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A platform for research: civil engineering, architecture and urbanism
Fatigue Property Analysis of Modified Asphalt Emulsion-Cement Cold Recycling Mixtures
The fatigue property of rectangular section beam for semi-flexible cold recycling mixtures has been analyzed basing on damage-fracture mechanics principles. Fatigue models of rectangular section beam have been put forward respectively, which includes both macroscopic cracks appearance and propagation process. Then parameters for fatigue models have been determined by the standard test for determining fatigue failure of compacted asphalt concrete subjected to repeated flexural bending. Finally, a fatigue life estimate formula of rectangular section beam is proposed by using mathematical decoupling method. Results indicate that the fatigue damage process play an important role in the whole fatigue process. Also, damage-fracture mechanics principles and methods are suitable for estimating the fatigue property of modified asphalt emulsion-cement cold recycling mixtures, which has a definite guiding purpose for projects.
Fatigue Property Analysis of Modified Asphalt Emulsion-Cement Cold Recycling Mixtures
The fatigue property of rectangular section beam for semi-flexible cold recycling mixtures has been analyzed basing on damage-fracture mechanics principles. Fatigue models of rectangular section beam have been put forward respectively, which includes both macroscopic cracks appearance and propagation process. Then parameters for fatigue models have been determined by the standard test for determining fatigue failure of compacted asphalt concrete subjected to repeated flexural bending. Finally, a fatigue life estimate formula of rectangular section beam is proposed by using mathematical decoupling method. Results indicate that the fatigue damage process play an important role in the whole fatigue process. Also, damage-fracture mechanics principles and methods are suitable for estimating the fatigue property of modified asphalt emulsion-cement cold recycling mixtures, which has a definite guiding purpose for projects.
Fatigue Property Analysis of Modified Asphalt Emulsion-Cement Cold Recycling Mixtures
Guo, Yin-Tao (author) / Liu, Zhen-qing (author) / Liu, Qing-Quan (author)
2012
7 Seiten
Conference paper
English
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