Projects and standards

Geotechnical investigation and testing - Geotechnical monitoring by field instrumentation - Part 4: Measurement of pore water pressure: Piezometers (ISO 18674-4:2020)

60.60 Standard published

Geotechnical investigation and testing - Geotechnical monitoring by field instrumentation - Part 5: Stress change measurements by total pressure cells (TPC) (ISO 18674-5:2019)

60.60 Standard published

Soil quality - Determination of effective cation exchange capacity (CEC) and exchangeable cations using a hexamminecobalt trichloride solution (ISO 23470:2018)

60.60 Standard published

Soil quality — Determination of the specific electrical conductivity

90.92 Standard to be revised

Soil quality — Determination of the specific electrical conductivity

90.92 Standard to be revised

Soil quality — Determination of the specific electrical conductivity — Technical Corrigendum 1

60.60 Standard published

Soil quality — Determination of redox potential — Field method

60.60 Standard published

Soil quality — Determination of dry bulk density

90.93 Standard confirmed

Soil quality — Determination of particle size distribution in mineral soil material — Method by sieving and sedimentation

60.60 Standard published

Soil quality — Determination of particle size distribution in mineral soil material — Method by sieving and sedimentation — Amendment 1

40.20 DIS ballot initiated

Soil quality — Determination of dry matter and water content on a mass basis — Gravimetric method

90.93 Standard confirmed

Soil quality — Determination of dry matter and water content on a mass basis — Gravimetric method — Technical Corrigendum 1

60.60 Standard published

Soil quality — Determination of particle density

90.93 Standard confirmed

Soil quality — Pretreatment of samples by freeze-drying for subsequent analysis

90.93 Standard confirmed

Geotechnical investigation and testing — Geothermal testing — Determination of thermal conductivity of soil and rock using a borehole heat exchanger

90.93 Standard confirmed

Geotechnical investigation and testing — Laboratory testing of soil — Part 1: Determination of water content

90.93 Standard confirmed

Geotechnical investigation and testing — Laboratory testing of soil — Part 1: Determination of water content — Amendment 1

60.60 Standard published

Geotechnical investigation and testing — Laboratory testing of soil — Part 10: Direct shear tests

60.60 Standard published