Terms and response:
Workflow
- Software (FEM)
- Modelling
- Assigning Property
- Loads
- Analysis
- Remedies
- Summary report/Analysis report
Methodology:
- Input analysis and data validation
- Pipeline modelling with soil properties using FEM for locations
- Analysis of load on pipeline
- Vehicle Load Value implementation (with impact factor) based on the frequency of the Vehicle movement
- Model Simulation result analysis for various loads in different depth of the corridor
- Remedies (crash barriers, corrugated barriers, restraint systems, Speed Bumper etc)
Check list for site survey:
- Technical survey.
- Current Pipe condition.
- Exposed and buried pipe lines near to roads. (Distances and level of pipe)
- Frequency of vehicles. Statistical data pertaining to be analysed as part of study.
Analysis method using FEM
Input Required
- Soil test report.
- Seismic zones data.
- Shop drawings (ie)
â–ª Location of pipeline
• Pipe diameter and thickness
• Levels of pipe
• Material property
• Thickness of soil bed
• Width of the corridor
• Longitudinal profile of corridor
Output
- Measured Stress analysis compared to allowable stress.
- Risk-based analysis and Remedies.