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121 resultsPage 6 of 11

  • NatTest LabSoil and earthworks testing

    Moisture Content Test

    Moisture content testing measures water content relative to the dry mass of a soil sample. Results support soil classification and compaction assessment.

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  • NatTest LabStructural investigation and NDT

    Multichannel GPR Mapper testing

    Multichannel ground-penetrating radar surveys to investigate buried utilities and subsurface features. Detection depth and resolution depend on the ground, target and survey conditions.

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  • NatTest LabStructural monitoring

    Noise Monitoring

    Noise monitoring records sound levels over the agreed period. Results support comparison with applicable project or environmental criteria.

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  • NatTest LabStructural investigation and NDT

    Non-Destructive Testing

    Non-destructive testing to investigate materials and structural components. The method is selected for the material, access and inspection objective.

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  • NatTest LabAggregate and sand testing

    Organic Impurities Test

    Organic impurities testing screens fine aggregate for potentially harmful organic matter. Further testing may be required to assess its effect on concrete.

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  • NatTest LabSteel and mechanical testing

    PC Strand Tensile Test

    Tensile testing measures the strength and elongation of prestressing strand. The required properties and method are agreed against the strand specification.

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  • NatTest LabStructural repair

    PU Grouting and Compaction Grouting

    PU injection is used to seal selected cracks and leaks. Compaction grouting uses a different grout process to improve loose ground. Select the method after assessing the defect or ground condition.

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  • NatTest LabSoil and earthworks testing

    Particle Density Test

    Particle density testing measures the density of soil solids. Results support calculations of soil volume relationships and related properties.

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  • NatTest LabAggregate and sand testing

    Particle Density and Water Absorption Test

    Testing determines aggregate particle density and water absorption. The procedure depends on whether the sample is fine or coarse aggregate.

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  • NatTest LabSoil and earthworks testing

    Particle Size Distribution

    Particle-size analysis determines the distribution of soil sizes. Sieve and hydrometer methods are selected for the sample’s coarse and fine fractions.

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  • NatTest LabAggregate and sand testing

    Particle Size Distribution Test

    Particle-size analysis measures aggregate grading by separating material into specified sieve sizes. Results support mix design and material checks.

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  • NattestGeoInstrumentation and monitoring

    Piezometer Monitoring

    Piezometer monitoring measures groundwater level or pore-water pressure, depending on the instrument. The type and reading schedule are selected for the monitoring plan.

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Scope and availability are confirmed before work is arranged.