MATERIAL REQUIREMENTS

Material Requirements (Most common tests)

Water Content: Up to 2mm 100g
Up to 10mm 500g
Up to 31.5mm 3kg
Up to 63mm 21kg

SMC (Saturation MC): Intact chalk lump >100mm

Liquid & Plastic Limits: Sufficient for 300g passing 0.425mm sieve

Bulk & Dry Densities: Ideally > 1kg of intact material (not suitable for loose granular)

Particle Density:
Pyknometer 50g
Gas Jar – fine grained 400g
Gas Jar – coarse grained 800g

Particle Size Distribution (PSD): For not more than 10% of the following sizes or larger, use the corresponding sample mass:
63mm – 50 kg 20mm – 2kg 6.3mm – 200g
50mm – 35kg 14mm – 1kg 3.35mm – 150g
37.5mm – 15kg 10mm – 500g smaller – 100g
28mm – 6kg

Compaction:
If affected by crushing 15kg if less than 5% >20mm, 40kg if more than 5% >20mm
Not affected by crushing 6kg if less than 5% >20mm, 15kg if more than 5% >20mm

Sand: Max Density 6kg, Min Density 2 kg

Gravelly Soil: Max Density 16kg, Min Density 10kg

MCV single: point 4kg

MCV Calibration: 4 kg (15kg if crushable)

CBR: 6kg for remould, or full mould

Oedometer and Rowe (Hydraulic) Cell: Undisturbed 1/2 diameter long (usually 76mm diameter)

Triaxial Strength Tests: (per specimen, x3 for set)
Undisturbed to give 2:1 Height:Dia (38,70,100mm dia)
Remould 38mm: 200g of <6mm 100mm: 4kg of <20mm

Permeability Tests:
CH in Triaxial Cell 100mm dia 1:1 H:D, or 2kg <8mm
CH in Permeameter 2kg <6.3mm or 6kg <10mm
Horizontal Permeameter 200kg <37.5mm

Shearbox: (per specimen, x3 for set)
Small to give 60x60x20mm prepared, or 200g <2mm
Large to give 300x300x150mm prepared, or 30kg<20mm
Ringshear 200g <2mm