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dc.contributor.authorLiu, J.
dc.contributor.authorWu, C.
dc.contributor.authorLi, Jun
dc.contributor.authorFang, J.
dc.contributor.authorSu, Y.
dc.contributor.authorShao, R.
dc.identifier.citationLiu, J. and Wu, C. and Li, J. and Fang, J. and Su, Y. and Shao, R. 2019. Ceramic balls protected ultra-high performance concrete structure against projectile impact–A numerical study. International Journal of Impact Engineering. 125: pp. 143-162.

© 2018 Elsevier Ltd Ceramic materials have excellent mechanical properties such as light weight, great hardness and high compressive strength. In this paper, a numerical study is conducted to investigate the response of ceramic balls protected ultra-high performance concrete (UHPC) targets against the high-velocity rigid projectile impact using the coupled smoothed particle hydrodynamics-finite element (SPH-FE) method in LS-DYNA. Based on the validated numerical models, parametric studies are performed to explore the effect of diameter, spatial arrangement and material type of ceramic balls as well as the impact position on the dynamic performance of UHPC targets, and then perforation and ballistic limits of ceramic balls protected UHPC targets are obtained. Compared with other UHPC slabs at the striking velocities from 500 m/s to 850 m/s, UHPC slabs protected with 6-layer hex-pack arranged ceramic balls with the diameter of 20 mm is most effective in terms of reducing the depth of penetration (DOP). In addition, the utilization of ceramic balls is economical in protective structures since the damaged ceramic balls can be replaced and undamaged ceramic balls are reusable.

dc.titleCeramic balls protected ultra-high performance concrete structure against projectile impact–A numerical study
dc.typeJournal Article
dcterms.source.titleInternational Journal of Impact Engineering
curtin.departmentSchool of Civil and Mechanical Engineering (CME)
curtin.accessStatusFulltext not available

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