Polimer Katkılı Bitümlü Sıcak Karışımların İzmir Hava Durumu Şartlarındaki Marshall Stabilite Performansının İncelenmesi

Yıl 2021, Cilt: 21 Sayı: 5, 1157 - 1166, 31.10.2021

Sajjad Hassanpour Kasanagh , Perviz Ahmedzade , Taylan Günay

https://doi.org/10.35414/akufemubid.890079

Cited By: 2

Öz

Çalışmada, İzmir ili hava şartları dikkate alınarak, Superpave şartnamesine göre, bitümlü sıcak karışımlar (BSK) için uygun bağlayıcı seçim yöntemi incelenmiştir. Bağlayıcının yüksek sıcaklık performans sınıfını (PG) arttırmak amacıyla stiren-butadien-stiren (SBS) ve etilen-vinil-asetat (EVA) olmak üzere iki farklı elastomer ve plastomer kopolimerleri katkı malzemesi olarak kullanılmıştır. BSK’nın ana bileşenleri olan orijinal ve polimer katkılı bağlayıcılar ile Superpave gradasyonlu agrega üzerinde çeşitli deneyler uygulanması suretiyle, bitüm ve BSK malzemelerin fiziksel özellikleri belirlenmiştir. Marshall karışım numuneleri hazırlanarak orijinal bağlayıcının karışımdaki optimum içeriği belirlenmiş ve ardından polimer katkılı karışımlar hazırlanarak Marshall stabilite deneyi gerçekleştirilmiştir. Çalışmanın amacı polimer katkılı BSK’ların İzmir ilinin iklim şartlarındaki performansının incelenmesidir. İki polimerin de deney sonuçları karşılaştırmalı olarak incelendiğinde SBS katkılı karışımların İzmir ili yollarında kullanmaya daha uygun olabileceği tespit edilmiştir.

Anahtar Kelimeler

Bitüm, Agrega, Polimer, Bitümlü Sıcak Karışım, Marshall, Stabilite

Investigation of Marshall Stability Performance of Polymer Modified Hot Mix Asphalt Under İzmir Weather Conditions

Öz

In this study, the determination of binder based on Superpave method considering the weather condition of state of İzmir were investigated. In order to enhance high temperature performance grade (PG) of the binder, two different copolymer namely styrene-butadiene-styrene (SBS) elastomer and ethylene vinyl acetate (EVA) plastomer were employed. The physical properties of the original and polymer modified asphalt binders and Superpave-gradated aggregates, which are the main components of hot mix asphalt (HMA), were determined by means of multiple experiments. The optimum content of the original binder was determined by Marshall stability test. The comparison between the results that belong to two different polymer modified binders, it can be said that the mixtures with SBS additives is more suitable for using in flexible pavement roads of İzmir province.

Anahtar Kelimeler

Bitumen, Aggregate, Polymer, Hot Mix Asphalt, Marshall, Stability

Kaynakça

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