INVESTIGATING THE UTILITY OF SISAL IN HOT MIX ASPHALT AS A FIBER
Abstract
Hot mix asphalt (HMA) is very common as a highway construction material. Although investment costs are lower than other pavements, HMA needs maintenance and rehabilitation (M&R) more often because of environmental conditions. The time needed for M&R can be extended by using fibers in the mixture. In this study, utility of sisal (Agave Sisalana) plants’ fibers are investigated in HMA. Initially, optimum bitumen content according to best aggregate gradation is determined using Superpave volumetric mix design process. Then, fiber is prepared as short (~3 cm) and long (15 – 100 cm) pieces. Prepared fibers are added into HMA mixtures at different ratios (1, 2 and 3‰ by weight of mixture) based on optimum bitumen content. 1‰ short sisal fiber added specimen gave the best unconditioned indirect tensile strength values, and also long fibers gave best tensile strength ratios.
Keywords
References
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Details
Primary Language
English
Subjects
Civil Engineering
Journal Section
Research Article
Authors
Ekinhan Erişkin
0000-0002-0087-0933
Türkiye
Mehmet Saltan
0000-0001-6221-4918
Türkiye
Serdal Terzi
0000-0002-4776-824X
Türkiye
Onur Sarıoğlu
0000-0001-6754-7105
Türkiye
Publication Date
December 19, 2019
Submission Date
April 13, 2019
Acceptance Date
July 16, 2019
Published in Issue
Year 2019 Volume: 7 Number: 4
Cited By
The Possibility of Minimizing Rutting Distress in Asphalt Concrete Wearing Course
Engineering, Technology & Applied Science Research
https://doi.org/10.48084/etasr.4669