Please note
The test rates listed in this website are only applicable to clients who comply with the requirements in our Testing Notes and Terms and Conditions and pay all submitted invoices within 30 days from the date of invoice
UCS
Uniaxial Compressive Strength
| Description | Price |
| Uniaxial Compressive Strength (UCS) (ISRM : Parts 1 & 2 : 2007 or ASTM D7012 : Method C : 2010) |
£ 75.00 |
| UCS with Young’s Modulus, E (up to 3 cycles) (ISRM : Parts 1 & 2 : 2007 or ASTM D7012 : Method C : 2010) |
£ 165.00 |
| UCS with Young’s Modulus, E & Poisson’s Ratio, v (up to 3 cycles) (ISRM : Parts 1 & 2 : 2007 or ASTM D7012 : Method C : 2010) |
£ 230.00 |
| Additional cycles | + £ 20.00 per cycle |
| Recore, if required | + £ 25.00 per specimen |
| Unsuccessful specimen preparation during recoring process. | + £ 20.00 per specimen |
| Provision of digital image of test specimens In JPEG format (minimum 10 megapixels) with colour chart, grey scale and specimen identification where before and/or after test photographs are required on the same specimen. |
+ £ 18.00 per photograph |
You provide
Which standard do you want the tests performed to (ISRM or ASTM D7012)
Material required
Core sample 38 mm to 150 mm diameter (or intact block suitable to recore)
Specimens shall be right circular cylinders having a height to diameter ratio of 2.50 – 3.0 and a diameter preferably not less than 38 mm.
UCS on Rock with Young’s Modulus and Poisson’s Ratio
Direct Shear Strength
Direct Shear Strength (Rock)
| Description | Price |
| Direct Shear Strength of Rock Discontinuity ISRM Suggested Methods : 2007-2014 (includes trimming to length, embedding in cement ready for shearing and moisture content) |
£ 300.00 |
| Extra rapid residual stage | + £ 35.00 |
| Recore, if required | + £ 25.00 |
| Cut shear plane, if required | + £ 20.00 |
Material required
Core sample 38 mm to 150 mm diameter (or intact block suitable to recore)
Results given
- Peak Shear Strength(s)
- Residual Shear Strength(s) if required
- Displacement(s) at peak
You provide
- Test Type (peak only, peak & residual, single specimen, set of 3 etc.).
- Remoulding conditions (if applicable).
- Normal Stress(es) (eg. 50,100,200 kPa).
Rock embedding in cement
300mm Shearbox
Triaxial Compressive Strength
Triaxial Compressive Strength
| Description | Price |
| Triaxial Compressive Strength (Hoek Triaxial) Type I – Individual test. Up to 70 MPa confining pressure (including end preparation and moisture content but recoring, if required, is extra) (ISRM : May 1983 or ASTM D7012-14 : Method A) |
£ 280.00 each single stage specimen using one confining pressure |
| Triaxial Compressive Strength (Hoek Triaxial) Type II – Multiple failure state test. Up to 70 MPa confining pressure (including end preparation and moisture content but recoring, if required, is extra) (ISRM : May1983) |
£ 315.00 using one confining pressure |
| Additional confining pressure (for ISRM Type II – multiple failure state test) |
+ £ 35.00 |
| Recore, if required | + £ 25.00 per specimen |
| Unsuccessful specimen preparation during recoring process. | + £ 20.00 per specimen |
| Provision of digital image of test specimens in JPEG format (minimum 10 megapixels) with colour chart, grey scale and specimen identification where before and/or after test photographs are required on the same specimen. |
+ £ 18.00 per photograph |
Material required
Core sample 38 mm, 54 mm or 76 mm diameter of sufficient length to prepare 2:1 height:diameter specimen (or oversize core or block sample suitable to recore to one of specified sizes)
Hoek Triaxial Cell
Rock Recoring
Indirect Tensile Strength
Tensile Strength
| Description | Price |
| Indirect Tensile Strength (Brazilian Disc) (ISRM : 2007 or ASTM D3967-95A : 2001) |
£ 75.00 |
| Recore, if required | + £ 25.00 per specimen |
| Unsuccessful specimen preparation during recoring process. | + £ 20.00 per specimen |
| Provision of digital image of test specimens in JPEG format (minimum 10 megapixels) with colour chart, grey scale and specimen identification where before and/or after test photographs are required on the same specimen. |
+ £ 18.00 per photograph |
Material required
Core sample 38 mm to 150 mm diameter (or intact block suitable to recore).
