Numerical Simulation Analysis of Mechanical Properties and Application of Large Deformation Cable with Constant Resistance

Abstract

Large deformation cable with constant resistance present super-mechanical characteristics of high constant resistance, large deformation, energy absorption and impact resistance compared to traditional anchor cable. These have been successfully applied in geotechnical engineering and tunnel engineering. In order to effectively solve the technical problems of the cable-stay breaking and the anchor head fall off, due to the large deformation of the traditional reinforcement cable of the slope of the Tonglushan ancient copper mine relics in Daye City, Hubei Province. In this paper, the finite element structure nonlinear analysis model of large deformation cable with constant resistance was established through finite element software ANSYS. Following, combined with the indoor test for comparative analysis, proved the reliability of the numerical simulation analysis model. Finally, the depth of the potential weak sliding zone (surface) of the slope was determined by the finite element analysis and strength reduction method. This provided a theoretical basis for the construction of deep mechanics monitoring and early warning system based on NPR anchor cable, and realizes the integrated control objectives of the reinforcement, monitoring and early warning of the site slope.

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Acknowledgements

This work was supported by the Shandong Province Natural Science Foundation of China under Grant Number [ZR2017PD011].

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Correspondence to Zhigang Tao.

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Tao, Z., Wang, Y., Li, M. et al. Numerical Simulation Analysis of Mechanical Properties and Application of Large Deformation Cable with Constant Resistance. Geotech Geol Eng 39, 81–93 (2021). https://doi.org/10.1007/s10706-020-01422-2

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Keywords

  • Large deformation cable with constant resistance
  • Nonlinear model
  • Finite element
  • Strength reduction method
  • Slope stability