Geolab geotechnical testing

Key Services

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Benkelman Beam Testing

Benkelman beam testing is a cost-effective means of testing conformance on new construction or testing short lengths of existing roads to determine the areas that require rehabilitation treatment. GeoLab has two purpose-built Benkelman Beam Testing trucks in operation to service your projects from Northland and Auckland down to the Bay of Plenty, Waikato, and the Taupo region. We are certified to perform the Benkelman beam test and have experienced engineering staff to provide you with accurate data. Please contact us if you would like more information. 

Specialty Testing

Our technicians are experts at conducting tailored and specialised tests to address potential issues in all sorts of unique and unpredictable environments. By determining the mix of sand, silt or clay in the soil, we can establish the predicted behaviour of the soil for water retaining structures and landfill leachate containment systems to ensure that the designs are all set for safe operations. 

GeoLab’s specialty testing includes: 

  • Triaxial compression tests
  • Shrink Swell Test
  • Hydrometer PSD test
  • Consolidation tests
  • Permeability tests

Nuclear Densometer (NDM) Testing

The level of compaction of soil or aggregate in Civil Engineering applications is determined by density and water content testing. An NDM test is a rapid, repeatable way of determining moisture density, water content, void ratio, and air voids. It’s especially useful for density and moisture testing in soils, aggregates and asphalts down to a depth of 300mm. GeoLab has several NDM testing devices available so please contact us to discuss how we can help you with your project in Auckland, the Waikato, or Bay of Plenty. 

Soil and Aggregate Testing

Soil testing measures strength and compressibility properties for the design of foundations, slopes and embankments according to New Zealand Transport Authority standards. The Scala Penetrometer is used to determine the penetration resistance of a soil and it is an extremely useful tool for profiling soil strength at depth. 

Aggregate testing delivers enhanced integrity and reliability of results. It provides size, shape and density analysis as well as strength and durability testing to ensure compliance of aggregates for your construction project. By using the QESTLab LIMS System and quality control software, we can provide the high-quality information you need in a timely manner.