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Dergiler / Pamukkale Üniversitesi Mühendislik Bilimleri Dergisi / 2018 / Cilt: 24 Sayı: 6

Silis dumanı katkılı geri kazanılmış agregalı betonların elastisite modüllerinin karşılaştırmalı analizi

A comparative analysis of elasticity modulus of recycled aggregate concrete with silica fume

Özgür Çakır, Hasan Dilbas

Sayfa
1069–1078
Yayın Tarihi
2018-12-18
DOI
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Özet

Normal 0 false false false TR X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Normal Tablo"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri",sans-serif; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi; mso-ansi-language:TR;} Atık malzemelerin geri dönüşümü, doğal kaynakların korunmasından ve yaşanabilir bir gelecek için öncülük edecek çevresel etkilerinin azaltılmasından dolayı, yapı sektöründe sürdürülebilirlik kavramı üzerinde önemli bir etkiye sahiptir. Yapım işlemleri, genellikle, yüksek miktarda yapı ve yıkıntı atığı (YYA) oluşumuyla sonuçlanmakta ve geri dönüşüm işlemi ardından YYA bertaraf edilmesi için inşaat mühendisliği uygulamalarında, özellikle geri kazanılmış agregalı betonda (GKA-B), geri kazanılmış agrega (GKA) olarak kullanımı büyük potansiyele sahiptir. Bu bağlamda, çeşitli oranlarda GKA (0-30-40-70-100%) ve çeşitli oranlarda silis dumanı (SD) (0-5-10%) içeren beton karışımları GKA-B‘ nun elastisite modülünü belirlemek üzere üretilmiştir. Bu çalışma, çeşitli standartlar tarafından ve çeşitli araştırmacılar tarafından önerilen teorik elastisite modülü formüllerince hesaplanan GKA-B elastisite modülü değerlerinin deneysel olarak elde edilen GKA-B elastisite modülü değerlerine yakınlıklarının olup olmadığını göstermeyi amaçlamaktadır. Analitik ve istatistik değerlendirmeler yapılmıştır. Sonuç olarak, GKA oranının betondaki artışı ile elastisite modülü azalmaktadır. GKA-B’da SD kullanımı elastisite modülünü ve basınç dayanımını artırmaktadır. İrdelenen standartlar göz önüne alındığında, Amerikan standardı (ACI 318-05) elastisite modülünü deneysel sonuçlara göre, en yüksek standart sapma göstermesine rağmen, yakın tahmini vermektedir. Diğer taraftan araştırmacılar tarafından GKA-B elastisite modülü tahmini için önerilen denklemler, irdelenen standartların ve deney sonuçlarının üzerinde sonuç vermektedirler. SD içeren ve içermeyen betonlar için bir elastisite modülü denklemi de bu çalışmada önerilmektedir.

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Bu Makaleye Atıf Yap

Çakır, Ö., Dilbas, H. (2018). Silis dumanı katkılı geri kazanılmış agregalı betonların elastisite modüllerinin karşılaştırmalı analizi. Pamukkale Üniversitesi Mühendislik Bilimleri Dergisi, Cilt: 24 Sayı: 6, 1069–1078. https://ajindex.com/articles/1058693

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