Stress characteristics of 1 × 19 IWS steel strand are studied by an optical lever experimental device and a three-dimensional finite element model. The stress distribution of steel strand and its influences by friction coefficient and twist ratio are obtained. The results show that the deviation error between the experimental and simulated values of the deformation of steel strand is about 1%. The axial stress distribution of steel wire in strand is spiral along the strand axis and periodic variation, and layered along the strand radial direction. The increase in friction coefficient will significantly increase the shear stress between wires. Equivalent stress is less affected by twist ratio. The decrease in wire bending degree caused by the increase in twist ratio will reduce the shear stress.
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This project is supported by the National Natural Science Foundation of China (Grant No. 51905237) and the Natural Science Foundation of Jiangsu Province (Grant No. BK20191000) the Natural Science Foundation of Jiangsu Normal University (Grant No. 18XLRX005).
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Ma, J., Guo, Y. Stress analysis of steel wire in strand based on optical lever principle and finite element calculation. J Braz. Soc. Mech. Sci. Eng. 42, 37 (2020) doi:10.1007/s40430-019-2120-1
- Steel strand
- Optical lever
- Finite element model
- Stress distribution