Bulgarian Institute for Standardization
Standards – always a step ahead
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E-mail: info@bds-bg.org
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Projects and standards

To find easily the necessary information, use the different options for advanced search below, e.g. search by technical committee; by keyword in Bulgarian/English; by reference and others.

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

ТК-55 more

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

ТК-55 more

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

60.60 Standard published

ТК-15 more

Soil quality — Determination of the specific electrical conductivity

90.92 Standard to be revised

ТК-15 more

Soil quality — Determination of the specific electrical conductivity

90.92 Standard to be revised

ISO/TC 190/SC 3 more

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

60.60 Standard published

ISO/TC 190/SC 3 more

Soil quality — Determination of redox potential — Field method

60.60 Standard published

ISO/TC 190/SC 3 more

Soil quality — Determination of dry bulk density

90.93 Standard confirmed

ISO/TC 190/SC 3 more

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

60.60 Standard published

ISO/TC 190/SC 3 more

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

40.60 Close of voting

ISO/TC 190/SC 3 more

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

90.93 Standard confirmed

ISO/TC 190/SC 3 more

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

60.60 Standard published

ISO/TC 190/SC 3 more

Soil quality — Determination of particle density

90.93 Standard confirmed

ISO/TC 190/SC 3 more

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

90.93 Standard confirmed

ISO/TC 190/SC 3 more

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

90.93 Standard confirmed

ISO/TC 182 more

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

90.93 Standard confirmed

ISO/TC 182 more

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

60.60 Standard published

ISO/TC 182 more

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

60.60 Standard published

ISO/TC 182 more