What Is Pile Load Testing?
Pile load testing is an engineered procedure used to confirm the actual load capacity of a foundation pile before or after installation. This process is essential for deep foundations — including driven piles, helical piers, and cast-in-place elements — to validate design assumptions and support long-term structural performance.
During a load test, a calibrated hydraulic jack applies incremental load to a pile while an engineered reaction frame resists the force. Measurements are taken at each stage to develop a load-settlement curve, which a qualified engineer interprets to determine real-world capacity and structural behavior. Testing procedures are governed by applicable ASTM standards, ensuring reliable results and compliance with engineering specifications.
Why Load Testing Matters
Verification of actual pile capacity reduces risk, ensures construction quality, and provides confidence for engineers, owners, and project stakeholders — especially on critical infrastructure, high-occupancy structures, and heavy load conditions.
