Mechanical and durability properties of polymer fiber reinforced one-part foam geopolymer concrete: A sustainable strategy for the recycling of waste steel slag aggregate and fly ash
Yazarlar (5)
Dr. Öğr. Üyesi Adem AHISKALI Kastamonu Üniversitesi, Türkiye
Mehtiali Ahıskalı
Kastamonu Üniversitesi, Türkiye
Doç. Dr. Oğuzhan Yavuz BAYRAKTAR Kastamonu Üniversitesi, Türkiye
Doç. Dr. Gökhan Kaplan Atatürk Üniversitesi, Türkiye
Joseph Assaad
University Of Balamand, Lübnan
Makale Türü Özgün Makale (SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale)
Dergi Adı Construction and Building Materials (Q1)
Dergi ISSN 0950-0618 Wos Dergi Scopus Dergi
Dergi Tarandığı Indeksler SCI-Expanded
Makale Dili İngilizce Basım Tarihi 08-2024
Cilt / Sayı / Sayfa 440 / 1 / 137492–0 DOI 10.1016/j.conbuildmat.2024.137492
Makale Linki http://dx.doi.org/10.1016/j.conbuildmat.2024.137492
UAK Araştırma Alanları
Yapı Malzemeleri
Özet
This paper assesses the feasibility of geopolymers (GPs) for use as lightweight foamed concrete, a crucial step towards reducing the carbon footprint and conserving natural resources. A powder activator (i.e., sodium metasilicate) less harmful to the environment was used to activate the fly ash-based GPs, while the limestone aggregates were gradually replaced by up to 100 % waste slag materials to conserve natural resources. Polypropylene fibers were incorporated at high dosage rates of 1 % or 2 %, by volume, to reduce the concrete density and improve its durability properties. Tested properties include flow, density, water absorption, porosity, thermal conductivity, mechanical strengths, drying shrinkage, and resistance to sulfate attack, freeze/thaw cycles, and elevated temperature. Results showed that the concrete mechanical properties improved when the limestone aggregate was replaced by slag …
Anahtar Kelimeler
Durability | Foam concrete | Polymer fibers | Recycling | Sustainability | Waste slag aggregate