Creep deformation characteristics of modified asphalt and porous asphalt mixture using TPS additive

Tingwei Cao; Shaopeng Wu; Qunshan Ye; Xu Huang

doi:10.1117/12.839381

25 August 2009 Creep deformation characteristics of modified asphalt and porous asphalt mixture using TPS additive

Tingwei Cao, Shaopeng Wu, Qunshan Ye, Xu Huang

Proceedings Volume 7375, ICEM 2008: International Conference on Experimental Mechanics 2008; 73756I (2009) https://doi.org/10.1117/12.839381
Event: International Conference on Experimental Mechanics 2008 and Seventh Asian Conference on Experimental Mechanics, 2008, Nanjing, China

Abstract

Creep deformation characteristics of Tafpack Super (TPS) modified asphalt binders and porous asphalt mixtures were investigated in this paper. Dynamic Shear Rheometer (DSR) was chosen to conduct the shear creep test at 20 over a wide range of shear stress to determine the relation between shear creep rate, modulus and TPS modifier percents. Unconfined static uniaxial creep tests were carried out to study the relation between compressive creep strain, stiffness modulus and TPS percents in porous asphalt mixture. Test results indicate that the shear creep rate of asphalt binders can be decreased and the shear creep modulus can be increased by the TPS additives. Furthermore, the creep deformation is decreased and the creep stiffness modulus is increased for porous asphalt mixtures containing TPS additives. The difference results from TPS modified asphalt and porous asphalt mixture using TPS additive indicated that the use of TPS as an additive in porous asphalt mixture may decrease the mechanical properties compared with its effect on asphalt as a modifier.

Citation Download Citation

Tingwei Cao, Shaopeng Wu, Qunshan Ye, and Xu Huang "Creep deformation characteristics of modified asphalt and porous asphalt mixture using TPS additive", Proc. SPIE 7375, ICEM 2008: International Conference on Experimental Mechanics 2008, 73756I (25 August 2009); https://doi.org/10.1117/12.839381

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available