Project We Are Proud Of
Slope Protection & Consolidation Works for the Wadi Adai – Al Amerat Road (Phase 1)
Stabilizing Steep Cut Slopes Along a Key Mountain Link in Muscat
Project Overview
Project Details
- Project: Construction of Wadi Adai – Al Amerat Road (Phase 1)
- Location: Wadi Adai – Al Amerat Corridor, Muscat, Sultanate of Oman
- Client: Muscat Municipality – Sultanate of Oman
- Scope: Slope Protection & Consolidation Works
- Quantities Delivered:
- 72,500 m² of Reinforced Mesh
- 1,250 m of Rock Dowels / Anchors
Challenges Identified
- Newly Exposed Rock Faces with Surface InstabilityExcavation revealed weathered layers and loose fragments prone to raveling and surface movement.
- Irregular and Fractured Rock MassGeological discontinuities and variable rock quality required a stabilization system that could conform to and secure uneven surfaces.
- Potential for Localized Rockfall onto Traffic LanesHigh-slope angles increased the risk of block detachment during and after construction.
- Long, Continuous Cut SlopesLarge coverage areas demanded uniform containment to prevent progressive failures.
Solution Implemented:
1. Reinforced Mesh Installation
- •Applied 72,500 m² of reinforced wire mesh to provide surface containment across the newly formed slopes.
- •The mesh conformed tightly to the rock face, preventing raveling and controlling small block movement.
2. Rock Dowels & Anchors
- •Installed 1,250 m of rock dowels/anchors to strengthen fractured or unstable zones.
- •Anchors provided mechanical reinforcement by tying potentially unstable rock layers back into competent mass.
3. Integrated Slope Consolidation
- •Combined mesh containment with targeted reinforcement to create a composite stabilization system.
- •Edge treatments and anchorage systems ensured full continuity of coverage.
Project Outcomes: Slope Protection & Consolidation Works for the Wadi Adai – Al Amerat Road (Phase 1)
Secure and Stable Cut Slopes
The integrated mesh-and-anchor system stabilized weathered and fractured rock surfaces, reducing rockfall risks along the road corridor.
Reliable Protection for a Major Mountain Route
The works ensure safe, predictable slope behavior for motorists traveling between Wadi Adai and Al Amerat.
Improved Long-Term Durability
Structural anchoring reinforced deeper instability zones, while mesh provided durable surface retention.
Adapted to Terrain and Rock Conditions
The system was tailored to match each slope's geometry and geotechnical characteristics, ensuring consistent performance across variable terrain.
Foundation for Future Phases of Road Expansion
The stabilized slopes support the long-term development of the corridor and reduce maintenance needs for the municipality.
Sustainability Development Goals (SDGs) Alignment
Related Services
Consulting Engineering
Vegetative Erosion Control Solutions
Non-Vegetative Erosion Control
Geohazard Mitigation
Slope Stabilization
Foundations & Ground Engineering
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