Dynamic Mechanical Analysis of CRTS II Cement Asphalt Mortar

Abstract:

Cement asphalt mortar (CA mortar) is one of key structures of slab ballastless high-speed railway. Cement and asphalt emulsion are the main two components of CA mortar, making it possess the viscoelastic properties of viscoelastic materials, which is one of the infancy of the current study. In this paper, DMA method was adopted to investigate the viscoelastic properties of CRTS II CA mortar. Viscoelastic properties of CA mortar at different temperatures were investigated and were compared with the numerical simulation results of Burgers model. The results of the simulation fit in well with the data from the experimental-scale column, so we can study the dynamic modulus of CA mortar using the Burgers model in the temperature range of CA mortar.

• Periodical: Applied Mechanics and Materials (Volumes 584-586)
• Pages: 1646-1651
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.584-586.1646
• Online since: July 2014
• Authors: Hua Yang Zhang, Long Hua Yuan*, De Wei Ren
• Keywords: Burgers Model, CA Mortar, DMA, Viscoelastic Properties

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