Analysing soil in the lab

Tests on soil

For more information on our tests on soil, please visit the introduction page of our dedicated soil laboratory.

Chemical tests

DescriptionNormBELAC
Acidity by Baumann-GullyEN 16502
Extraction of water soluble nutrients and elements (Cl- by titration)EN 13652
Hydrochloric acid testRAW (2015) proef 37B
Loss on ignition, organic matter and CaCO3-contentRAW (2015) proef 28B
Mg2+ (ICP-AES)ISO 7980
Organic matter (CCl3COOH)SB 250 (3.1) Hfdst. XIV § 3.4
Organic matter (H2O2)RAW (2015) proef 36B
Organic matter by calcination (TGA)XP P 94 047
pHISO 10390
Afl. PM – Hfdst. 01 (01.07)B
RAW (2015) proef 27
Salt content per liter of soil moistureRAW (2015) proef 38B
Sulfate content (IC)EN 196-2

Geotechnical tests

DescriptionNormBELAC
Direct shear testBS 1377-7
Measurement of swelling pressureBS 1377-5
Consolidated drained triaxial testNEN 5117
BS 1377-8
CEN ISO TS 17892-9
Consolidated undrained triaxial testNEN 5117
BS 1377-8
CEN ISO TS 17892-9
Unconsolidated undrained triaxial testBS 1377-8
CEN ISO TS 17892-8
Unconfined compression testCEN ISO TS 17892-7
(pocket) Vane shear testMethod GEOS
Vane shear testASTM D4648
BS 1377-7

Petrographic tests

DescriptionNormBELAC
Geological description of soilMethod GEOS

Physical tests

DescriptionNormBELACLaboroute
Atterberg limitsRAW (2015) proef 14B
Classification of soilNEN 5104
NF P 11-300
SB 250 (3.1) Hfdst. III § 3
SB 260 (1.0) Hfdst. XXII § 4.1.1.2.F
Particle densityCEN ISO TS 17892-3
DensityCEN ISO TS 17892-2 § 5.1
NEN 5110 & 5112
NF P 94-053
Designation of soilRAW (2015) Hfdst. 22 § 06
Electrical conductivityEN 13038
Erosion resistanceRAW (2015) Hfdst. 22 § 06.07
Particle size distribution – HydrometerEN ISO TS 17892-4 § 5.3B
NF P 94-057L
RAW (2015) proef 1B
Permeability coefficientMethod GEOS
Permeability by Eykelkamp
(based ISO/TS 17892-11)
Method GEOS
Permeability by “Constant Head”NEN 5123
Permeability by falling head
(based on ISO/TS 17892-11)
Method GEOS
Particle size distribution
particles <0,020 mm
RAW (2015) proef 12
Particle size distribution
particles <0,063 mm
RAW (2015) proef 2B
Particle size distribution by
laser diffraction
Method GEOS
Particle size distributionEN ISO TS 17892-4 § 5.2B
NF P 94 056L
Assessment of soil for attack on concreteNBN EN 206-1
Rheological analysisMethod GEOS
Texture of soilRAW (2015) proef 29
Soil textureSB 250 (3.1) Hfdst. III § 4.2
Water contentCEN ISO TS 17892-1
NF P 94-050L
SB 260 (1.0) Hfdst. XXII § 4.2

Proctor tests

DescriptionNormBELACLaboroute
Binder dosing curveMethod GEOS
Binder studyMethod GEOS
California bearing ratio (CBR)EN 13286-47BL
Determination of compressive strengthRAW (2015) proef 18B
EN 13286-41BL
Immediate bearing index (IBI)EN 13286-47BL
1-point modified Proctor compaction
(water content as deliverd)
EN 13286-2BL
5-point modified Proctor compactionEN 13286-2BL
Resistance to immersionCME 52.23
Determination of tensile strengthEN 13286-42BL
Accelerated swelling testEN 13286-49
Test for determing the treatment abilitity of a soilNF P 94-100
Workability periodEN 13286-45B