Journals / Düzce Üniversitesi Bilim ve Teknoloji Dergisi / 2022 / Cilt: 10 - Sayı: 2

The Use of Olivine Mineral From Chrome Ore Enrıchment Process Wastes as Fillers in Asphalt Concrete

Atık Olivin Mineralinin Asfalt Betonunda Filler Olarak Kullanımı

Pages
555–566
Publication Date
2022-10-12
DOI
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AI Summary & Key Takeaways

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

According to the results, the changes in the engineering properties of asphalt concrete were compared according to the olivine percentages substituted with traditional crushed stone filler material.

📌 3 Key Takeaways

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Objective & Hypothesis:In this study, the usability of the waste olivine material obtained as a result of enrichment of chromite ore in Eti Krom plants as fillers in flexible superstructures was investigated.
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Key Findings & Data:In the first stage, the rate of fixed fillers in the gradation obtained by using traditional crushed stone powder was taken as 4.7% and the optimum bitumen percentage was obtained by taking the bitumen rate as 3.5%, 4.0%, 4.5%, 5.0%, 5.5%.
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Conclusion & Impact:According to the results, the changes in the engineering properties of asphalt concrete were compared according to the olivine percentages substituted with traditional crushed stone filler material.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Olivin · Atık · Bitümlü Sıcak Karışımlar

Abstract

In this study, the usability of the waste olivine material obtained as a result of enrichment of chromite ore in Eti Krom plants as fillers in flexible superstructures was investigated. In the first stage, the rate of fixed fillers in the gradation obtained by using traditional crushed stone powder was taken as 4.7% and the optimum bitumen percentage was obtained by taking the bitumen rate as 3.5%, 4.0%, 4.5%, 5.0%, 5.5%. In the second stage, stability, flow, practical specific gravity, percentage of voids, percentage of asphalt filled voids and aggregates to the deposits created by replacing olivine in the ratio of 25%, 50%, 75% and 100% to the traditional crushed stone powder with the optimum percentage of bitumen found in the first stage. Percentage of gap was tested. According to the results, the changes in the engineering properties of asphalt concrete were compared according to the olivine percentages substituted with traditional crushed stone filler material.

Özet

Bu çalışmada ferrokrom tesislerinde kromit cevherinin zenginleştirilmesi sürecinde ortaya çıkan atık olivin malzemesinin esnek üstyapılarda filler olarak kullanılabilirliği araştırılmıştır. İlk aşamada geleneksel kırmataş kalker agregası tozu kullanılarak elde edilen gradasyonda sabit filler oranı %4.7 olarak alınmış ve bitüm oranı %3,5, %4,0, %4,5, %5,0, %5,5 alınarak optimum bitüm yüzdesi elde edilmiştir. İkinci aşamada, ilk aşamada bulunan optimum bitüm yüzdesi ile geleneksel kırmataş kalker agregası tozuna %0, %25, %50, %75 ve %100 oranlarında olivin ikame edilerek oluşturulan numunelere; stabilite, akma, pratik özgül ağırlık, boşluk yüzdesi, asfalt dolu boşluk yüzdesi ve agregalar arası boşluk yüzdesi deneyi yapılmıştır. Elde edilen sonuçlara göre geleneksel kırmataş kalker agregası filler malzemesiyle ikame edilen olivin yüzdelerine göre asfalt betonunun mühendislik özelliklerinin değişimi karşılaştırılmıştır. Sonuç olarak olivinin sıcak karışım asfalt betonlarda filler malzeme olarak kullanılabileceği görülmüştür.

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Cite This Article

CANPOLAT, M., BEYCİOĞLU, A., MOROVA, N., ÇETİN, S., ÇETİN, H. M., GÜNDOĞAN, H. (2022). The Use of Olivine Mineral From Chrome Ore Enrıchment Process Wastes as Fillers in Asphalt Concrete. Düzce Üniversitesi Bilim ve Teknoloji Dergisi, Cilt: 10 - Sayı: 2, 555–566. https://ajindex.com/articles/493799

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