Nanokil/Polimer/Bitüm Nanokompozit Hazırlama Yönteminin Asfalt Karışım Performansı Üzerindeki Etkilerinin Araştırılması

Yıl 2021, Cilt: 32 Sayı: 3, 10885 - 10906, 01.05.2021

Erol İskender , Atakan Aksoy

https://doi.org/10.18400/tekderg.686346

Cited By: 5

Öz

Bu çalışmanın amacı, nanokil/polimer/bitüm nanokompozitlerin üretim süreçlerinin asfalt karışım performansı üzerindeki etkilerini araştırmaktır. Çalışmada nanokil (NC) ile stiren bütadiyen stiren (SBS) elastomerik polimeri ve etilen vinil asetat (EVA) plastomerik polimerleri katılma önceliği değiştirilerek bitüme ilave edilmiştir. Polimer modifiye asfalt nanokompozitlerle üretilen asfalt karışımlar dolaylı çekme mukavemeti, modifiye Lottman yöntemi, tekrarlı sünme deneyi ve Fransız tekerlek izi testleri ile değerlendirilmiştir. EVA/nanokil/bitüm nanokompozitler için öncelikle EVA polimerinin eklenmesi durumunda su hasarı, deformasyon ve çatlama dirençlerinde artış gözlenmiştir. SBS’li nanokompozitler kullanıldığında önce nanokil ilavesi genelde daha iyi sonuçlar vermiştir.

Anahtar Kelimeler

Asfalt karışım, nanokil, nanokompozit, polimer, su hasarı, deformasyon

Destekleyen Kurum

Karadeniz Teknik Üniversitesi

Proje Numarası

9542

Investigation of the Effects of Nanoclay/Polymer/Bitumen Nanocomposite Preparation Method on Asphalt Mixture Performance

Öz

The aim of this study is to investigate the effects of the production processes of nanoclay/polymer/bitumen nanocomposites on the performance of the asphalt mixture. In the study, styrene butadiene styrene (SBS) and ethylene vinyl acetate (EVA) with nanoclay (NC) were added to the bitumen by changing the priority of adding. Asphalt mixtures produced with polymer modified asphalt nanocomposites were evaluated by indirect tensile strength, modified Lottman method, repeated creep test and LCPC French rutting test. For EVA/nanoclay/bitumen nanocomposites, when EVA polymer was added to bitumen before nanoclay, higher water damage, cracking and deformation resistances were obtained. For SBS/nanoclay/bitumen nanocomposites, better results were revealed by adding NC before.

Anahtar Kelimeler

Asphalt mixture, nanoclay, nanocomposites, polymer, water damage, deformation

Proje Numarası

9542

Kaynakça

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