International Journal of Advanced and Applied Sciences

Int. j. adv. appl. sci.

EISSN: 2313-3724

Print ISSN: 2313-626X

Volume 4, Issue 10  (October 2017), Pages:  165-174


Original Research Paper

Title: Rheological properties investigation of bitumen modified with nanosilica and polyethylene polymer

Author(s): Nura Bala *, Madzlan Napiah, Ibrahim Kamaruddin, Nasiru Danlami

Affiliation(s):

Department of Civil and Environmental Engineering, Universiti Teknologi PETRONAS, 32610 Bandar Seri Iskandar, Perak, Malaysia

https://doi.org/10.21833/ijaas.2017.010.023

Full Text - PDF          XML

Abstract:

Performance of bituminous binders in terms of rutting and fatique is known to be related with rheological characteristics of asphalt binders. To enhance the rheological properties of binder, a modification using composite polymer and inorganic nanosilica becomes recognized as it highly improves the flow and deformation of the modified binders. This study investigates the application of polyethylene polymer and inorganic nanosilica for enhancing rheological properties as well as the oxidative aging resistance of asphalt binders. Conventional and Superpave binder test techniques. Using dynamic shear rheometer (DSR) was used to investigate the performance and rheological behaviors of the nanocomposite-modified binders. Changes in chemical bonding and morphological properties due to nanosilica were also investigated using Fourier transform infrared spectroscopy (FT-IR) and field emission scanning electron microscopy (FE-SEM). Nanosilica was added into polymer modified bitumen at different percentages (1% to 6%) by weight of bitumen binder. Results of the investigations show that composite nanosilica/polyethylene modified binders will not undergo phase separation during storage due to improved viscoelastic properties. The Superpave rutting parameter shows that nanosilica modified binders have higher resistance to permanent deformation both before and after rolling thin film oven (RTFOT) aging. FE-SEM and FT-IR investigation shows that nanosilica modified binders are less susceptible to oxidative aging hardening. 

© 2017 The Authors. Published by IASE.

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

Keywords: Nanosilica, Polyethylene, Storage stability, Rheology, Aging

Article History: Received 29 June 2017, Received in revised form 11 September 2017, Accepted 12 September 2017

Digital Object Identifier: 

https://doi.org/10.21833/ijaas.2017.010.023

Citation:

Bala N, Napiah M, Kamaruddin I, and Danlami N (2017). Rheological properties investigation of bitumen modified with nanosilica and polyethylene polymer. International Journal of Advanced and Applied Sciences, 4(10): 165-174

Permanent Link:

http://www.science-gate.com/IJAAS/V4I10/Bala.html


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