Description:

• Water Content of Soil (BS EN ISO 17892-1: 2014)
• Moisure Content of Soil (BS1377: Part 2: Clause 3.2: 1990)

Results given:

• Water or moisture content (as % of water to dry mass)

You provide:

• No information required

Typical use(s):

• Basic material property

Material required:

• Fine grained – 50g
• Medium grained – 300g
• Coarse grained – 3kg

Dry Density/Moisture Content Relationship

Description:

• Dry Density Moisture Content Relationship using:
  5kg hammer in a 1 litre mould (Proctor) (BS1377: Part 4: Clause 3:3 1990)
  2.5kg hammer in a CBR mould (BS1377: Part 4: Clause 3.4: 1990)
  4.5kg hammer in a 1 litre mould (Proctor) (BS1377: Part 4: Clause 3.5: 1990)
  4.5kg hammer in a CBR mould (BS1377: Part 4 Clause 3.6: 1990)
  Vibrating hammer (BS1377: Part 4: Clause 3.7: 1990)

Results given:

• Optimum moisture content
• Dry density at OMC

You provide:

Specify which method is required

• 5kg compactive effort
• 5kg compactive effort
• Vibrating hammer

Typical use(s):

• Determining what density may be achievable on site using earthworking equipment
• Used in conjunction with other tests to find out what envelope of conditions give suitable end results

Material required:

Particles susceptible to crushing

• Less than 5% of material larger than 20mm: 15kg
• More than 5% of material larger than 20mm: 40kg

Particles not susceptible to crushing

• Less than 5% of material larger than 20mm: 6kg
• More than 5% of material larger than 20mm: 15kg

Description:

• California Bearing Ratio (BS1377: Part 4: Clause 7: 1990)

Results given:

• California Bearing Ratio

You provide:

• Remoulding conditions, if not undisturbed
• If sample is to be soaked

Typical use(s):

• Determining suitability of ground for intended road/pavement design/specifications

Material required:

• 6kg, if remoulded
• Full CBR mould, if undisturbed (with prepared ends, or protruding sample)

• Electrical Resistivity/Conductivity on undisturbed specimen
• Electrical Resistivity/Conductivity on remoulded specimen
• Thermal Conductivity of undisturbed specimen
• Thermal Conductivity of remoulded specimen and soft rock
• Thermal Conductivity of hard rock core
• pH
• Sulphate – Total
• Sulphate – Water Soluble
• Sulphate – Groundwater
• Organic Content
• Loss on Ignition
• Carbonate
• Chloride – Water Soluble
• Chloride – Acid Soluble
• BRE Digest SD1 : 2005 Concrete Aggressivity Suite – (Suite A)

All sites suite (not ‘Brownfield’ or pyritic sites)
(Tests performed are Water Soluble Sulphate, and pH determination)

• BRE Digest SD1 : 2005 Concrete Aggressivity Suite – (Suite B)

All sites suite (not ‘Brownfield’ but may contain pyrites sites)
(Tests include Total Sulphate, Water Soluble Sulphate, Total Sulphur, pH determination)

• BRE Digest SD1 : 2005 Concrete Aggressivity Suite – (Suite C)

Brownfield sites (but not containing pyrites)
(Tests include Total Sulphate, Water Soluble Sulphate, Total Sulphur, Water Soluble Nitrate, Water Soluble Chloride and pH determination)

• BRE Digest SD1 : 2005 Concrete Aggressivity Suite – (Suite D)

Brownfield sites containing pyrites
(Tests include Total Sulphate, Water Soluble Sulphate, Total Sulphur, Water Soluble Nitrate, Water Soluble Chloride and pH determination)

Extra over all BRE SD1 Suites for determination of Magnesium as per BRE Digest 279 : 1995
Determination of Magnesium content in 2:1 soil / water extract by atomic absorption spectrometry (If required)

Description:

• Oedometer Consolidation (BS EN ISO 17892-5: 2017)

Results given:

• Swelling pressure (if performed)
• Voids ratio v log of pressure plot
• Coefficient of consolidation
• Coefficient of volume compressibility

You provide:

• Specify if swelling pressure is to be determined
• Specify pressure sequence to be applied

Typical use(s):

• Behaviour of ground changes of loading

Material required:

• Ideally, an undisturbed length of sample at least half as long as the diameter, and at least 10mm greater in diameter than the required specimen (typical specimen 76mm dia.)
• If remoulded, 200g