This part of GB/T 4934 specifies the types, structural components and specifications, technical requirements, test methods, inspection rules, signs, instructions for use, packaging, transportation and storage of strain-controlled direct shear instruments (hereinafter referred to as direct shear instruments). Uniform requirements. This section applies to strain-controlled direct shear instruments for determining the shear strength of soil samples under different vertical pressure conditions.
GB/T 4934.1-2008 Referenced Document
GB 9969.1 General principles for preparation of instructions for use of industrial products
GB/T 15406-2007 Primary parameter and general specification for geotechnical engineering instrument
GB/T 15464 Gmeneral-purpose specification for the packaging instrumentation products