Complex Services of Laboratories of Soil and Rock Mechanics

The Laboratories of soil and rock mechanics have implemented the quality system in compliance with the CSN EN ISO/IEC 17025 and they are accredited by the Czech Accreditation Institute, o.p.s. for the basic geotechnical testing. (Accreditation Certificate No. 359/2000, Testing Laboratory Registration No. 1271.2)

Range of tests:

  • Determination of the water content - CSN CEN ISO/TS 17892-1
  • Determination of the water content by drying in a ventilated oven of aggregates - CSN EN 1097-5
  • Determination of particle size distribution - CSN CEN ISO/TS 17892-4
  • Determination of particle size distribution of aggregates - Sieving method - CSN EN 933-1
  • Determination of Atterberg limits - CSN CEN ISO/TS 17892-12
  • Determination of density of fine-grained soil - CSN CEN ISO/TS 17892-2
  • Determination of particle density - Pycnometer method - CSN CEN ISO/TS 17892-3
  • Laboratory determination of carbonates in soils - CSN 72 1022
  • Determination of loss by ignition - Guideline of the Czech Institute of Geology, 1987, Chapter 8
  • Laboratory determination of compactibility of soils - Proctor compaction - CSN EN 13286-2
  • Soil compaction control - CSN 72 1006, Method C, D *
  • Determination of the California Bearing Ration of soils - CSN EN 13286-47
  • Laboratory determination of relative density of cohesionless soils - CSN 72 1018 *
  • Laboratory determination of relative shrinkage of soils - CSN 72 1019 *
  • Laboratory determination of soil permeability - CSN 72 1020, Method F *
  • Determination of soil compressibility in the edometer apparatus - CSN CEN ISO/TS 17892-5
    (time-consolidation curve with computation of the coefficient of consolidation, collapsivity of soils, determination of the "z" factor)
  • Determination of soil swelling property - Guideline of the Czech Institute of Geology, 1987, Chapter 20
  • Laboratory direct shear box drained test of soils - CSN CEN ISO/TS 17892-10
    (effective parameters of the top and of the residual shear strength)
  • Unconfined compression test on fine-grained soil - CSN CEN ISO/TS 17892-7
  • Unconsolidated undrained triaxial test - CSN CEN ISO/TS 17892-8
  • Consolidated triaxial compression test - CSN CEN ISO/TS 17892-9 *
  • Fall cone test - CSN CEN ISO/TS 17892-6 *

Range of field tests:

  • Determination of unit weight of soils - CSN 72 1010, Method D-1
  • Static load test - CSN 72 1006, Annex A,B,D
  • Impact load test for road surfaces and subsurfaces - CSN 73 6192, Section C
  • Measurement and evaluation of pavement surface roughness - CSN 73 6175, Chapter 8

Note: * Non-accredited tests