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Advances in Concrete Construction Volume 5, Number 5, October 2017 , pages 493-512 DOI: https://doi.org/10.12989/acc.2017.5.5.493 |
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Numerically and empirically determination of blasting response of a RC retaining wall under TNT explosive |
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Ahmet Tugrul Toy and Baris Sevim
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| Abstract | ||
| Blast loads may considerably affect the response of structures. In previous years, before computer analysis programs, the parameters of blast effects were calculated with empirical methods, consequently some researchers had proposed equations to find out the phenomenon. In recent year\'s computer analysis programs have developed already, so detailed solutions can be made numerically. This paper describes the blasting response of the structures using numerical and empirical methods. For the purpose, a reinforced concrete retaining wall is modelled using ANSYS Workbench software, and the model is imported to ANSYS AUTODYN software to perform explicit analyses. In AUTDYN software, a sum of TNT explosive is defined 5,5 m away from the wall and solution is done. Numerical results are compared with those of obtained from empirical equations. Similar study is also considered for equal explosive which is the 4 m away from the wall. The results are represented by graphics and contour diagrams of such as displacements and pressures. The results showed that distance of explosive away from the wall is highly affected the structural response of it. | ||
| Key Words | ||
| blasting response; explicit analysis; numerical and empirical methods; RC retaining wall; TNT explosive | ||
| Address | ||
| Ahmet Tugrul Toy and Baris Sevim: Department of Civil Engineering, Yildiz Technical University, 34220, İstanbul, Turkey | ||
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