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M.Tech / M.E / PhD Thesis | Civil Engineering | India | Volume 5 Issue 6, June 2016 | Popularity: 6.8 / 10

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Design and Analysis of HPFRCC Blast Resistant Structures

Geethu Elsa Thomas, Sithara.S

Abstract: In the past few years, the increase in the number of terrorist attacks has shown that the effect of blast loads on buildings is a serious matter that should be taken into design consideration. These man-made disasters has created a challenge to structural engineers world over about the deficiency in the design process. Blast loads are extreme, instaneous, unpredictive impulses acting over milliseconds. Due to this nature of blast loads, it is complicated to analyse the dynamic responses of the structures. Usage of advanced engineering materials for construction can solve these structural problems to an extent. This paper presents the design and analysis of an underground blast resistant shelter made up of high performance fiber reinforced cementitious composites (HPFRCC). This research focuses on an alternative section of cylindrical module of the shelter. The dynamic behavior of module under blast load is studied in finite element software Abaqus CAE 6.12. It is observed that the material stress-strain behavior is greatly influenced by strain rates of loadings. Shelter manually designed using codes in limit state method is verified with the analytical analysis.

Keywords: blast loads, dynamic responses, high performance fiber reinforced cementitious composites, strain rate etc

Edition: Volume 5 Issue 6, June 2016

Pages: 409 - 414

DOI: https://www.doi.org/10.21275/NOV164005

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