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Application of displacement-based design method to assess the level of structural damage due to blast loads

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Abstract

In this paper, a displacement-based design (DBD) methodology commonly used for seismic design and evaluation of structures is adopted to determine the performance of structures to blast loading. In this method, structural performance is linked to measurable quantities such as the displacement ductility. To verify the applicability of the method and the accuracy of the results, a simple structural shape, including a square steel plate, is subjected to out-of-plane blast loading with different explosive charge weights and stand-off distances. With the adaptation of the autodyn software, the above-mentioned examples in a similar condition are also subjected to blast loading. It is found that the results of the DBD method agree favorably with the results obtained from a numerical method. It is also shown that a good prediction of the damage level can be made for steel plates subjected to different charge weights and stand-off distances.

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Authors and Affiliations

  1. Department of Civil Engineering, Shiraz University, Shiraz, Iran

    Ramezan Ali Izadifard & Mahmoud Reza Maheri

Authors
  1. Ramezan Ali Izadifard
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  2. Mahmoud Reza Maheri
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Corresponding author

Correspondence to Ramezan Ali Izadifard.

Additional information

This paper was recommended for publication in revised form by Associate Editor Jeonghoon Yoo

R. A. Izadifard received his Ph.D. in Civil Engineering from Shiraz University. He is currently a faculty member of the Department of Civil Engineering, Imam Khomeini University, Iran. He is a member of several national committees on structural engineering codes of practice and construction. His current research interests are structural analysis and design under extreme loads, seismic analysis, and fluid-structure dynamic interaction.

Mahmoud R. Maheri received his Ph.D. in Civil Engineering from Bristol University, UK, in 1987. Professor Maheri is currently a faculty of the Civil Engineering department of Shiraz University, Iran. He is a core member of the Iranian Centre of Excellence in Computational Mechanics. He also serves on several national committees on structural and earthquake engineering codes of practice. Professor Maheri’s current research interests include seismic analysis and retrofitting of structures and fluid-structure dynamic interaction.

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Izadifard, R.A., Maheri, M.R. Application of displacement-based design method to assess the level of structural damage due to blast loads. J Mech Sci Technol 24, 649–655 (2010). https://doi.org/10.1007/s12206-009-1218-2

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  • DOI: https://doi.org/10.1007/s12206-009-1218-2

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