Blast analysis of concrete arch structures for FRP retrofitting design

Jin Won Nam, Ho Jin Kim, Na Hyun Yi, In Soon Kim, Jang Ho Jay Kim, Hyung Jin Choi

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)


Fiber Reinforced Polymer (FRP) is widely used for retrofitting concrete structures for various purposes. Especially, for the retrofitting of concrete structures subjected to blast loads, FRP is proven to be a very effective retrofitting material. However, a systematic design procedure to implement FRP for concrete structure retrofitting against blast loads does not exist currently. In addition, in case of concrete structures with inarticulate geometrical boundary conditions such as arch structures, an effective analysis technique is needed to obtain reliable results based on minimal analytical assumptions. Therefore, in this study, a systematic and efficient blast analysis procedure for FRP retrofitting design of concrete arch structure is suggested. The procedure is composed of three sequential parts of preliminary analysis, breach and debris analysis, and retrofit-material analysis. Based on the suggested procedure, blast analyses are carried out by using explicit code, LS-DYNA. The study results are discussed in detail.

Original languageEnglish
Pages (from-to)305-318
Number of pages14
JournalComputers and Concrete
Issue number4
Publication statusPublished - 2009 Aug

All Science Journal Classification (ASJC) codes

  • Computational Mechanics


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