The test specimen shall be a circular disk with a thickness to diameter ratio (t/D) between 0.2 and 0.75.
The diameter of the specimen shall be at least 10 times greater than the largest mineral grain constituent. A diameter of 50 mm will generally satisfy this criterion.
Tensile Strength by Brazilian Disc
Sound Wave Velocity
Sound Wave Velocity
| Description | Price |
| P & S Sound Waves Velocity (Vp & Vs) (ASTM D 2845 – 08 or ISRM : 2007-2014) |
£ 55.00 |
| P Wave Velocity (Vp) (ASTM D 2845 – 08 or ISRM : 2007-2014) |
£ 45.00 |
| S Wave Velocity (Vs) (ASTM D 2845 – 08 or ISRM : 2007-2014) |
£ 45.00 |
| Extra over item for specimen preparation. (Rate will depend on coring, lathing and end preparation). If velocity test is required in addition to UCS test, then preparation charge would not be applied. |
+ £ 20.00 |
| Extra over for Elastic moduli for homogeneous isotropic materials Bulk modulus (K), Young’s modulus (E), Lamé’s first parameter (λ), Shear modulus (G), Poisson’s ratio (v) and P-wave modulus (M) |
+ £ 95.00 |
Material required
Core sample 38 mm to 150 mm diameter (or intact block suitable to recore).
It is recommended that the ratio of the pulse-travel distance to the minimum lateral dimension not exceed 5.
The travel distance of the pulse through the rock shall be at least 10 times the average grain size so that an accurate average propagation velocity may be determined.
Point Load Test
Point Load Test
| Description | Price |
| Point Load Test (ASTM / ISRM : 2007 & In-house Technical Procedure TP35) |
£ 12.00 per determination |
| Point Load Test (set of 10 individual determinations on one rock core or rock stick sample) (ASTM / ISRM : 2007 & In-house Technical Procedure TP35) |
£ 85.00 per sample |
| Water Content Usually one water content per sample regardless of number of PLT determinations |
+ £ 8.25 |
Results given
Point Load Strength
You provide
If preference, which method is to be used: Axial, diametral or irregular lump. Otherwise we will perform the more logical test.
Typical use(s)
Classifying strength of rocks, and predicting tensile and compressive strengths.
Material required
Core sample 38 mm to 105 mm diameter (or intact block suitable to recore)
Point Load Tester
Slake Durability
Slake Durability
| Description | Price |
| Slake Durability (2 cycles) (ASTM D4644 : 1987 – ISRM : 2007) |
£ 85.00 |
| Prepare oversize material, if required | £ 25.00 |
Results given
Slake Durability Index
You provide
No information required.
Typical use(s)
Determining resistance of rocks to abrasion and dry/wetting.
Material required
Sufficient to provide at least 10 lumps, each weighing between 40 g and 60 g, to give a total weight of 450 g to 550 g.
10% Fines
10% Fines
| Description | Price |
| 10% Fines (Ten Percent Fines Value) (BS812 : Part 111 : 1990 (2000)) |
£ 65.00 |
| Crush oversize material, if required | £ 27.50 |
| Soaking | + £ 15.50 |
Material required
8 kg of single-size aggregate, standard size is 14 to 10 mm (passing 14 mm sieve, retained on 10 mm sieve). Non-standard tests allow for 28-20 mm, 20-14 mm, 10-6.3 mm, 6.3-5.0 mm, 5.0-3.35 mm and 3.35-2.36 mm.
Aggregate Crushing Value
Aggregate Crushing Value
| Description | Price |
| Aggregate Crushing Value (ACV) | £ 65.00 |
| Crush oversize material, if required | £ 27.50 |
| Soaking | + £ 15.50 |
Material required
5 kg of single-size aggregate, standard size is 14 to 10 mm (passing 14 mm sieve, retained on 10 mm sieve). Non-standard tests allow for 28-20 mm, 20-14 mm, 10-6.3 mm, 6.3-5.0 mm, 5.0-3.35 mm and 3.35-2.36 mm.
