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Influence of Foam Liner on Tunnels Subjected to Internal Blast Loading

  • Yuzhen HanEmail author
  • Xiuren Yang
  • Jingfeng Ni
Conference paper
  • 18 Downloads
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 617)

Abstract

The tunnels face terrorist attacks which will cause huge economic and social losses. To study the influence of geofoam liner on circular cast-iron tunnels in saturated soil subjected to internal blast loading, a new approach was introduced to simulate blast loading with LS-DYNA. The results showed that the geofoam liner could reduce the damage and provide protections to the lining due to small blast loading. Geofoam liner could be used as an effective mitigation method for tunnels.

Keywords

Foam liner Underground structures Blast loading Soil-tunnel interaction 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  1. 1.Beijing Urban Construction Design & Development Group Co., LimitedXicheng District, BeijingChina
  2. 2.National Engineering Laboratory for Green & Safe Construction Technology in Urban Rail TransitBeijingChina
  3. 3.School of Civil EngineeringBeijing Jiaotong UniversityBeijingChina
  4. 4.Changchun Railway Traffic Group Co., LTDChangchunChina

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