The Effects of Temperature on the Stiffness Modulus of Dense Graded Asphalt Mixtures

Abstract:

This study aimed to investigate the effect of temperature on stiffness modulus of asphaltic concrete. The asphaltic concrete mixture were prepared based on Marshall Mix Design method using two different types of bitumen, the 80/100 penetration grade bitumen (80/100 PGB) and Styrene-Butadiene-Styrene (SBS), both with five percent bitumen content. Indirect Tensile Stiffness Modulus (ITSM) test of 1000 N loading was then performed at three different temperatures (25 °C, 30 °C and 40 °C). The results showed that stiffness modulus decreases with increases in temperature for both 80/100 PGB and SBS, which shows the important role of temperature to stiffness modulus of asphaltic concrete. Also, the results showed a higher stiffness modulus for SBS mixtures compare to that of 80/100 PGB mixtures.

• Periodical: Applied Mechanics and Materials (Volumes 423-426)
• Pages: 997-1000
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.423-426.997
• Online since: September 2013
• Authors: Abdullahi Ali Mohamed, Kwong Yiing Ting, Wee Kang Choong, Boon Hoe Goh
• Keywords: Asphaltic Concrete, Resilient Modulus, Stiffness Modulus, Temperature

References

[1] A. A. Mohamed: A study on the physical and mechanical properties of asphaltic concrete incorporating crumb rubber produced through dry process (2007).

[2] JKR: Manual on Pavement Design. Ibu Pejabat JKR, Malaysia, page. 1-29 (1988).

[3] Shell: Guidelines for Supply, Storage and Handling of Shell Bitumen 80/100, page 1-4.

[4] Shell: Guidelines for Supply, Storage and Handling of Shell Cariphalte Fuelsafe PG76, page 1-5.

[5] M. O. Hamzah, RamadHansyah P. J., Prasetijo J., Khairun A: Effects of Temperature and Binder Type on the Dynamic Creep of Asphaltic Concrete Incorporating Geomatrically Cubical Aggregates Subjected to Ageing. Modern Applied Science Vol. 3(7), page 3-14 (2009).

DOI: 10.5539/mas.v3n7p3

[6] M.A. Kamal, Yasin B., Shazib F.: Resilient Behavior of asphalt concrete under repeated loading & effect of temperature. Journal of the Eastern Asia Society for Transportation Studies, Vol. 6, page 1329–1343 (2003).

[7] W.Y. Ping and Xiao Y.: Evaluation of SBS Polymer Binder Effect on Resilient Modulus Properties of Florida HMA Mixtures. 24th OCTPA Annual Conference and NACGEAI International Symposium on Geo-Trans, page 1-8 (2001).

[8] B. Hamid, Hassan Z., Shams N.: The use of Polymer Modification of Bitumen for Durant Hot Asphalt Mixtures. Journal of Applied Sciences Research Vol. 4(1), page 96-102 (2008).