Effects of Repeated Wet-dry Cycles on Compressive Strength of Fly-ash Based Recycled Aggregate Geopolymer Concrete (RAGC)
Başlık:
Effects of Repeated Wet-dry Cycles on Compressive Strength of Fly-ash Based Recycled Aggregate Geopolymer Concrete (RAGC)
Yazar:
Mendelson, Monica, author.
ISBN:
9780438011946
Yazar Ek Girişi:
Fiziksel Tanımlama:
1 electronic resource (114 pages)
Genel Not:
Source: Masters Abstracts International, Volume: 57-06M(E).
Advisors: Khaled Sobhan Committee members: Frederick Bloetscher; Dronnadula V. Reddy.
Özet:
Geopolymer concrete (GC) is a sustainable construction material and a great alternative to regular concrete. GC is a zero-cement material made from a combination of aluminate, silicate and an activator to produce a binder-like substance.
This investigation focused on the effects of wet and dry cycles on the strength and durability of fly ash-based recycled aggregate geopolymer concrete (RAGC). The wet-dry cycles were performed approximately according to ASTM D559 standards.
RAGC specimens with nearly 70% recycled materials (recycled aggregate and fly ash) achieved a compressive strength of approximately 3600 psi, after 7 days of heat curing at 60°C. Although the recycled aggregate is prone to high water absorption, the compressive strength decreased by only 4% after exposure to 21 wet-dry cycles, compared to control specimens that were not exposed to the same conditions. Accordingly, the RAGC material developed in this study can be considered as a promising environmentally friendly alternative to cement-based regular concrete.
Notlar:
School code: 0119
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Yer Numarası | Demirbaş Numarası | Shelf Location | Lokasyon / Statüsü / İade Tarihi |
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XX(690758.1) | 690758-1001 | Proquest E-Tez Koleksiyonu | Arıyor... |
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