
BBD Testing Services
The Benkelman Beam Test is a widely usednon-destructive testing (NDT) method to evaluate the structural integrity of flexible pavements. It measures how much a road surface deflects under a standard wheel load, helping engineers assess pavement strength and predict future performance.


Why is the Benkelman Beam Test Used?
1. Evaluating Pavement Strength
- Determines the load-bearing capacity of a road by measuring its surface deflection.
- Helps assess if the pavement can support existing and future traffic loads.
2. Identifying Structural Weaknesses
- Detects pavement distress, weak subgrade conditions, moisture damage, and fatigue before visible failures occur.
- Helps prevent costly potholes, cracks, and rutting by identifying problem areas early.
3. Optimizing Maintenance & Repairs
- Provides data to determine whether a road needs an overlay, strengthening, or complete reconstruction.
- Helps in designing the right pavement thickness to extend the lifespan of the road while minimizing maintenance costs.
4. Essential for Pavement Overlay Design
- The measured deflection values help engineers design appropriate overlay thickness for road strengthening.
- This test aligns with IRC 81-1997 (Indian Roads Congress) guidelines for pavement rehabilitation.
Optimize pavement design with accurate deflection analysis. Extend road life with data-driven insights
Reach out todayAdvantages
- Accurate & Reliable – Provides direct deflection readings.
- Cost-Effective – Helps in planning repairs efficiently, reducing maintenance costs.
- Portable & Easy to Conduct – Requires minimal setup.
- Non-Destructive Method – No drilling or coring needed, preserving pavement integrity.
Utilization
- Flexible Pavement Assessment – Determines if roads require strengthening.
- Highway and Urban Road Maintenance – Assists in pavement life-cycle management.
- Post-Construction Quality Control – Ensures pavement meets design standards.