Konu "Fly ash" için listeleme
Toplam kayıt 4, listelenen: 1-4
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Comparing the pozzolanic activity properties of obsidian to those of fly ash and blast furnace slag
(Elsevier Sci Ltd, 2018)The use of pozzolan in cement provides economic advantages and improves the physico-mechanical properties of cement. Fly ash and blast furnace slag are widely used in cement as pozzolanic materials. in this study, obsidian ... -
Determination of natural radioactivity levels of some concretes and mineral admixtures in Turkey
(Asian Journal of Chemistry, 2014)Nine concrete samples with or without mineral admixtures have been analyzed for their naturally occurring radionuclide of Ra-226, Th-232 and K-40 using HPGe gamma spectrometry. Also, concrete raw materials such as aggregate, ... -
Farklı incelikte öğütülmüş obsidyen katkılı çimentoların puzolanik özelliklerinin tayini
(Recep Tayyip Erdoğan Üniversitesi / Fen Bilimleri Enstitüsü / İnşaat Mühendisliği Anabilim Dalı, 2019)Bu çalışmada üç farklı inceliğe sahip obsidyen, uçucu kül ve yüksek fırın cürufu ilaveli çimentoların puzolanik aktiviteleri incelenerek Rize yöresi obsidyeninin çimentoda puzolan olarak kullanılabilirliği araştırılmıştır. ... -
Sodium silicate effect on setting properties, strength behavior and microstructure of cemented coal fly ash backfill
(Elsevier, 2021)Representing an engineered mixture of coal fly ash, cement and water, cemented coal fly ash backfill (CCB) is typically employed for filling the openings created after coal excavation in the earth. A high rate of productivity ...