Properties of concrete containing nonground ash and slag as fine aggregate

The possibility of using granulated blast-furnace slag (GBFS), furnace bottom ash (FBA), and their combination as fine aggregates in concrete was studied by performing experiments. These materials were used without applying any preprocesses such as sieving and grinding. The compressive, flexural, and split tensile strengths of concretes with natural sand replaced with GBFS, FBA, and GBFS plus FBA at 10, 20, 30, 40, and 50% were examined at a fixed water-cement ratio (w/c). The percentages represent the replacement percentage of fine aggregate by GBFS, FBA, or their combination and were evaluated depending on weight basis. Also, microstructure and water absorption capacity of concrete were researched. Test results showed that concrete strength decreases with increasing replacement ratio with respect to reference concrete. In addition, FBA decreases the strength of concrete more than GBFS. In particular, the strength of concrete was detrimentally affected when the replacement ratio was beyond 40%. The micro structure studies showed that different pore structures were formed in the concrete depending on the replacement material, that is, GBFS or FBA. It is concluded that the main reason for the strength reduction in new concrete is the formation of a porous concrete structure. Moreover, an increase trend in water absorption capacity was observed for both replacement materials. Copyright © 2007, American Concrete Institute. All rights reserved.

Dergi Adı ACI Materials Journal
Dergi Cilt Bilgisi 104
Dergi Sayısı 4
Sayfalar 397 - 403
Yayın Yılı 2007
Eser Adı
[dc.title]
Properties of concrete containing nonground ash and slag as fine aggregate
Yazar
[dc.contributor.author]
Yüksel, İsa
Yazar
[dc.contributor.author]
Genç, Ayten
Yayın Yılı
[dc.date.issued]
2007
Yayın Türü
[dc.type]
article
Özet
[dc.description.abstract]
The possibility of using granulated blast-furnace slag (GBFS), furnace bottom ash (FBA), and their combination as fine aggregates in concrete was studied by performing experiments. These materials were used without applying any preprocesses such as sieving and grinding. The compressive, flexural, and split tensile strengths of concretes with natural sand replaced with GBFS, FBA, and GBFS plus FBA at 10, 20, 30, 40, and 50% were examined at a fixed water-cement ratio (w/c). The percentages represent the replacement percentage of fine aggregate by GBFS, FBA, or their combination and were evaluated depending on weight basis. Also, microstructure and water absorption capacity of concrete were researched. Test results showed that concrete strength decreases with increasing replacement ratio with respect to reference concrete. In addition, FBA decreases the strength of concrete more than GBFS. In particular, the strength of concrete was detrimentally affected when the replacement ratio was beyond 40%. The micro structure studies showed that different pore structures were formed in the concrete depending on the replacement material, that is, GBFS or FBA. It is concluded that the main reason for the strength reduction in new concrete is the formation of a porous concrete structure. Moreover, an increase trend in water absorption capacity was observed for both replacement materials. Copyright © 2007, American Concrete Institute. All rights reserved.
Kayıt Giriş Tarihi
[dc.date.accessioned]
2019-12-23
Açık Erişim Tarihi
[dc.date.available]
2019-12-23
Yayın Dili
[dc.language.iso]
eng
Konu Başlıkları
[dc.subject]
Compressive strength
Konu Başlıkları
[dc.subject]
Fly ash
Konu Başlıkları
[dc.subject]
Slag
Künye
[dc.identifier.citation]
Yuksel, I. ve Genc, A. (2007). Properties of concrete containing nonground ash and slag as fine aggregate. Aci Materials Journal, 104(4), 397-403.
Haklar
[dc.rights]
info:eu-repo/semantics/openAccess
ISSN
[dc.identifier.issn]
0889325X
İlk Sayfa Sayısı
[dc.identifier.startpage]
397
Son Sayfa Sayısı
[dc.identifier.endpage]
403
Dergi Adı
[dc.relation.journal]
ACI Materials Journal
Dergi Sayısı
[dc.identifier.issue]
4
Dergi Cilt Bilgisi
[dc.identifier.volume]
104
Tek Biçim Adres
[dc.identifier.uri]
https://hdl.handle.net/20.500.12628/7217
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concrete replacement strength structure absorption capacity depending decreases showed combination materials porous addition reference respect Copyright increasing American Concrete Institute rights reserved particular affected detrimentally structures reduction Moreover reason concluded results formed formation different studies
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