Ballistic limit and damage assessment of hybrid fibre-reinforced cementitious thin composite plates under impact loading
Research output: Contribution to journal › Research article › Contributed › peer-review
Contributors
Abstract
Impact resistance of reinforced concrete (RC) structures can be significantly improved by strengthening RC members with thin composite layers featuring high damage tolerance. Indeed, to limit the well-known vulnerability of cement-based materials against impact loading, the synergistic effects of short fibres and continuous textile meshes as hybrid reinforcement has been proved to be highly beneficial. This paper addresses the characterisation of novel cement-based hybrid composites through accelerated drop-weight impact tests conducted on rectangular plates at different impact energies. Two distinct matrices are assessed, with particular interest in a newly developed limestone calcined clay cement (LC3)-based formulation. Important parameters quantifying energy dissipation capability, load bearing capacity and damage are cross-checked to compute the ballistic limit and estimate the safety-relevant characteristics of the different composites at hand. Although textiles alone can improve the damage tolerance of fine concrete to some extent, the crack-bridging attitude of short, well-dispersed fibres in hybrid composites imparts a certain ductility to the cement-based matrices, allowing a greater portion of the textile to be activated and significantly reducing the amount of matrix spalling under impact.
Details
Original language | English |
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Article number | 108037 |
Number of pages | 21 |
Journal | Journal of Building Engineering |
Volume | 80 (2023) |
Publication status | Published - 30 Oct 2023 |
Peer-reviewed | Yes |
External IDs
ORCID | /0000-0002-1825-1946/work/149081010 |
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ORCID | /0000-0001-6916-0086/work/149081389 |
ORCID | /0000-0003-2440-5670/work/149081423 |
ORCID | /0000-0002-6867-1340/work/149081694 |
ORCID | /0000-0003-0398-2735/work/149081848 |
ORCID | /0000-0001-6666-5388/work/149081994 |
ORCID | /0000-0002-1596-7164/work/149082276 |
Scopus | 85175089638 |
Mendeley | 49ac2462-b542-3adb-8fb2-49a3282b370b |
Keywords
Research priority areas of TU Dresden
DFG Classification of Subject Areas according to Review Boards
Sustainable Development Goals
ASJC Scopus subject areas
Keywords
- Cement-based composites, Impact loading, SHCC, Sustainable binders, TRC