Dynamic Accumulation Damage Characteristics of Initial Cracks for the Lining of High-Speed Railway’s Tunnel

Xiang Qiu Wang; Bin Cai

doi:10.4028/www.scientific.net/AMM.580-583.1311

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 580-583Dynamic Accumulation Damage Characteristics of...

Dynamic Accumulation Damage Characteristics of Initial Cracks for the Lining of High-Speed Railway’s Tunnel

Abstract:

After have been analysed the initial dynamic cumulative damage mechanism of lining structure of the high speed railway tunnel,the conclusions have been gained that, under the effect of the long-term vibrating load of high speed train, When the damage energy accumulation reached a limit values, the damage zone caused by the initial crack which has been existed in the tunnel lining will be expansed further more. for the more, based on the accumulation damage theory linear elasticity and the analysis method dynamic finite element, The extension characters and calculation method of initail crack in the tunnel lining structures for the high railway have been proposed.

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Periodical:

Applied Mechanics and Materials (Volumes 580-583)

Pages:

1311-1314

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.580-583.1311

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Online since:

July 2014

Authors:

Xiang Qiu Wang, Bin Cai

Keywords:

Initial Damage of Lining Structure, Mechanism of Cumulative Damage, Theory of Linear Elastic Damage, Tunnel of High Railway

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