Yüksek Fırın Cürufu İkamesinin Çimentolu Macun Dolgunun Dayanım Özelliklerine Etkisi

Year 2020, , 701 - 714, 15.06.2020

Hasan Eker , Ataç Başçetin Serkan Tüylü , Deniz Adıgüzel

https://doi.org/10.24012/dumf.627148

Cited By: 1

Abstract

Yeraltı madenciliğinde atık depolama yöntemlerden biri
olan çimentolu macun dolguda (ÇMD) üretim için gerekli olan dayanımın
yakalanması ve daha da geliştirilmesi bu çalışmanın amacını oluşturmaktadır. Bu
kapsamda yüksek fırın cürufu (YFC) kullanılmış, kısa ve uzun vadede ÇMD dayanım
özellikleri üzerindeki etkisi araştırılmıştır. ÇMD numuneleri önce, % 3, 5, 7,
9 ve 11 portland çimentosu ile hazırlanmış, daha sonra ise YFC ikamesi olarak
çimentonun yerine ağırlıkça % 25, % 50 ve % 75’i ile karıştırılarak numuneler
oluşturulmuştur. 3, 7, 14, 28, 56 ve 90 günlük kür sürelerine göre tek eksenli
basınç dayanımı (TEBD) deneyi yapılmıştır. Deney sonuçlarına göre, yalnızca % 3
çimento (Ç) oranındaki % 75 YFC ikameli karışımlar macun dolgu için gerekli
olan sıvılaşma riski sınırının (0,15 MPa) altında kalmış, 28 günlük kür
süresinde arakatlı kazı için istenilen dayanım sınır değeri (≥ 0.7 MPa) % 7
Ç’nin % 25 YFC, % 9 Ç’nin %25 ve %50 YFC, % 11 Ç’nun % 25 ve %50 YFC
oranlarındaki karışımlar sağlamaktadır. Ancak tahkimat amaçlı olarak YFC
katkılı ÇMD kullanılmaması ya da bu konuda dayanımı geliştirebilmek için daha
farklı katkı malzemelerinin de kullanılmasının gerekliliği belirlenmiştir.

Keywords

Çimentolu macun dolgu, Yüksek fırın cürufu, Tek eksenli basınç dayanımı, Atık

Supporting Institution

İstanbul Üniversitesi Bilimsel Araştırma Projeleri Koordinasyon Birimi

Project Number

FDK-2018-24707.

Thanks

Bu çalışma İstanbul Üniversitesi Bilimsel Araştırma Projeleri Koordinasyon Birimi Tarafından Desteklenmiştir. Proje numarası: FDK-2018-24707.

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