Çam kozalaklarından elde edilen piroliz ürünlerinin bitümlü bağlayıcı katkı maddesi olarak değerlendirilmesi

Yıl 2024, Cilt: 13 Sayı: 3, 1020 - 1026, 15.07.2024

İbrahim Aslan Yüksel Tasdemir

https://doi.org/10.28948/ngumuh.1440722

Öz

Bu çalışmada, çam kozalaklarının pirolizinden elde edilen biyoçar ve biyo-yağın bitümlü bağlayıcı üzerindeki etkisi incelenmiştir. Bitümlü bağlayıcı, %5, 10 ve 15 oranlarında biyoçar ve %2, 4 ve 6 oranlarında biyoyağ kullanılarak modifiye edilmiştir. Saf ve modifiye bitümlü bağlayıcıların fiziksel ve reolojik özellikleri penetrasyon, yumuşama noktası, dönel viskozimetre (RV) ve dinamik kesme reometresi (DSR) testleri ile incelenmiştir. Deneylerden elde edilen veriler kullanılarak bağlayıcıların sıcaklık hassasiyetleri ve tekerlek izi dirençleri değerlendirilmiştir. Çam kozalaklarından elde edilen biyoçar ve biyoyağ gibi pirolitik ürünlerin bitümlü bağlayıcılarda katkı maddesi olarak kullanımının, bitümlü bağlayıcının sıcaklık hassasiyetini azaltabileceği ve tekerlek izine karşı direncini arttırabileceği belirlenmiştir.

Anahtar Kelimeler

Bitümlü bağlayıcı, Biyo-yağ, Biyoçar, Modifikasyon, Çam kozalağı

Evaluation of pyrolysis products from pine cones as additives for bituminous binders

Öz

This research examined the impact of biochar and bio-oil, derived from the pyrolysis process of pine cones, on a bituminous binder. The bituminous binder underwent modification by including biochar at concentrations of 5%, 10%, and 15%, as well as bio-oil at concentrations of 2%, 4%, and 6%. The penetration, softening point, rotational viscometer (RV), and dynamic shear rheometer (DSR) tests were conducted to examine the physical and rheological characteristics of both natural and modified bituminous binders. The binders' temperature sensitivity and rutting resistance were assessed based on the data acquired from the testing. The study concluded that including pyrolytic materials, namely biochar and bio-oil derived from pine cones, as additives in bituminous binders may effectively reduce the temperature sensitivity of the binder and enhance its resistance to rutting.

Anahtar Kelimeler

Bituminous binder, Bio-oil, Biochar, Modification, Pine cone

Kaynakça

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