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- W2394220785 abstract "In order to investigate the anti-explosion behavior of a tunnel lining structure under internal blast loading,using the commercial hydrocode AUTODYN,a 3-D coupling system model including explosive,air,lining structure,surrounding rock and soil was established,the sophisticated concrete model considering strain rate effects and the appropriate coupling on air-solid interfaces were used to simulate the dynamic response and damage process of a tunnel lining structure under internal blast loading. Comparative analyses were conducted for the anti-explosion behavior of the tunnel lining structure with different explosive charge,reinforcement ratios of lining structure and geological conditions. The results showed that the blast loading inside the tunnel has a certain level of oscillation and it attenuates with different laws in longitudinal direction and in radial one; the damages of the lining structure mainly focus on bottom plates, connection parts between bottom plates and vertical walls and those between vertical walls and arc ribs; the higher the reinforcement ratio of the lining structure and the better the quality of surrounding rock,then the lower the damage level of the lining structure,and the better the overall anti-explosion behavior of the tunnel." @default.
- W2394220785 created "2016-06-24" @default.
- W2394220785 creator A5082155378 @default.
- W2394220785 date "2013-01-01" @default.
- W2394220785 modified "2023-09-22" @default.
- W2394220785 title "Damage mechanism and anti-explosion behavior of tunnel lining structures under internal blast loading" @default.
- W2394220785 hasPublicationYear "2013" @default.
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