Standard steel strand made of 7 steel wires with a nominal diameter of 15.20mm. Tensile testing machine, equipped with LZC-2 automatic tensile testing system. The testing machine has first-level accuracy; the digital display reaches 1N. A primary extensometer was used to measure the incremental tensile deformation. Evaluate the elastic modulus measurement uncertainty of a single measurement result.
CSM 01 01 02 03-2006 Referenced Document
GB/T 228-2002 Metallic materials--Tensile testing at ambient temperature
GB/T 8653-1988 Metallic materials--Determination of Young's modulus, chord modulus, tangent modulus and Poisson's ratio (statical method)
JJF 1059-1999 Evaluation and Expression of Uncertainty in Measurement
JJF 1103-2003 Evaluation for Computerized Data Acquisition Systems of Universal Testing Machines*, 2024-04-18 Update
JJG 139-1999 Verification Regulation of Universal Tension and Compression Testing Machine
CSM 01 01 02 03-2006 history
2006CSM 01 01 02 03-2006 Uncertainty Evaluation of Measurement Result of Elastic Modulus of Steel Strand