- Detection of voids in the concrete columns Voids within concrete columns are detected using ultrasound pulse velocity (UPV) testing, a non-destructive method. The speed at which sound waves travel through the concrete is measured.
- Here’s how voids are detected:
- Sound wave speed: Sound waves travel faster through solid concrete than through air. When a void is encountered, their speed changes.
- Analysis: Areas where the speed is slower, indicating the presence of voids, are identified by technicians analyzing the time it takes for the sound waves to travel through the column.
- The integrity of concrete columns is assessed with UPV testing, a valuable tool, as voids can weaken the structure and compromise its safety.
