Effective protection is critical for the safe and efficient construction of rockburst tunnels. This study investigates the dynamic response of flexible protection mesh through drop ball impact tests and numerical simulations. The results show that YB2000 flexible mesh (1 m2) can withstand impact energies of at least 10383 J. It was observed that impact velocity and kinetic energy exert a more pronounced influence on the dynamic response of flexible mesh than rock size or impact position. An X-shaped load transfer path emerges, with peak stress concentrating at anchorage points. Interception failure originates from the mesh damage at anchorage points, which is attributed to insufficient weaving tightness or inadequate binding yarn strength. These findings provide a basis for optimizing mesh impact resistance and inform rockburst mitigation strategies in tunnel engineering.
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Research Article|
March 26 2026
Numerical simulation on impact dynamic responses of flexible protection mesh for rockburst
C. Tian;
C. Tian
1State Key Laboratory for Tunnel Engineering, School of Qilu Transportation,
Shandong University
, Jinan, China
, E-mail: 202215395@mail.sdu.edu.cn
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W. Yang;
2State Key Laboratory for Tunnel Engineering, School of Qilu Transportation,
Shandong University
, Jinan, China
; Hock Technology Co., Ltd, Jining, ChinaCorresponding author W. Yang (weimin.yang@sdu.edu.cn)
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M. Wang;
M. Wang
3State Key Laboratory for Tunnel Engineering, School of Qilu Transportation,
Shandong University
, Jinan, China
, E-mail: 15066231361@163.com
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X. Song;
X. Song
4State Key Laboratory for Tunnel Engineering, School of Qilu Transportation,
Shandong University
, Jinan, China
, E-mail: 202115373@mail.sdu.edu.cn
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Z. Zhang;
Z. Zhang
5State Key Laboratory for Tunnel Engineering, School of Qilu Transportation,
Shandong University
, Jinan, China
, E-mail: 202135440@mail.sdu.edu.cn
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H. Sun;
H. Sun
6State Key Laboratory for Tunnel Engineering, School of Qilu Transportation,
Shandong University
, Jinan, China
, E-mail: 202420921@mail.sdu.edu.cn
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F. Gong
F. Gong
7School of Civil Engineering,
Southeast University
, Nanjing, China
; School of Geological Engineering and Geomatics, Chang’an University, Xi’an, China, E-mail: fengqiangg@126.com
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Corresponding author W. Yang (weimin.yang@sdu.edu.cn)
Declarations of competing interest The authors have no conflicts to disclose.
Publisher: Emerald Publishing
Received:
September 30 2025
Accepted:
January 12 2026
Online ISSN: 1751-7613
Print ISSN: 1072-6349
Funding
Funding Group:
- Award Group:
- Funder(s): National Natural Science Foundation of China
- Award Id(s): 42477156
- Funder(s):
- Award Group:
- Funder(s): Key Technology Research and Development Program of Shandong Province
- Award Id(s): 2024CXGC010322
- Funder(s):
- Award Group:
- Funder(s): TaiShan Industrial Experts Programme of Shandong Province
- Award Id(s): tscx202312155
- Funder(s):
- Award Group:
- Funder(s): TaiShan Scholars Project of Shandong Province
- Award Id(s): tsqn202507008
- Funder(s):
- Award Group:
- Funder(s): Natural Science Foundation of Shandong Province
- Award Id(s): ZR2024QE178
- Funder(s):
- Funding Statement(s): This research was supported by the National Natural Science Foundation of China (42477156), the Key Technology Research and Development Program of Shandong Province (2024CXGC010322), the TaiShan Industrial Experts Programme of Shandong Province (tscx202312155), the TaiShan Scholars Project of Shandong Province (tsqn202507008), the Natural Science Foundation of Shandong Province (ZR2024QE178).
© 2026 Emerald Publishing Limited
2026
Emerald Publishing Limited
Licensed re-use rights only
Geosynthetics International 1–16.
Article history
Received:
September 30 2025
Accepted:
January 12 2026
Citation
Tian C, Yang W, Wang M, Song X, Zhang Z, Sun H, Gong F (2026;), "Numerical simulation on impact dynamic responses of flexible protection mesh for rockburst". Geosynthetics International, Vol. ahead-of-print No. ahead-of-print. https://doi.org/10.1680/jgein.25.00172
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