Inspection des infrastructures civiles 18 points
Rockfall & Slope Stability Assessment
Cette liste de contrôle est en anglais.
Roadside rock slope and embankment assessment using rockfall hazard rating factors to document slope geometry, geology, ditch effectiveness, and history.
FHWA Rockfall Hazard Rating System (RHRS)FHWA-SA-93-057 Rockfall Hazard RatingAASHTO Geotechnical Guidance
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Site Information
- Slope ID / route and milepost *
- Date of assessment *
- Slope height (ft)
- Slope type (rock cut, mixed, soil, embankment)
Slope Geometry & Roadway
- Is the slope angle and height documented for the hazard rating? *
- Is decision sight distance adequate for drivers to react to fallen rock? *
- Is roadway width (shoulder + lane) sufficient for avoidance maneuvers?
- Average vehicle risk / traffic exposure noted?
Geologic Character
- Are adverse joint orientations, bedding, or discontinuities present? *
- Is differential erosion or undercutting of weak layers observed?
- Is there evidence of water on the slope or seepage from joints?
- Estimated maximum block size (ft)
Catchment & Mitigation
- Is the catchment ditch effective at retaining rockfall (per Ritchie criteria)? *
- Are existing mitigation measures (mesh, bolts, barriers, shotcrete) intact?
- Is rockfall history/frequency at this location documented? *
Rating & Priority
- Preliminary RHRS score
- Is this slope recommended for detailed rating or mitigation design? *
- Notes and recommendations
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