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Journals / Anadolu Üniversitesi Bilim ve Teknoloji Dergisi :A-Uygulamalı Bilimler ve Mühendislik / 2005 / Cilt: 6 - Sayı: 2

The effect of partial replacement of fine aggregate with a volcanic slag on the properties of concrete

İnce agreganın bir kısmı yerine volkanik cüruf kullanımının beton özelliklerine etkisi

Şemsi YAZICI
Gözde İNAN
Pages
197–202
Publication Date
2022-10-11
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

It was concluded that concrete prepared with up to 15 % of volcanic slag replacement with fine aggregate caused workability problem and about 10 % reduction of compressive and splitting tensile strength.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:In this study, the effects of partial replacement of fine aggregate with a volcanic slag on the properties of concrete having various water/cement ratios were investigated.
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Key Findings & Data:For this purpose, 0, 5, 10 and 15 % (by volume) of fine aggregate of concrete mixtures, having water/cement ratios of 0.4, 0.5 and 0.6 were replaced by a volcanic slag.
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Conclusion & Impact:It was concluded that concrete prepared with up to 15 % of volcanic slag replacement with fine aggregate caused workability problem and about 10 % reduction of compressive and splitting tensile strength.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

In this study, the effects of partial replacement of fine aggregate with a volcanic slag on the properties of concrete having various water/cement ratios were investigated. For this purpose, 0, 5, 10 and 15 % (by volume) of fine aggregate of concrete mixtures, having water/cement ratios of 0.4, 0.5 and 0.6 were replaced by a volcanic slag. Unit weight test and slump test were conducted on fresh concrete. Compressive strength, splitting tensile strength and ultrasonic pulse velocity were determined by 150 mm cubic specimens after the application of curing period of 7 and 28 days. It was concluded that concrete prepared with up to 15 % of volcanic slag replacement with fine aggregate caused workability problem and about 10 % reduction of compressive and splitting tensile strength. If these situations are considered, it can be suggested that these concretes can be used for structural purposes.

Özet

Bu çalışmada değişik su/çimento oranına sahip betonlarda, kumun yerine değişik oranlarda volkanik cüruf kullanımının beton özellikleri üzerindeki etkileri incelenmiştir. Bu amaçla; su/çimento oranları 0.4, 0.5, 0.6 olan ve ince agreganın hacimce % 0, 5, 10, 15 'i oranlarında volkanik cüruf kullanılarak betonlar üretilmiştir. Bu betonlar üzerinde taze haldeyken birim hacim ağırlık ve çökme deneyleri gerçekleştirilmiştir. Üretilen betonlardan hazırlanmış 150 mm ayrıtlı küp örneklerin, 7 ve 28 günlük standart kür işleminden sonra basınç ve yarmada çekme dayanımları belirlenmiştir. Ayrıca basınç ve yarmada çekme dayanımları belirlenen örnekler üzerinde ultra ses hızı ölçümleri de yapılmıştır. Elde edilen sonuçlara göre, ince agrega yerine % 15 'e varan oranlarda volkanik cüruf kullanımı betonlarda işlenebilme problemine ve ortalama % 10 civarında çekme-basınç dayanımlarında kayıplara sebep olmuştur. Bu durumlar dikkate alınırsa, bu betonların yapısal amaçlı olarak kullanılabileceği görülmüştür.

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Cite This Article

YAZICI, Ş., İNAN, G. (2022). The effect of partial replacement of fine aggregate with a volcanic slag on the properties of concrete. Anadolu Üniversitesi Bilim ve Teknoloji Dergisi :A-Uygulamalı Bilimler ve Mühendislik, Cilt: 6 - Sayı: 2, 197–202. https://ajindex.com/articles/438427

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