gabion revetment case study

Documented Success in Erosion Control Projects

Our gabion revetment systems have been proven effective in some of the most challenging environmental conditions worldwide. This collection of case studies demonstrates real-world performance data, engineering solutions, and long-term results across various applications. Each study provides verifiable evidence of gabion technology's effectiveness for permanent erosion control.

Featured Case Studies:

1. Riverbank Protection Project
Columbia River, Oregon USA (2022)

• Challenge: 300m of rapidly eroding riverbank threatening highway infrastructure

• Solution: 3.5m high gabion revetment with geotextile backing

• Results:

  • 100% erosion cessation after 2-year monitoring period

  • Withstood 25-year flood event without damage

  • $2.3M saved compared to concrete alternative

• Technical Data:

  • Stone fill: 150-250mm basalt

  • Wire coating: PVC-coated (0.8mm thickness)

  • Design life: 50+ years

2. Coastal Defense Installation
Norfolk Coastline, UK (2021)

• Challenge: Coastal erosion threatening residential properties

• Solution: Stepped gabion revetment with toe protection

• Results:

  • 90% reduction in erosion rates

  • Survived 3 major storm seasons

  • Enhanced habitat for marine life

• Performance Metrics:

  • Wave energy absorption: 70-80%

  • Settlement: <5mm after 24 months

  • Maintenance: Zero required

3. Highway Slope Stabilization
California Highway 1 (2023)

• Challenge: Rockfall and slope instability along coastal highway

• Solution: Terraced gabion system with drainage integration

• Results:

  • 100% rockfall containment

  • Road closure reduction: 85%

  • Aesthetic approval from coastal commission

• Installation Data:

  • Construction time: 45 days

  • Material usage: 2,800 cubic meters

  • Cost: 40% below budget

Technical Performance Analysis:

Hydraulic Performance

• Velocity resistance: Up to 6 m/s water flow

• Scour prevention: 95% reduction in undermining

• Permeability: Maintains natural groundwater flow

• Sediment retention: Controls loss while allowing passage

Structural Performance

• Settlement: <1% of height after stabilization

• Flexibility: Accommodates 50mm ground movement

• Durability: No corrosion after saltwater exposure

• Stability: Maintains integrity under full saturation

Environmental Impact:

• Habitat Creation: 45% increase in riparian vegetation

• Water Quality: Zero leaching or contamination

• Carbon Footprint: 60% lower than concrete alternatives

• Sustainability: 100% recyclable materials

Project Documentation Available:

• Before/after photography and drone footage

• Engineering calculations and design drawings

• Environmental impact assessments

• Maintenance monitoring reports

• Cost-benefit analysis summaries

Professional Insights:

• Design Considerations: Slope angles, hydraulic loading, material selection

• Installation Techniques: Water-based installation methods

• Monitoring Protocols: Long-term performance tracking

• Problem Solving: Addressing unexpected site conditions

Download Resources:

• Complete Case Study Portfolio (PDF)

• Technical Specification Sheets

• Engineering Calculation Templates

• Project Photography Library

Services Demonstrated:

• Site assessment and analysis

• Custom engineering design

• Installation supervision

• Performance monitoring

• Maintenance planning

Request Specific Case Studies:

1. Riverbank protection projects

2. Coastal defense installations

3. Highway stabilization examples

4. Urban waterway applications

5. International projects