic design parameters and generate code-compliant lateral load analysis
What You Can Do
You can structure complex seismic analyses by organizing site-specific parameters (soil class, risk category, spectral accelerations), cross-referencing design codes to establish force requirements, comparing ELF versus modal analysis approaches, and identifying critical connection vulnerabilities. Claude helps you synthesize analysis results into compliance-verified design narratives that withstand peer review and permitting scrutiny.
Features
systematize soil characteristics, seismic hazard data, and building risk categories for code application
cross-reference ASCE 7, NEHRP, and IBC requirements to establish lateral force demands and response modification factors
organize ELF and modal analysis comparisons to verify member adequacy and system performance
identify critical force transfer paths and potential redundancy gaps in lateral resisting systems
review critical details, fastening, and detailing for seismic performance and failure risk
create structured narratives explaining design decisions for peer review and regulatory compliance
assess existing structure vulnerabilities and compare upgrade approaches against seismic objectives
Example Output
Example 1: Design Force Calculation Summary
- Building Risk Category: II (Standard occupancy, Occupancy Importance Factor Ie = 1.0)
- Site Class: D (Stiff clay/sand, Ss = 1.2g, S1 = 0.4g)
- Structural System: Special Moment Resisting Frame (R = 8, Cd = 5.5, ωo = 1.0)
- Design Spectral Acceleration: SDS = 0.72g; SD1 = 0.24g
- Base Shear (ELF): V = 0.48W (confirming modal analysis results ✓)
Example 2: Demand/Capacity Assessment
- Column P/Py Ratio: 0.35 (adequate margin for flexural yielding)
- Beam-Column Connection Shear Capacity: 1.4× demand (governs panel zone design)
- Story Drift Check: 1.1% < 1.5% limit (ductile response maintained)
Example 3: Compliance Documentation Extract Seismic force demands established per ASCE 7-22 Chapter 12 (ELF Method). Response modification factor R = 8 applied per Table 12.2-1 for SMRF systems with special detailing. Capacity verification confirms member yielding occurs in beams before columns, achieving intended plastic mechanism.
What's Included
- SEISMIC-DESIGN-ANALYSIS-ASSISTANT.md: complete skill instruction file with methodology framework
- Seismic Design Checklist: systematic verification steps for parameter organization, code application, and compliance confirmation
- Demand/Capacity Analysis Template: structured comparison format for ELF vs. modal results with capacity margin documentation
- Code Compliance Reference Matrix: quick-lookup table for ASCE 7, NEHRP, IBC requirements by building type and structural system
- Design Justification Narrative Framework: structured outline for peer review documentation and permitting submissions
Who It's For
- Structural engineers conducting new seismic designs or major retrofits
- Design leads coordinating multidisciplinary lateral load analysis on mid to large-scale projects
- Junior engineers learning seismic code application and design verification workflows
- Peer reviewers validating third-party seismic analyses and design assumptions
- Project managers preparing design packages for permitting and stakeholder approval
Best For
- Initial seismic design strategy development for new buildings
- Organizing FEA results into code-compliant design documentation
- Value engineering lateral systems while maintaining seismic performance targets
- Reviewing existing structure vulnerabilities for retrofit prioritization
- Training junior engineers on ASCE 7 application and design verification methods
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