Journal
ENGINEERING STRUCTURES
Volume 61, Issue -, Pages 1-12Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.engstruct.2014.01.015
Keywords
Reinforced concrete; Ultra-high-performance-fiber-reinforced concrete; Columns; SDOF analysis; Blast loads; Load-impulse (P-I) diagrams
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Funding
- Defense Threat Reduction Agency (DTRA)
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A numerical study was used to study the response of a normal-strength concrete (NSC) column that was not design for blast resistance subjected to four levels of idealized blast loads. Then, to compare the behavior of the NSC column with a column made with ultra high performance fiber reinforced concrete (UHPFRC) that had the same dimensions and reinforcing details as the NSC column and subjected to the same loading conditions. The boundary conditions and the level of compressive axial load due to gravity were also considered in the analyses. The behavioral comparisons were made both in the time-history domain, as well as in the load-impulse (P-I) domain. Comparisons, observations, and conclusions are presented. (C) 2014 Elsevier Ltd. All rights reserved.
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