Research Article
EVA Bazlı Reçine Modifiyeli Bitümlü Karışımların Mekanik Özellikler Bakımından SBS Modifikasyonu ile Karşılaştırılması
Abstract
Yol esnek üstyapısında kullanılan bitümlü kaplama tabakaları trafiğin ve çevrenin etkilerine direk maruz kalan ve dolayısıyla mekanik özellikler bakımından oldukça sağlam olması gereken en üst tabakadır. Bitümlü sıcak karışım tabakalarının artan trafik yükü ve sayısına uzun süre deforme olmadan direnç gösterebilmesi için, yaygın bir şekilde karışımın içinde kullanılan bağlayıcı bitümlü malzeme, Stiren-Butadien-Stiren (SBS) polimer katkı maddesiyle modifiye edilmektedir. SBS’e olan talebin fazla olması, gerektiği zamanda temin edilmesini zorlaştırmakta ve dolayısıyla alternatif katkı maddelerinin kullanımı gündeme getirmektedir. Bu çalışmada Etilen-Vinyl-Acetate (EVA) bazlı reçinenin (EBR) bitümlü karışımlarda kullanılmalarının mekanik özelliklere etkisi araştırılmış ve SBS modifikasyonu ile performansı karşılaştırılmıştır. Saf ve modifiye karışımlara Marshall stabilite ve akma, indirek çekme mukavemeti, indirek çekme rijitlik modülü, indirek çekme tekrarlı yükleme ve dinamik sünme deneyleri uygulanmıştır. Sonuçta EBR modifikasyonunun saf karışımlardan önemli derecede daha iyi performans özelliklerine sahip olduğu ve SBS modifikasyonuna yakın bir performans gösterdiği tespit edilmiştir.
Keywords
References
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Year 2019,
Volume: 31 Issue: 2, 497 - 506, 27.09.2019
Abstract
References
- 1. Lav, A.H. and Lav, M.A. (2004). Shell bitüm el kitabı. İsfalt Bilimsel Yayınları, 3, 334s, İstanbul.
- 2. Francken, L. (1998). Bituminous binders and mixes. Rilem Reports, E&FN Spon, 352, London.
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- 5. Kumar, P., Chandra, S. and Bose, S. (2006). Strength characteristics of polymer modified mixes. International Journal of Pavement Engineering, 7(1): 63–71.
- 6. Tayfur, S., Özen, H. and Aksoy, A. (2007). Investigation of Rutting Performance of Asphalt Mixtures Containing Polymer Modifiers. Construction and Building Materials, 21(2), 328-337.
- 7. Kök, B.V., and Yılmaz, M. (2009). The effects of using lime and styrene–butadiene–styrene on moisture sensitivity resistance of hot mix asphalt. Construction and Building Materials, 23, 1999-2006.
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- 9. Cortizo, M.S., Larsen, D.O., Bianchetto, H. and Alessandrini., J.L. (2004). Effect of the thermal degradation of SBS copolymers during the ageing of modified asphalts. Polymer Degradation and Stability, 86, 275-282.
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- 13. Won, M.C. and Ho, 13. M.K. (1994). Effect of antistrip additives on the properties of polymer-modified asphalt binders and mixtures. Transportation Research Record, 1436, 108–1
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- 16. Kaloush, K.E and Witczak, M.W. (2002). J.Assoc.Asphalt Paving Technol. 71, 278.
- 17. Little, D.N., Button, J.W. and Youssef ,H. (1993). Transportation Research Board 1417, 49.
- 18. Feeley, A.J. (1994). UTM-5P, universal testing machine hardware reference manual, Industrial Process Controls Limited,,Boronia Australia.
There are 18 citations in total.
Details
| Primary Language | Turkish |
|---|---|
| Subjects | Engineering |
| Journal Section | MBD |
| Authors | |
| Publication Date | September 27, 2019 |
| Submission Date | April 29, 2019 |
| Published in Issue | Year 2019 Volume: 31 Issue: 2 |
