{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T02:23:41Z","timestamp":1760149421425,"version":"build-2065373602"},"reference-count":33,"publisher":"MDPI AG","issue":"8","license":[{"start":{"date-parts":[[2023,7,31]],"date-time":"2023-07-31T00:00:00Z","timestamp":1690761600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Buildings"],"abstract":"<jats:p>This paper investigates the fragment performance of several composite panels for attaching to the inside walls of a building structure. These panels were developed using different types of fiber woven fabrics (W0, W90) combined with distinct layers orientations (angle-ply effect) of L0\/0 and L0\/15. Aramid, E-glass, and S-glass fiber fabrics impregnated with thermosetting epoxy resin, and a prepreg of Ultra High Molecular Weight Polyethylene (HB24) were employed. The panels are subjected to ballistic impact using different fragments under impact velocities in the range of 120 to 420 m\/s. In order to measure the energy absorbed by the ballistic panels, the impact velocity and the residual velocity of the fragment were measured with laser chronographs placed before and after the laminated test specimens. The paper demonstrates quantitatively that the angle-ply laminates produced using L0\/15 woven fabric orientation presented a higher impact energy absorption, promoting higher reductions on the fragment residual velocity compared to the L0\/0 orientations. The laminates produced using UHMWPE fibers (HB24) presented better ballistic properties compared to the other fibers. Furthermore, it was noted that the energy dissipation rate is linearly correlated with the impact velocity and is independent of the fragment geometry.<\/jats:p>","DOI":"10.3390\/buildings13081959","type":"journal-article","created":{"date-parts":[[2023,8,1]],"date-time":"2023-08-01T09:14:40Z","timestamp":1690881280000},"page":"1959","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Blast Fragment Impact of Angle-Ply Composite Structures for Buildings Wall Protection"],"prefix":"10.3390","volume":"13","author":[{"given":"Daniel","family":"Barros","sequence":"first","affiliation":[{"name":"Fibrenamics Association, 4800-058 Guimar\u00e3es, Portugal"},{"name":"Centre for Textile Science and Technology, University of Minho, 4800-058 Guimar\u00e3es, Portugal"}]},{"given":"Carlos","family":"Mota","sequence":"additional","affiliation":[{"name":"Fibrenamics Association, 4800-058 Guimar\u00e3es, Portugal"},{"name":"Centre for Textile Science and Technology, University of Minho, 4800-058 Guimar\u00e3es, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0950-4961","authenticated-orcid":false,"given":"Jo\u00e3o","family":"Bessa","sequence":"additional","affiliation":[{"name":"Fibrenamics Association, 4800-058 Guimar\u00e3es, Portugal"},{"name":"Centre for Textile Science and Technology, University of Minho, 4800-058 Guimar\u00e3es, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1566-3566","authenticated-orcid":false,"given":"Fernando","family":"Cunha","sequence":"additional","affiliation":[{"name":"Fibrenamics Association, 4800-058 Guimar\u00e3es, Portugal"},{"name":"Centre for Textile Science and Technology, University of Minho, 4800-058 Guimar\u00e3es, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3363-0151","authenticated-orcid":false,"given":"Pedro","family":"Rosa","sequence":"additional","affiliation":[{"name":"IDMEC, Instituto Superior T\u00e9cnico, University of Lisbon, 1049-001 Lisbon, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3303-6563","authenticated-orcid":false,"given":"Raul","family":"Fangueiro","sequence":"additional","affiliation":[{"name":"Fibrenamics Association, 4800-058 Guimar\u00e3es, Portugal"},{"name":"Centre for Textile Science and Technology, University of Minho, 4800-058 Guimar\u00e3es, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2023,7,31]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"104283","DOI":"10.1016\/j.ijimpeng.2022.104283","article-title":"Damage ehaviour and assessment of polyurea sprayed reinforced clay brick masonry walls subjected to close-in blast loads","volume":"167","author":"Zhu","year":"2022","journal-title":"Int. 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