Characterization of Cement Asphalt Mortar for Slab Track by Dynamic Mechanical Thermoanalysis

2016 ◽  
Vol 28 (3) ◽  
pp. 04015154 ◽  
Author(s):  
Qiang Yuan ◽  
Wentao Liu ◽  
Yunrui Pan ◽  
Dehua Deng ◽  
Zanqun Liu
Keyword(s):  
Slab Track ◽  
Dynamic Mechanical ◽  
Cement Asphalt Mortar ◽  
Asphalt Mortar

scholarly journals Experimental study of the gap between track slab and cement asphalt mortar layer in CRTS I slab track

2018 ◽  
Vol 26 (3) ◽  
pp. 173-178 ◽  
Author(s):  
Tao Wang ◽  
Hengqiong Jia ◽  
Zike Liu ◽  
Zhao Wei ◽  
Xiao Xie ◽  
...  
Keyword(s):  
Experimental Study ◽  
Slab Track ◽  
Cement Asphalt Mortar ◽  
Asphalt Mortar ◽  
Track Slab

Research on the Fatigue Behavior of Cement Asphalt Mortar Exposed to Water

2013 ◽  
Vol 687 ◽  
pp. 274-281
Author(s):  
Fa Zhou Wang ◽  
Jin Yang ◽  
Shu Guang Hu ◽  
Yun Hua Zhang ◽  
Yun Peng Liu
Keyword(s):  
Coupling Effect ◽  
Fatigue Behavior ◽  
Water Erosion ◽  
Slab Track ◽  
Effect Of Water ◽  
Cement Asphalt Mortar ◽  
Major Factors ◽  
Ca Mortar ◽  
Asphalt Mortar ◽  
Bonding Surface

Water erosion is one of the major factors for performance degradation of cement asphalt mortar (abbreviated to CA mortar, or CAM). In this paper, the influence of gap depth, coupling effect of water and pressure on the fatigue behavior of CA mortar was investigated. Results indicated that the damage of bonding surface became more seriously with the increase of gap depth, and when the gap depth was 19 to 38% of the structure size, the destruction exacerbated. Results also indicated that CA mortar was damaged more seriously under the coupling effect of water and pressure; the destruction first occurred on the surface between slab track and CA mortar rather than that between concrete roadbed and CA mortar. Timely repair with epoxy resin prevented the further water erosion well, and improved the service life of CA mortar.

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