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Type: Journal article
Title: A new approach to derive normalized pressure impulse curves for elastic members
Author: Dragos, J.
Wu, C.
Citation: Journal of Earthquake and Tsunami, 2013; 7(3):1-15
Publisher: World Scientific Publishing Co Pte Ltd
Issue Date: 2013
ISSN: 1793-4311
Statement of
Jonathon Dragos and Chengqing Wu
Abstract: A pressure impulse (PI) diagram is a useful preliminary design tool for structural members against blasts. An extensive amount of investigation has been undertaken to generalize PI curves, using single degree of freedom (SDOF) theory, for elastic structural members. In this study, a new original approach also using SDOF theory, relying on the concept of effective pulse shape, is presented for determining a PI curve for any elastic member. The advantage of this approach is that it can be applied to any given type of blast load. The techniques and equations involved in this approach are outlined. Then, to assess the accuracy of this approach, elastic normalized PI curves generated using the new approach are compared against those obtained using the traditional methods. Finally, this approach is compared against other simplified techniques for determining elastic normalized PI curves.
Keywords: Blast load; pressure impulse curve; single degree of freedom (SDOF) model
Rights: Copyright status unknown
RMID: 0020134307
DOI: 10.1142/S1793431113500164
Appears in Collections:Civil and Environmental Engineering publications

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