SkillsLib.ai

Steel Connection Design Analyzer

Analyze steel connections against AISC code with load paths and failure modes

3.9(23 reviews)
100+ downloads
Updated Nov 2026
Verified SafeSecurity VerifiedThis skill was analyzed by our AI security scanner for harmful content including data exfiltration, system manipulation, credential theft, and prompt injection. No threats were detected.

What You Can Do

You can systematically evaluate connection capacity against applied loads, identify governing failure modes, and verify AISC 360 compliance. The skill generates professional design documentation including load path diagrams, capacity calculations, and engineering justifications that are ready for peer review, permit submissions, and inspector scrutiny.

Features

Connection capacity evaluation

assesses bolted and welded connections against applied moment, shear, and tension loads

Failure mode identification

systematically evaluates bolt shear, bearing, tension, weld rupture, block shear, and gusset plate failure

AISC 360 code compliance

verifies design against current AISC standards and industry best practices

Load path generation

produces clear visual descriptions of force flow through connection components

Design narrative production

creates structured engineering justifications with calculations and assumptions

Connection comparison

evaluates multiple design concepts to support value engineering and optimization decisions

Modification assessment

validates changes to standard connection details with capacity verification

Example Output

Example 1: Moment Connection Analysis

Connection Type: Welded moment connection, W24×68 to W24×68 Applied Load: 450 kip-ft moment, 80 kips shear

Load Path: Moment splits into tension/compression couple in flanges → top flange tension (225 kips) to top weld → bottom flange compression (225 kips) to bottom weld → shear transferred through web welds

Failure Mode Check:

  • Flange weld capacity (E70 fillet, 5/8"): 312 kips > 225 kips ✓
  • Web weld capacity (E70 fillet, 1/2"): 180 kips > 80 kips ✓
  • Gusset plate bearing: 95 kips > 80 kips ✓

Governing Failure Mode: Weld rupture (lowest capacity margin)


Example 2: Bolted Shear Connection Assessment

Connection Type: Double-angle connection, 9/16" A325 bolts Applied Load: 120 kips shear

Capacity Summary:

  • Bolt shear (8 bolts, 2 planes): 224 kips ✓
  • Bolt bearing (3/8" gusset): 156 kips ✓
  • Block shear (angle leg): 142 kips ✓
  • Angle leg rupture: 165 kips ✓

Recommendation: Connection adequate; consider bolt arrangement for better eccentricity distribution in high-seismic zones

What's Included

  • SKILL.md instruction file with detailed analyzer configuration:
  • Connection capacity worksheet template for standard connection types (moment, shear, tension):
  • Failure mode checklist covering bolt shear, bearing, tension, weld rupture, block shear, and gusset plate:
  • Load path diagram framework with notation conventions for clarity:
  • Design narrative template structured for permit submissions and peer review:

Who It's For

  • Structural engineers designing building frame connections and preparing shop drawing submittals
  • Structural technicians documenting connection design for permit packages and field verification
  • Junior engineers learning systematic connection design methodology and code compliance verification
  • Design engineers conducting value engineering reviews and comparing connection concepts
  • Forensic engineers assessing modifications to existing connection details and capacity issues

Best For

  • Designing bolted and welded moment, shear, and tension connections in steel frames
  • Verifying connection adequacy during design revisions and constructability reviews
  • Generating design narratives and calculations for building permit submissions
  • Evaluating modifications to standard connection details with capacity assessment
  • Documenting design decisions and failure mode rankings for project records and audits

You might also like

Geotechnical Soil Analysis & Foundation Recommendation Generator
$40
Geotechnical Soil Analysis & Foundation Recommendation Generator

You can transform raw geotechnical field data into professional-grade site investigation reports that include soil classification using USCS standards, bearing capacity calculations, settlement predictions, and specific foundation design recommendations. The skill organizes stratigraphic information across multiple boring locations, cross-references laboratory test results, and produces defensible conclusions compliant with IBC, ASCE 7, and local building codes—suitable for building officials, structural engineers, and construction teams.

Traffic Safety Impact Assessment Analyzer
$45
Safety4.0(35)
Traffic Safety Impact Assessment Analyzer

You can conduct comprehensive safety impact assessments for any transportation design intervention—from intersection redesigns to speed reduction corridors. The skill guides you through hazard identification, risk quantification using established methodologies (conflict studies, crash prediction models), and evidence-based mitigation development. You'll produce defensible safety documentation suitable for audits, litigation, and project approvals.

Pavement Design Analysis & Validation
$45
Pavement Design Analysis & Validation

Quickly evaluate pavement design scenarios using AASHTO 1993 methodology to calculate required structural thickness for flexible (asphalt) and rigid (concrete) pavements. Analyze traffic loading by computing Equivalent Single Axle Loads (ESALs), assess subgrade conditions through CBR interpretation, and compare multiple design alternatives with different material combinations to optimize cost and performance. Generate preliminary design documentation with technical justification for client presentations and design reports.

Residential Code Compliance Analyzer
$35
Residential Code Compliance Analyzer

This skill cross-references your residential design specifications against jurisdiction-specific building codes (IBC, IRC, local amendments) to identify code violations, ambiguous details inspectors will challenge, and compliance documentation gaps. You can validate designs across multiple jurisdictions, evaluate design trade-offs (fire-rating vs. acoustic performance), and generate compliance narratives that support permit applications—all before formal submission.

Interior Space Planning Optimizer
$45
Interior4.0(24)
Interior Space Planning Optimizer

You can input room dimensions, functional requirements, and design constraints to receive optimized furniture layouts with documented traffic flow patterns and compliance verification. Claude analyzes competing spatial demands—usable area, sightlines, egress, zoning—and produces data-driven plans that satisfy functional, regulatory, and aesthetic objectives simultaneously. This accelerates initial space planning and helps identify conflicts before costly revisions.

Voice Dna Creator
$40
Voice Dna Creator

This skill deconstructs your writing samples to identify the specific patterns, personality markers, emotional range, language quirks, and formatting habits that make your voice uniquely yours. You'll receive a detailed voice DNA profile that includes your core communication style, signature phrases, emotional tone, formality level, and what you actively avoid—creating a blueprint that AI systems can use to replicate your authentic voice consistently across projects, platforms, and content types.

Earth Retention System Designer
$35
Earth Retention System Designer

Design earth retention systems by inputting soil properties, site geometry, and regulatory requirements. Claude calculates lateral earth pressures using Coulomb, Rankine, and Mononobe-Okabe methods, verifies factors of safety for internal and external stability, compares competing retention concepts (gravity walls, cantilever, anchored, sheet-pile, soil-nail), and generates cost-benefit analysis and regulatory documentation packages ready for permit submission.

Screenpipe Api
$25
Backend4.4(49)
Screenpipe Api

Query your local Screenpipe instance to retrieve screen recordings, audio transcriptions, UI element accessibility trees, keyboard/mouse input logs, and productivity analytics. You can search by keywords, filter by content type (audio, OCR, accessibility, input), set time ranges, and extract structured data about your applications, meetings, and work sessions without sending data to external servers.

$35.00