Aggregate Crushing alue
Porosity and Density
Porosity and Density
| Description | Price |
| Porosity and Density (Buoyancy Method – ISRM 2007) |
£ 32.00 |
| Porosity and Density (Caliper Method – ISRM 2007) Preparation needed if not perfectly shaped |
£ 32.00 |
| Void Index (Quick absorption technique – ISRM 2007) |
£ 32.00 |
| Sample preparation (if required) |
£ 30.00 / sample |
Material required
Regular and perfect core sample (cylinder) for caliper method, with a maximum of 120 mm in length. If volume cannot be determined by measurement, preparation is needed.
Irregular lumps for Porosity and Density by buoyancy method and Void Index.
Particle Density
Particle Density
| Description | Price |
| Particle Density (Specific Gravity) | £ 45.00 |
Material required
100 g.
Water Content
Water Content
| Description | Price |
| Water Content | £ 8.25 |
Material required
Preferably more than 400 g
Cerchar Abrasivity
Cerchar Abrasivity
| Description | Price |
| Determination of the Cerchar Abrasivity value (ISRM : 2007-2014 or ASTM D7625 : 2010) |
£ 140.00 Per set of 5 values |
| Sample preparation | + £ 25.00 |
Material required
The sample should be sufficient to permit 5 test scratches (10 mm) at least 5 mm from the edge of the rock surface and each test should be 5 mm apart. If it is a core, the diameter should be less than 76 mm and length less than 150 mm. Ideally size is like a tennis ball.
The test scratch ideally should be done on a natural rough surface and perpendicular to any lamination or bedding.
Cerchar Abrasivity
Petrographic Analysis
Petrographic Analysis (Rock or Soil)
| Description | Price |
| Mineralogy and Petrography of Soils, Aggregates and Rock Samples using Optical Microscopy techniques Includes thin section preparation. (TP121 based on BS 5930 : 1999, BS EN ISO 14689-1 and ISRM) |
£ 340.00 |
| Petrographic Analysis by X-ray Diffraction Bulk sample only (using Diffractometer, analysis currently sub-contracted to approved suppliers of consultancy services) |
£ 140.00 |
| Petrographic Analysis by X-ray Diffraction Clay fraction only (using Diffractometer, analysis currently sub-contracted to approved suppliers of consultancy services) |
£ 155.00 |
| Petrographic Analysis by X-ray Diffraction Bulk and clay fraction on same sample (using Diffractometer, analysis currently sub-contracted to approved suppliers of consultancy services) |
£ 240.00 |
Material required
Rock lump, minimum 30x30x30 mm or 100 g of soil
Petrographic Analysis
Petrographic Analysis
Other tests
Thermal properties
| Description | Price |
| Thermal Conductivity & Thermal Resistivity (ASTM D5334 (2014) – ISRM Suggested Methods) |
£ 132.50 |
| Thermal properties Conductivity, Resistivity, Diffusivity and Volumetric Specific Heat Capacity (ASTM D5334 (2014) – ISRM Suggested Methods) |
£ 160.00 |
Electrical properties
| Description | Price |
| • Electrical Resistivity/Conductivity on rock specimen (In-House method) |
£ 138.00 |
Shore Scleroscope
| Description | Price |
| Determination of the Shore Schleroscope Hardness (per 20 determinations) Minimum 3 specimens recommended for same material (ISRM : 2007) |
£ 120.00 |
Schmidt Hammer
| Description | Price |
| Determination of the Schmidt Rebound Hardness (per 10 determinations) (ISRM : 2007) |
£ 120.00 |
Angularity of Sands and Gravels
| Description | Price |
| Determination of the degree of angularity (roundness) and Sphericity of particles of sand (In-house Technical Procedure No. 114 based on Powers, M. C. 1953) Includes washing though 0.063 mm sieve to ensure removal of any silt and clay particles before analysis |
£ 125.00 |
| Determination of aggregate angularity number, including sieve analysis (BS812 : Part 1 : Clause 7.5 : 1975) |
£ 125.00 |
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