DOI QR코드

DOI QR Code

Impact resistant properties of Kagome truss reinforced composite panels

  • Choi, Jeong-Il (Biohousing Research Center, Chonnam National University) ;
  • Park, Se-Eon (Department of Architecture and Civil Engineering, Chonnam National University) ;
  • Lee, Sang-Kyu (Department of Architectural Engineering, Chungnam National University) ;
  • Kim, Gyu-Yong (Department of Architectural Engineering, Chungnam National University) ;
  • Hwang, Jae-Seung (Department of Architecture and Civil Engineering, Chonnam National University) ;
  • Lee, Bang Yeon (Department of Architecture and Civil Engineering, Chonnam National University)
  • 투고 : 2020.11.07
  • 심사 : 2021.11.02
  • 발행 : 2021.11.25

초록

This paper presents an experimental study exploring impact resistant properties of Kagome truss reinforced composite panels. Three types of panels with different materials and reinforcements, i.e., ultra-high-performance mortar, steel fiber, and Kagome truss, were designed and manufactured. High-velocity projectile impact tests were performed to investigate the impact response of panels with dimensions of 200 mm×200 mm×40 mm. The projectile used in the testing was a steel slug with a hemispherical front; the impact energy was 1 557 J. Test results showed that the Kagome truss reinforcement was effective at improving the impact resistance of panels in terms of failure patterns, damaged area, and mass loss. Synergy effects of a combination of Kagome truss and fiber reinforcements for the improvement of impact resistance capacity of ultra-high-performance mortar were also observed.

키워드

과제정보

This research was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. 2019R1A2C4069794).

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