Non-Destructive Testing and Evaluation

  STS offers specialized non-destructive testing and evaluation of construction materials as an integral part of our comprehensive field construction services for new and existing structures. STS employs the most widely used techniques and equipment.

  • Infrared, Nuclear Moisture Meters and Moisture Probes to Diagnose Roof Leaks
  • Temperature Gauges for Monitoring Field Curing of Concrete
  • Maturity Testing and Tracking for In-Situ Concrete Strength Determination
  • Half-Cell Potential, Resistivity and Rate-of-Corrosion Tests to Identify Areas of Active or Potential Corrosion
Magnetic and Electro-Magnetic
  • Impulse Radar to Define Rebar Location and Subsurface Anomalies
  • Magnetic Particle Equipment to Locate Fatigue Cracks and Evaluate Steel and Weld Soundness
  • Pachometers (Covermeters) to Determine Location and Size of Reinforcing Bars, and/or to Determine Depth of Cover Concrete
  • Ground Penetrating Radar to Locate Buried Utilities, Tanks, and Structures
  • Ultrasonic Testing Including Full Penetration Welds and Steel Thickness Determination
Acoustic and Dynamic
  • Pulse Velocity and Impact Echo Equipment for Detecting Delaminations and Voids
  • Seismographs for Monitoring Blasting and Dynamic Loading Conditions
  • Impulse Echo and Spectral Analysis for Integrity Testing of Piles and Drilled Shaft Foundations
  • Sonic Logging for Assessment of Material Quality
  • Parallel Seismic Test for Evaluation of Foundation Type and Depth Beneath Structures
  • Vibration Analysis for Sensitive Equipment Installations
  • Mechanical Impedance Test for Location of Voids, Assessment of Support Conditions, Evaluation of Exterior Cladding Masonry, and Panel Integrity and Fixing
  • Transient Dynamic Response for Integrity and Fixation Evaluation in Structures
  • Pullout and Windsor Probe for In-Situ Concrete Strength Assessments
  • Dye Penetrant and Brittle Coatings to Locate Fatigue Cracks
  • Optical Borescopes to Determine Existing Condition
  • Vacuum Uplift and Negative Pressure Chambers to Measure Air and Water Infiltration into Building Envelopes
  • Resistive and Vibrating Wire Strain Gages to Assess Structural Behavior and Load Distribution
  • Crack Microscopes, Crack Monitors and Displacement Micrometers to Assess Structural Movement and Crack Propagation