Dead Load (DL)
Self-weight of structures, crossarms and accessories.
Load Calculation
Accurate Analysis. Reliable Design. Safe Performance.
Accurate load analysis provides the foundation for safe and economical transmission line, steel pole and substation structure design.
Ensure SafetyOptimize DesignComply StandardsAdvanced Analysis
Ensure SafetyReliable under all loads
Optimize DesignEconomical solutions
Comply StandardsInternational codes
Advanced AnalysisProfessional methods
Load Types Considered
All actions expected during construction and service life are evaluated.
Conductor Load (LL)
Conductors, shield wires, insulators and fittings.
Wind Load (WL)
Wind pressure on structures and line components.
Ice Load (IL)
Ice accretion on conductors and structures.
Seismic Load (EL)
Earthquake effects by seismic zone and site class.
Temperature Load (TL)
Member forces from temperature variation.
Construction Load (CL)
Temporary loads during erection.
Load Calculation Workflow
A transparent, review-driven process from project input to final delivery.
01Data CollectionSite and project parameters
02Load InputDefine code-based actions
03Load CombinationStrength and stability cases
04AnalysisAdvanced structural software
05Result CheckForces, displacement and utilization
06Report OutputCalculation report and design basis
Calculation Methods
- Equivalent static analysis for regular structures
- Dynamic analysis for complex wind or seismic response
- Strength, stability and serviceability checks
- Time-history or response-spectrum methods where required
- Independent result review and verification
Calculation Software
- SAP2000
- ETABS
- STAAD.Pro
- ANSYS
- PLS-CADD
- Project calculation spreadsheets
0.87Maximum Utilization
95.4 mmTop Displacement
412.6 kNMaximum Base Shear
SAFE220kV Example Result
Standards & Software
IEC 60826ASCE 10GB 50545ANSI 360EN 1993
220kV Angle Tower — Load Summary
Reference values from customer-provided technical content; actual results vary by project.
| Load Type | Description | Result | Status |
|---|---|---|---|
| DL | Dead Load | 152.6 kN | Checked |
| LL | Conductor Load | 96.3 kN | Checked |
| WL | Wind Load | 287.4 kN | Checked |
| IL | Ice Load | 148.7 kN | Checked |
| EL | Seismic Load | 135.2 kN | Checked |
| TL | Temperature Load | ±32.5 kN | Checked |
Accurate Analysis. Reliable Design. Safe Performance.
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