Lab Test
Grading of Soils

The Grading of Soils test determines the particle size distribution of a soil sample, which is essential for understanding its compaction properties, permeability, and suitability for construction purposes.

The Process

  1. Sample Preparation: A representative soil sample is collected and prepared for sieving.
  2. Sieving: The soil sample is passed through a series of standard sieves with varying mesh sizes. The soil particles are separated based on their size as they fall through the sieves.
  3. Weighing and Calculation: The amount of soil retained on each sieve is weighed. The results are used to calculate the percentage of soil passing through each sieve, which is then plotted on a grading curve.
  4. Analysis: The grading curve is analyzed to determine the soil’s classification and to assess its suitability for specific construction applications, such as foundations, roads, or embankments.

Why Is This Test Important?

  • Soil Classification: Helps classify soils based on their particle size distribution, which influences their suitability for different engineering applications.
  • Construction Suitability: Determines the soil’s compaction and permeability properties, essential for road construction, foundations, and earthworks.
  • Quality Control: Ensures that the soil meets the specifications for strength, stability, and drainage.

The Grading of Soils test is a key method for determining the characteristics of soil used in construction, ensuring materials meet the required standards. Contact us for expert testing services.

Get in Touch
Back to all tests

View more Earthworks testing services:

View all
Earthworks

Dynamic Cone Penetration (TRL-DCP)

Lab Test
Site Test
Mobile Site Test
Rapid measurement of the in-situ strength of existing flexible pavements constructed with unbound materials.
Earthworks

In-Situ California Bearing Ratio (CBR)

Site Test
Mobile Site Test
Penetration of soil with a plunger over a standard area. The harder the surface, the higher the CBR percentage.
Earthworks

Constituents of Course Recycled Aggregates

Site Test
Ensure the quality and compliance of recycled aggregates with our constituents analysis, supporting sustainable and reliable construction practices.
amtest logo white

AMTEST UK Ltd delivers top-tier services to civil engineering and infrastructure clients across the UK, backed by expert in-house concrete consultants.

Unit A 2D/6, Project Park, North Crescent, London E16 4TQ

Lab Test
Grading of Soils

The Grading of Soils test determines the particle size distribution of a soil sample, which is essential for understanding its compaction properties, permeability, and suitability for construction purposes.

The Process

  1. Sample Preparation: A representative soil sample is collected and prepared for sieving.
  2. Sieving: The soil sample is passed through a series of standard sieves with varying mesh sizes. The soil particles are separated based on their size as they fall through the sieves.
  3. Weighing and Calculation: The amount of soil retained on each sieve is weighed. The results are used to calculate the percentage of soil passing through each sieve, which is then plotted on a grading curve.
  4. Analysis: The grading curve is analyzed to determine the soil's classification and to assess its suitability for specific construction applications, such as foundations, roads, or embankments.

Why Is This Test Important?

  • Soil Classification: Helps classify soils based on their particle size distribution, which influences their suitability for different engineering applications.
  • Construction Suitability: Determines the soil's compaction and permeability properties, essential for road construction, foundations, and earthworks.
  • Quality Control: Ensures that the soil meets the specifications for strength, stability, and drainage.

The Grading of Soils test is a key method for determining the characteristics of soil used in construction, ensuring materials meet the required standards. Contact us for expert testing services.