This standard specifies the uniform requirements for the design, production, test methods and inspection rules of strain-controlled direct shear instruments (hereinafter referred to as direct shear instruments). This standard applies to strain-controlled direct shear instruments. The instrument is used to determine the shear strength of soil samples under static load conditions.
GB/T 4934-1996 history
2008GB/T 4934.1-2008 Instrument for soil test.Shear apparatus.Part 1: Strain-controlled direct shear apparatus
1996GB/T 4934-1996 Strain-controlled direct shear apparatus