Cement Asphalt Mortar (CAM) layer is the key to the structure of slab track in the high-speed railways. In the running of high-speed railways, the CAM layer must bear the action of temperature change, initial defects and trains loading, it will lead to the degradation of CAM. This paper designed the experiments to study its mechanical property under confining pressure or water erosion, tensile property, fatigue property, interface stress of CAM and concrete roadbed; it will help us to establish the failure criterion and degradation model of CAM layer. Preliminary experiment chose three confining pressures to study the mechanical property of CAM; the results indicate that peak stress and ductility of CAM greatly increase with increase of confining pressure.
Experimental Design about Degradation Mechanism of CAM and Preliminary Experiment Results
2013
5 Seiten
Aufsatz (Konferenz)
Englisch
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