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
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
Description | Price |
Uniaxial Compressive Strength (UCS) (ISRM : Parts 1 & 2 : 2007 or ASTM D7012 : Method C : 2010) |
£ 65.00 |
UCS with Young’s Modulus, E (up to 3 cycles) (ISRM : Parts 1 & 2 : 2007 or ASTM D7012 : Method C : 2010) |
£ 150.00 |
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) |
£ 210.00 |
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 |
Which standard do you want the tests performed to (ISRM or ASTM D7012)
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.
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) |
£ 260.00 |
Extra rapid residual stage | + £ 25.00 |
Recore, if required | + £ 25.00 |
Cut shear plane, if required | + £ 20.00 |
Core sample 38 mm to 150 mm diameter (or intact block suitable to recore)
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) |
£ 240.00 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) |
£ 275.00 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 |
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)
Description | Price |
Indirect Tensile Strength (Brazilian Disc) (ISRM : 2007 or ASTM D3967-95A : 2001) |
£ 65.00 |
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 |
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.
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 |
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.
Description | Price |
Point Load Test (ASTM / ISRM : 2007 & In-house Technical Procedure TP35) |
£ 10.00 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) |
£ 70.00 per sample |
Moisture Content Usually one moisture content per sample regardless of number of PLT determinations |
+ £ 7.50 |
Point Load Strength
If preference, which method is to be used: Axial, diametral or irregular lump. Otherwise we will perform the more logical test.
Classifying strength of rocks, and predicting tensile and compressive strengths.
Core sample 38 mm to 105 mm diameter (or intact block suitable to recore)
Description | Price |
Slake Durability (2 cycles) (ASTM D4644 : 1987 – ISRM : 2007) |
£ 75.00 |
Prepare oversize material, if required | £ 20 |
Slake Durability Index
No information required.
Determining resistance of rocks to abrasion and dry/wetting.
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.
Description | Price |
10% Fines (Ten Percent Fines Value) (BS812 : Part 111 : 1990 (2000)) |
£ 60.00 |
Crush oversize material, if required | £ 20 |
Soaking | + £ 15.50 |
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.
Description | Price |
Aggregate Crushing Value (ACV) | £ 60.00 |
Crush oversize material, if required | £ 20 |
Soaking | + £ 15.50 |
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.
Description | Price |
Porosity and Density (Buoyancy Method – ISRM 2007) |
£ 30.00 |
Porosity and Density (Caliper Method – ISRM 2007) Preparation needed if not perfectly shaped |
£ 30.00 |
Void Index (Quick absorption technique – ISRM 2007) |
£ 30.00 |
Sample preparation (if required) |
£ 30.00 / sample |
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.
Description | Price |
Particle Density (Specific Gravity) | £ 44.00 |
100 g.
Description | Price |
Water Content | £ 7.50 |
Preferably more than 400 g
Description | Price |
Determination of the Cerchar Abrasivity value (ISRM : 2007-2014 or ASTM D7625 : 2010) |
£ 130.00 Per set of 5 values |
Sample preparation | + £ 25.00 |
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.
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 |
Rock lump, minimum 30x30x30 mm or 100 g of soil
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 |
Description | Price |
• Electrical Resistivity/Conductivity on rock specimen (In-House method) |
£ 138.00 |
Description | Price |
Determination of the Shore Schleroscope Hardness (per 20 determinations) Minimum 3 specimens recommended for same material (ISRM : 2007) |
£ 120.00 |
Description | Price |
Determination of the Schmidt Rebound Hardness (per 10 determinations) (ISRM : 2007) |
£ 150.00 |
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 |
£ 113.00 |
Determination of aggregate angularity number, including sieve analysis (BS812 : Part 1 : Clause 7.5 : 1975) |
£ 120.00 |
Main Laboratory & Head Office
Bucknalls Lane - Garston
Watford, Hertfordshire WD25 9XX
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Tel: +44 (0)1923 892 190
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Birmingham Laboratory
Geolabs Limited
HRS Business Park Granby Avenue
Birmingham, B33 0SJ
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Tel: +44 (0)121 296 4600
[email protected]