{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,25]],"date-time":"2026-03-25T12:03:41Z","timestamp":1774440221231,"version":"3.50.1"},"reference-count":50,"publisher":"MDPI AG","issue":"17","license":[{"start":{"date-parts":[[2024,8,24]],"date-time":"2024-08-24T00:00:00Z","timestamp":1724457600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Applied Sciences"],"abstract":"<jats:p>Withstanding extreme events is increasingly a significant challenge for the construction industry. Where civil infrastructures remain using traditional concrete, which has low tensile strength, poor durability, and weak crack resistance, in this regard, ultra-high-performance concrete (UHPC), with its outstanding mechanical properties and high strength, offers the prospect of wide application. This advanced technology allows for the fabrication of thin and light-dimensional structures to accelerate construction while increasing corrosion resistance to minimize maintenance intervention and extend the service life of the infrastructures. Despite this, UHPC is less eco-friendly due to consuming more cement than the usual material, which requires replacement materials, such as silica fume (SF) and rice husk ash (RHA), which are readily available from other local material production. This study proposes an experimental approach to assess the influence of SF and RHA content on the properties of UHPC. Different SF and RHA compositions will be adjusted to analyze their effects on slump flow, compressive strength, flexural strength, tensile strength, and the stress\u2013strain relationship in UHPC tension testing. Based on the results, the most effective ratio is RHA replacing 50% of the SF in the UHPC mixture. Specialized tensile experiments reveal enhanced tensile strength with judicious RHA incorporation at 5-day and 28-day stages, particularly in initial crack and damage conditions. Stress\u2013strain curves for 5% to 15% RHA samples show increased ductility, indicating that optimal RHA-SF ratios enhance UHPC cracking characteristics. Based on the results, a discussion on the appropriate proportions for utilizing most local materials will be derived, especially for regions of Vietnam. It is evaluated as a feasible and promising solution to reduce greenhouse gas emissions threatening global climate change.<\/jats:p>","DOI":"10.3390\/app14177484","type":"journal-article","created":{"date-parts":[[2024,8,26]],"date-time":"2024-08-26T04:48:25Z","timestamp":1724647705000},"page":"7484","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["An Assessment of the Impact of Locally Recycled Cementitious Replacement Materials on the Strength of the Ultra-High-Performance Concrete"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8101-4698","authenticated-orcid":false,"given":"Thuc V.","family":"Ngo","sequence":"first","affiliation":[{"name":"Urban Infrastructure Faculty, Mien Tay Construction University, Vinh Long 85100, Vietnam"}]},{"given":"Viet Ba","family":"Tran","sequence":"additional","affiliation":[{"name":"Vietnam Concrete Association, Ha Noi 11100, Vietnam"}]},{"given":"Bao Hoai","family":"Le","sequence":"additional","affiliation":[{"name":"Urban Infrastructure Faculty, Mien Tay Construction University, Vinh Long 85100, Vietnam"}]},{"given":"Huyen T.","family":"Dang","sequence":"additional","affiliation":[{"name":"Department of Civil Engineering, ISISE, ARISE, University of Minho, 4800-058 Guimar\u00e3es, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1536-2149","authenticated-orcid":false,"given":"Jos\u00e9","family":"Matos","sequence":"additional","affiliation":[{"name":"Department of Civil Engineering, ISISE, ARISE, University of Minho, 4800-058 Guimar\u00e3es, Portugal"}]},{"given":"Minh Q.","family":"Tran","sequence":"additional","affiliation":[{"name":"Department of Civil Engineering, ISISE, ARISE, University of Minho, 4800-058 Guimar\u00e3es, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3341-3034","authenticated-orcid":false,"given":"Son N.","family":"Dang","sequence":"additional","affiliation":[{"name":"Department of Civil Engineering, ISISE, ARISE, University of Minho, 4800-058 Guimar\u00e3es, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2024,8,24]]},"reference":[{"key":"ref_1","unstructured":"WMO (2023). 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