Impact Performance Testing and Numerical Analysis of Composite Sandwich Exterior Wall Panels

YAN Dawei; WAN Haiying; LIANG Junhui; WANG Bing

doi:10.3724/j.gyjzG23061504

Volume 55 Issue 11

Nov. 2025

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YAN Dawei, WAN Haiying, LIANG Junhui, WANG Bing. Impact Performance Testing and Numerical Analysis of Composite Sandwich Exterior Wall Panels[J]. INDUSTRIAL CONSTRUCTION, 2025, 55(11): 52-59. doi: 10.3724/j.gyjzG23061504

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YAN Dawei, WAN Haiying, LIANG Junhui, WANG Bing. Impact Performance Testing and Numerical Analysis of Composite Sandwich Exterior Wall Panels[J]. INDUSTRIAL CONSTRUCTION, 2025, 55(11): 52-59. doi: 10.3724/j.gyjzG23061504

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Impact Performance Testing and Numerical Analysis of Composite Sandwich Exterior Wall Panels

doi: 10.3724/j.gyjzG23061504

1. School of Civil Engineering, Hefei University of Technology, Hefei 230009, China;
2. Anhui Key Laboratory of Civil Engineering Structures and Materials, Hefei University of Technology, Hefei 230009, China;
3. Anhui Electric Power Design Institute, Hefei 230009, China

Received Date: 2023-06-15
Available Online: 2026-01-06
Publish Date: 2025-11-20

Abstract

Abstract

Composite sandwich exterior wall panels have broad application prospects in engineering practice. However， they might often be subjected to accidental impact during their service life， making it essential to investigate their impact performance. This study conducted impact performance tests and numerical simulations on these wall panels. Two specimens with different spans were fabricated and tested under impact loading to investigate the dynamic responses and failure mechanisms. Subsequently， a numerical model considering the strength improvement at various strain rates was established and verified against the test results. Furthermore， a parametric analysis was conducted to evaluate the influence of six parameters， including the drop height， the mass and stiffness of the impactor， and the boundary conditions， on the impact performance of the composite sandwich exterior wall panels. Within a certain range， there is a positive correlation among the drop height， weight， stiffness， and impact force. As the boundary conditions intensify， the impact response time shortens.
- composite sandwich exterior wall panel,
- impact performance,
- numerical analysis,
- parametric analysis

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References(16)

References

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